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Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man presents to the emergency department for evaluation of a 2-year history of increasing shortness of breath. He also has an occasional nonproductive cough. The symptoms get worse with exertion. The medical history is significant for hypertension and he takes chlorthalidone. He is a smoker ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 61-year-old woman comes to the physician because of a 6-month history of left knee pain and stiffness. Examination of the left knee shows tenderness to palpation along the joint line; there is crepitus with full flexion and extension. An x-ray of the knee shows osteophytes with joint-space narrowing. Ar... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old woman presents to a physician’s clinic for a diabetes follow-up. She recently lost weight and believes the diabetes is ‘winding down’ because the urinary frequency has slowed down compared to when her diabetes was "at its worst". She had been poorly compliant with medications, but she is now... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old man presents to the emergency department for altered mental status. The patient is a member of a retirement community and was found to have a depressed mental status when compared to his baseline. The patient has a past medical history of Alzheimer dementia and diabetes mellitus that is curr... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old man with type 2 diabetes mellitus comes to the emergency department because of a 2-day history of dysphagia and swelling in the neck and lower jaw. He has had tooth pain on the left side over the past week, which has made it difficult for him to sleep. Four weeks ago, he had a 3-day episode ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 19-year-old man is brought to the emergency department by his girlfriend after briefly losing consciousness. He passed out while moving furniture into her apartment. She said that he was unresponsive for a minute but regained consciousness and was not confused. The patient did not hav... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old woman comes to the emergency department because of a 1-hour history of severe pelvic pain and nausea. She was diagnosed with a follicular cyst in the left ovary 3 months ago. The cyst was found incidentally during a fertility evaluation. A pelvic ultrasound with Doppler flow shows an enlarge... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old unresponsive man is admitted to the emergency department after a single-vehicle roll-over accident. On primary assessment by paramedics, he was unresponsive. On admission, he opened his eyes to painful stimuli, was not responsive to verbal commands, his arms were flexed and the legs were str... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old male is brought to the emergency department by ambulance after a motor vehicle collision. He is found to have a broken femur and multiple soft tissue injuries and is admitted to the hospital. During the hospital course, he is found to have lower extremity swelling, redness, and pain, so he i... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old male college student is brought to the emergency department by his girlfriend complaining of intense pain. They had been playing outside in the snow when the patient started to have severe hand and feet pain. He says the pain is 9 out of 10 and causing him to have trouble moving his fingers ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old woman comes to the physician because of a 3-month history of a painless ulcer on the sole of her right foot. There is no history of trauma. She has been dressing the ulcer once daily at home with gauze. She has a 15-year history of poorly-controlled type 1 diabetes mellitus and hypertension.... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-year-old boy is brought to the office due to exertional dyspnea and fatigability. He tires easily when walking or playing. His parents say that he was diagnosed with a congenital heart disease during his infancy, but they refused any treatment. They do not remember much about his diagnosis. The patien... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old teenager presents to the pediatrician with his mother. After she leaves the room he tells the physician that he is worried about puberty. All of his friends have had growth spurts, started building muscle mass, and their voices have changed while he still feels underdeveloped. The physician ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man is brought to the physician by his wife for increased forgetfulness and unsteady gait over the past 3 months. He is a journalist and has had difficulty concentrating on his writing. He also complains of urinary urgency recently. His temperature is 36.8°C (98.2°F) and blood pressure is 13... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old woman presents with worsening pain in her neck for the past 5 days. She says she is not able to wear her tie for her evening job because is it too painful. She also reports associated anxiety, palpitations, and lethargy for the past 10 days. Past medical history is significant for a recent 3... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man with atrial fibrillation comes to the emergency department with acute-onset severe upper abdominal pain. He takes no medications. He is severely hypotensive. Despite maximal resuscitation efforts, he dies. Autopsy shows necrosis of the proximal portion of the greater curvature of the sto... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old woman was referred to a specialist for dysphagia and weight loss. She has a history of difficulty swallowing solid foods, which has become worse over the past year. She has unintentionally lost 2.3 kg (5 lb). A previous gastroscopy showed mild gastritis with a positive culture for Helicobact... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old man presents to his primary care provider for an ulcerating skin lesion on his leg for the past week. He says that the week prior he slipped while hiking and scraped his left leg. Over the course of the next week, he noticed redness and swelling of the scraped area and the development of a n... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old man presents with a darkening of the skin on his neck over the past month. Past medical history is significant for primary hypothyroidism treated with levothyroxine. His vital signs include: blood pressure 130/80 mm Hg, pulse 84/min, respiratory rate 18/min, temperature 36.8°C (98.2°F). His ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old woman is brought to the emergency department after she was involved in a high-speed motor vehicle collision. She reports severe pelvic pain. Her pulse is 124/min and blood pressure is 80/56 mm Hg. Physical examination shows instability of the pelvic ring. As part of the initial emergency tre... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man with a 15-pack-year smoking history is referred for pulmonary function testing. On physical exam, he appears barrel-chested and mildly overweight, but breathes normally. Which of the following tests will most accurately measure his total lung capacity? ---- <<Choices:>> A) Open-circuit n... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old man is brought to the emergency department after being involved in a motor vehicle accident as an unrestrained driver. He was initially found unconscious at the scene but, after a few minutes, he regained consciousness. He says he is having difficulty breathing and has right-sided pleuritic ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old man is brought to the emergency department by the police after starting a fight at a local bar. He has several minor bruises and he appears agitated. He talks incessantly about his future plans. He reports that he has no history of disease and that he is "super healthy" and "never felt bette... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A young couple expecting their first child present to the obstetrician for routine follow up at 16 weeks gestation. The father suffers from Leber hereditary optic neuropathy and wants to know if is possible that he has passed down the disease to his unborn daughter. The correct response is: ---- <<Choices... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old homeless man with a history of hospitalization for alcohol intoxication is brought in confused. His serum glucose is 39mg/dl. Which of the following is likely true? ---- <<Choices:>> A) He has also been using cocaine B) He has decreased activity of alcohol dehydrogenase C) Hepatic gluconeoge... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old man is brought to the physician for the evaluation of severe nosebleeds and two episodes of bloody vomit over the past 40 minutes. He reports that he has had recurrent nosebleeds almost daily for the last 3 weeks. The nosebleeds last between 30 and 40 minutes. He appears pale. His temperatur... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old man comes to the physician for his annual health maintenance examination. The patient feels well. He has a history of hypertension, for which he currently takes lisinopril. He has smoked a pack of cigarettes daily for 20 years. He drinks 5–6 beers on weekends. He is 181 cm tall (5 ft 11 in),... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man presents to the emergency department because of difficulty breathing and chest tightness for the last 3 days. He also has a productive cough with excessive amounts of green sputum. He has had chronic obstructive pulmonary disease for the past 10 years, but says that the cough and sputum ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man presents with low-grade fever and malaise for the last 4 months. He also says he has lost 9 kg (20 lb) during this period and suffers from extreme fatigue. Past medical history is significant for a mitral valve replacement 5 years ago. His temperature is 38.1°C (100.6°F), respirations ar... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man comes to the physician with a 3-month history of headache, periodic loss of vision, and easy bruising. Physical examination shows splenomegaly. His hemoglobin concentration is 13.8 g/dL, leukocyte count is 8000/mm3, and platelet count is 995,000/mm3. Bone marrow biopsy shows markedly inc... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 71-year-old man presents to the emergency department with severe substernal chest pain. An initial EKG demonstrates ST elevation in leads V2, V3, V4, and V5 with reciprocal changes. The patient is started on aspirin and heparin and is transferred to the cardiac catheterization lab. The patient recovers ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old African American man presents to the emergency department with central chest pressure. His symptoms started the day before. The pain was initially intermittent in nature but has become constant and radiates to his jaw and left shoulder. He also complains of some difficulty breathing. The pat... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old African American man presents to a primary care physician for a routine checkup as a new patient. The patient states that he has been doing well lately and recently was promoted at his job. He states that 2 weeks ago he went to the ED for severe pain and was treated with morphine and oral fl... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man comes to the physician for a routine health maintenance examination. He feels well. He underwent appendectomy at the age of 25 years. He has a history of hypercholesterolemia that is well controlled with atorvastatin. He is an avid marathon runner and runs 8 miles per day four times a we... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man comes to the emergency department because of severe pain in his right leg that began suddenly 3 hours ago. He has had repeated cramping in his right calf while walking for the past 4 months, but it has never been this severe. He has type 2 diabetes mellitus, hypercholesterolemia, and hyp... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old G2P1 woman is diagnosed with an HIV infection after undergoing routine prenatal blood work testing. Her estimated gestational age by first-trimester ultrasound is 12 weeks. Her CD4 count is 150 cells/mm^3 and her viral load is 126,000 copies/mL. She denies experiencing any symptoms of HIV in... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old boy presents to the emergency department after a skateboarding accident. He fell on a broken bottle and received a 4 cm wound on the dorsal aspect of his left hand. His vitals are stable and he was evaluated by the surgeon on call who determined to suture was not required. After several week... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old female with a 3-year history of biliary colic presents with acute cholecystitis. After further evaluation, she undergoes a laparoscopic cholecystectomy without complication. Which of the following is true following this procedure? ---- <<Choices:>> A) Lipid absorption is decreased B) Lipid a... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old man with type 2 diabetes mellitus comes to the physician for a follow-up examination. Three months ago, the patient was started on metformin therapy after counseling on diet, exercise, and weight reduction failed to reduce his hyperglycemia. Physical examination shows no abnormalities. His h... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man presents to the emergency department with pleuritic chest pain. He recently returned from a vacation in Germany and noticed he felt short of breath and had chest pain the following morning. The patient is generally healthy but did have surgery on his ankle 3 weeks ago and has been less a... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old man presents to the emergency room for epistaxis. He reports having frequent nosebleeds over the past 48 hours. He also reports a constant pounding headache over the same timeframe. He is accompanied by his wife who reports that he has seemed “off” lately, frequently forgetting recent events... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man comes to his primary care physician for a routine health maintenance examination. He takes no medications. Physical examination and laboratory studies show no abnormalities. Compared to a healthy adolescent, this patient is most likely to have which of the following changes in immune fun... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Two hours after undergoing elective cholecystectomy with general anesthesia, a 41-year-old woman is evaluated for decreased mental status. BMI is 36.6 kg/m2. Respirations are 18/min and blood pressure is 126/73 mm Hg. Physical examination shows the endotracheal tube in normal position. She does not respon... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old woman presents with a 2-week history of fever, fatigue, generalized weakness, and bleeding gums. Past medical history is significant for type 2 diabetes mellitus, managed with metformin. The patient is afebrile, and her vitals are within normal limits. On physical examination, she has bilate... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man comes to the physician because of severe left knee pain and swelling. He has hypercholesterolemia and hypertension. Current medications include pravastatin and captopril. He eats a low-fat diet that includes fish and leafy green vegetables. He drinks 4–6 cups of coffee daily. He has smok... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 69-year-old man is brought to the emergency department by his wife because of fever, cough, diarrhea, and confusion for 2 days. He recently returned from a cruise to the Caribbean. He has a history of chronic obstructive pulmonary disease. He has smoked one pack of cigarettes daily for 40 years. His tem... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old male visits his primary care physician because of progressive weight loss. He has a 20-year history of smoking 2 packs of cigarettes a day and was diagnosed with diabetes mellitus 6 years ago. After physical examination, the physician tells the patient he suspects adenocarcinoma at the head ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old woman is brought to the emergency department by police because of confusion and agitation. Her medical record indicates that she has peptic ulcer disease that is treated with omeprazole. The patient's brother arrives shortly after. He reports that she drinks around 17 oz. of vodka daily. Neu... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old girl presents to her pediatrician for a wellness visit. She currently feels well but is concerned that she has not experienced menarche. She reports to recently developing headaches and describes them as pulsating, occurring on the left side of her head, associated with nausea, and relieved ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man presents to his physician after his routine screening revealed that he has elevated liver enzymes. He complains of occasional headaches during the past year, but otherwise feels well. The patient reports that he was involved in a serious car accident in the 1980s. He does not smoke or dr... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> Four days after being admitted to the hospital for widespread second-degree burns over his arms and thorax, a 29-year-old man develops a fever and wound discharge. His temperature is 38.8°C (101.8°F). Examination shows a discolored burn eschar with edema and redness of the surrounding skin. The wounds hav... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 73-year-old woman recently diagnosed with colonic adenocarcinoma comes to the physician because of a 1-week history of nausea and multiple episodes of vomiting. These symptoms started shortly after her first infusion of oxaliplatin and fluorouracil. The patient is started on an appropriate medication. T... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 11-year-old girl comes to the physician for evaluation of recurrent nosebleeds since childhood. She has multiple, small dilated capillaries on the lips, nose, and fingers on exam. Her father has a similar history of recurrent nosebleeds. Which of the following conditions is this patient at increased ris... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old boy is brought to the emergency department after being tackled at a football game. Per his mom, he is the quarterback of his team and was head-butted in the left shoulder region by the opposing team. Shortly after, the mother noticed that his left arm was hanging by his torso and his hand wa... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old man comes to the physician because of a 4-day history of abdominal pain and vomiting. Initially, the vomitus was food that he had recently eaten, but it is now bilious. He has had similar complaints several times in the past 6 years. He has smoked 1 pack of cigarettes daily for the past 25 y... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old woman is brought to the emergency department because of severe abdominal pain and vomiting for 3 hours. She had previous episodes of abdominal pain that lasted for 10–15 minutes and resolved with antacids. She lives with her daughter and grandchildren. She divorced her husband last year. She... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-year-old boy is brought to the physician by his mother because he has become increasingly pale over the past several months. He has otherwise been healthy. Apart from his maternal grandfather, who had a blood disorder and required frequent blood transfusions since birth, the rest of his family, includ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old man presents to an outpatient psychiatrist with chief complaints of fatigue and “hearing voices.” He describes multiple voices which sometimes call his name or say nonsensical things to him before he falls asleep at night. He occasionally awakes to see “strange people” in his room, which fri... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man was brought into the emergency department unconscious 2 days ago. His friends who were with him at that time say he collapsed on the street. Upon arrival to the ED, he had a generalized tonic seizure. At that time, he was intubated and is being treated with diazepam and phenytoin. A nonc... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old woman comes to the office because of a 2-year history of upper and lower extremity weakness and neck pain that is worse with sneezing. She has had difficulty swallowing and speaking for the past 8 months. Musculoskeletal examination shows spasticity and decreased muscle strength in all extre... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 20-year-old man is brought to the emergency room for evaluation of a back injury sustained while at work. A CT scan of the lumbar spine shows an incidental 2-cm mass adjacent to the inferior vena cava. Histologic examination of a biopsy specimen of the mass shows clusters of chromaffin cells. This mass ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-week-old infant that was birthed at home is rushed to the emergency room by his parents. His parents are recent immigrants who do not speak English. Through a translator, the child's parents say that during play with the infant, the infant's body became rigid and his mouth 'locked up'. The child likel... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old male presents to his primary care physician with complaints of fatigue and occasionally darkened urine over the past 3 months. Upon further questioning, the patient reveals that he has regularly had dark, 'cola-colored' urine when he has urinated at night or early in the morning. However, wh... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old man presents to the emergency department with complaints of substernal chest pain for the past 1 hour. The pain is crushing in nature and radiates to his neck and left arm. He rates the pain as 7/10. He gives a history of similar episodes in the past that resolved with rest. He is a non-smok... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old woman presents with abdominal pain and diarrhea for the last week. She has missed 3 days of school and is extremely stressed about the effect of this absence on her academic performance. She has had a couple of similar though less intense episodes in the past. She says that the diarrhea alte... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old woman undergoes an operation for a long-term toxic multinodular goiter. 13 hours after the procedure, she complains of tingling around her lips and difficulty breathing. While measuring her blood pressure, her hand turned as seen in the picture. On physical examination, she looks anxious and... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man with history of heart failure with preserved ejection fraction (HFpEF) and COPD presents to his cardiologist for a right heart catheterization procedure after a recent echocardiogram revealed pulmonary artery pressure (PAP) of 55 mmHg. Intraoperative administration of intravenous adenosi... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old male presents to the emergency department with fever, malaise, and shortness of breath for 1 week. Further history reveals that the patient experiences swelling in his face in the morning that disappears as the day progresses. Physical exam reveals hepatosplenomegaly. A complete blood count ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man presents to his physician with dark urine and intermittent flank pain. He has no significant past medical history and generally is healthy. His temperature is 97.5°F (36.4°C), blood pressure is 182/112 mmHg, pulse is 85/min, respirations are 15/min, and oxygen saturation is 98% on room a... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old boy is brought to the physician because of the rash shown in the picture for 2 days. Her mother says that the rash initially appeared on his face and neck. He has had fever, cough, and poor appetite for 5 days. The boy’s family recently immigrated from Asia and is unable to provide his vaccin... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old boy is sent from gym class with a chief complaint of severe muscle aches. In class today he was competing with his friends and therefore engaged in weightlifting for the first time. A few hours later he was extremely sore and found that his urine was red when he went to urinate. This concern... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 30-year-old man comes to the physician because of a 2-week history of lesions on his elbows. He has no history of serious illness and takes no medications. Physical examination shows skin lesions on bilateral elbows. A photograph of his right elbow is shown. Which of the following is ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman is brought to the emergency department 30 minutes after stepping on a piece of broken glass. Physical examination shows a 3-cm, ragged laceration on the plantar aspect of the left foot. The physician uses hydrogen peroxide to clean the wound. Which of the following is the most likely m... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old man is brought to the emergency department after being discovered unconscious in a field near the county fair. Several empty bottles of vodka were found near him. On arrival, he is mumbling incoherently. He appears malodorous and disheveled. Serum studies show: Na+ 150 mEq/L K+ 3.3 mEq/L Cl-... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old woman presents to the outpatient clinic complaining of severe vulvar itching. The pruritus started 1 year ago and became worse over the last several months. She has tried over-the-counter topical steroids without relief. She is not currently sexually active. Her medical history is notable fo... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old man is admitted to the hospital because of a 3-week history of abdominal distention and yellowing of the skin. He also has a 2-year history of progressively worsening breathlessness and cough. Three days after admission, he suddenly develops peritonitis and sepsis. Despite appropriate care, ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A stock trader was reprimanded by his boss for making a series of miscalculated trades that almost cost him his job and the firm a significant amount of money. After leaving work, the trader went to donate his time by tutoring math at the local public school. When his tutee arrived for the session, the tr... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman comes to the clinic for a routine evaluation. This is her first time visiting this office. Her medical history is significant for cystic medial necrosis of the aorta. Her vital signs include: heart rate 85/min, respiratory rate 15/min, temperature 36.0°C (96.8°F), and blood pressure 11... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-year-old male presents to his pediatrician for a well-child visit. Through a history from the mother and physical examination, the pediatrician learns that the baby babbles non-specifically, takes several steps independently, and picks up his cereal using two fingers. His weight is currently 22 lbs (b... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying DNA repair processes in an experimental animal. The investigator inactivates a gene encoding a protein that physiologically excises nucleotides from damaged, bulky, helix-distorting DNA strands. A patient with a similar defect in this gene is most likely to present with which o... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man comes to the physician because of a 4-month history of recurrent episodes of headaches, palpitations, and sweating. He was adopted shortly after birth and does not know his biological parents. His pulse is 103/min and blood pressure is 160/105 mm Hg. Physical examination shows multiple s... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old man presents to the emergency department complaining of blood in his stool. He reports that this morning he saw bright red blood in the toilet bowl. He denies fatigue, headache, weight loss, palpitations, constipation, or diarrhea. He has well-controlled hypertension and takes hydrochlorothi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man is brought to the emergency department with a 2-hour history of severe, sudden-onset generalized headache. He has since developed nausea and has had one episode of vomiting. The symptoms began while he was at home watching television. Six days ago, he experienced a severe headache that r... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old woman presents for her annual physical checkup. She says she first noticed a mass in her right breast while taking a shower 3 months ago, which has progressively increased in size. She denies any weight loss, fever, night sweats, discharge from or change in her nipples. Her family history is... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old female presents to your office with complaints of painful bleeding between regular menstrual cycles, pain during sexual intercourse, and postcoital bleeding for the past 6 months. She also gives a long history of mild, crampy, vague, lower abdominal pain, but has never sought medical attenti... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A longstanding patient of yours has been hospitalized for a week with pneumonia. You have taken care of her while she was in the hospital. At the end of her hospitalization, she tells you how grateful she is for your care and gives you a small gift basket with homemade food, which you accept. However, whe... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old man presents to his primary care provider complaining of testicular pain. He reports a four-day history of dull chronic pain in his left testicle that is worse with standing. His past medical history is notable for asthma and major depressive disorder. He takes inhaled albuterol as needed an... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old African American woman presents to the clinic with burning upon urination. The patient describes increased frequency, urgency, and a painful sensation at the urethra when urinating for the past 3 days. She also reports increased vaginal discharge and abnormal odor during the same time. The p... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old woman is brought to the emergency department because of the sudden onset of severe left eye pain, blurred vision, nausea, and vomiting. She has had an upper respiratory tract infection for the past 2 days and has been taking phenylephrine to control symptoms. Examination shows a rock-hard, i... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old woman presents to her primary care physician with complaints of increasing left upper quadrant discomfort. She has a known history of type 1 Gaucher disease. On physical examination, her spleen is palpable 8 cm below the costal margin. Routine laboratory work reveals severe pancytopenia. Aft... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying growth patterns of various fungal pathogens. Incubation of an isolated fungus at 25°C shows branching hyphae with rosettes of conidia under light microscopy. After incubation at 37°C, microscopic examination of the same organism instead shows smooth, white colonies with rounded... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A group of scientists discovered a neurotoxin that prevents neurons from releasing neurotransmitters. They performed a series of experiments to determine the protein that the neurotoxin affected. They used a fluorescent molecule that localizes to synaptic vesicles. In the control experiment, they observed... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying nosocomial infections in hospitals. The weekly incidence of hospital-acquired pulmonary infections within the pediatric wards of eight different hospitals is recorded. The results are shown. Which of the following values best represents the median value of these incidence rates... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year old man comes to the emergency department because of progressively worsening shortness of breath and fatigue for 3 days. During the last month, he has also noticed dark colored urine. One month ago, he underwent mechanical aortic valve replacement for high-grade aortic stenosis. A photomicrograp... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old woman comes to the physician for a pelvic examination and Pap smear. Menses have occurred at regular 28-day intervals since menarche at the age of 11 years and last for 5 days. The first day of her last menstrual period was 3 weeks ago. She is sexually active with her husband and takes oral ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old man is outside his home doing yard work when a bee stings him in the right arm. Within 10 minutes, he reports breathlessness and multiple, circular, pruritic rashes over his right arm. He drives to his family physician’s office for evaluation. His past medical history is significant for hype... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman is brought to the Emergency Department by her husband due to increasing confusion. He reports that she has been urinating a lot for the past month or so, especially at night, and has also been constantly drinking water and tea. Lately, she has been more tired than usual as well. Her pa... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man presents to the emergency department with severe dyspnea and sharp chest pain that suddenly started an hour ago after he finished exercising. He has a history of asthma as a child, and he achieves good control of his acute attacks with Ventolin. On examination, his right lung field is hy... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old woman presents with an acute loss of vision in her right eye. Past medical history is significant for depression diagnosed 2 years ago and well-managed medically. Further history reveals that the patient recently came to know that her trusted neighbor was sexually abusing her younger daughte... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old man presents to his primary care physician for numbness and tingling in his hands. He does not typically see a physician, but states that he has had some worsening numbness and weakness in his hands that has been progressing over the past month. His temperature is 99°F (37.2°C), blood pressu... | B |
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