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Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old African-American female presents to the emergency department with fatigue. Her parents endorse malaise and weakness on behalf of the patient for two weeks. Her temperature is 98.9°F (37.2°C), blood pressure is 94/70 mmHg, pulse is 102/min, and respirations are 22/min. On physical exam, she is... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-month-old male infant is brought to the physician because of inconsolable crying for the past 3 hours. For the past 3 weeks, he has had multiple episodes of high-pitched unprovoked crying every day that last up to 4 hours and resolve spontaneously. He was born at term and weighed 2966 g (6 lb 9 oz); h... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old man comes to the physician because of a 1-month history of a painless lump on his neck. Two years ago, he underwent surgery for treatment-resistant hypertension, episodic headaches, and palpitations. Physical examination shows a firm, irregular swelling on the right side of the neck. Ultraso... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old girl is brought to the physician because she has not yet had her 1st period. She was born at 39 weeks gestation via spontaneous vaginal delivery. She is up to date on all vaccines and meeting all developmental milestones. She has no history of a serious illness and takes no medications. Phys... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old woman with osteoarthritis is brought to the emergency room because of a 2-day history of nausea and vomiting. Over the past few weeks, she has been taking acetaminophen frequently for worsening knee pain. Examination shows scleral icterus and tender hepatomegaly. She appears confused. Serum ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old girl presents with a lump in her neck which she noticed a few days ago. The patient’s mother states that her daughter’s left eyelid seems to be drooping, making her left eye look small. There is no significant past medical history. On neurological examination, the patient has normal bilateral... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man presents for a follow-up visit as part of his immigration requirements into the United States. Earlier this week, he was administered the Mantoux tuberculin skin test (TST). Today’s reading, 3 days after being administered the test, he shows an induration of 10 mm. Given his recent immig... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old man undergoes orthopedic surgery for a leg fracture that he has sustained in a motorbike accident. After induction of anesthesia with desflurane, the patient's respiratory minute ventilation decreases notably. Which of the following additional effects is most likely to occur in response to t... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old woman otherwise healthy presents with acute onset severe rectal bleeding. The patient says that 2 hours ago bleeding began suddenly after a difficult bowel movement. She says the blood is bright red, and, initially, bleeding was brisk but now has stopped. The patient denies having any simila... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-month-old girl is brought to the physician because of drooling and excessive crying for 3 days. She calms down when cuddled or with a pacifier in her mouth. She feeds well and has no vomiting or diarrhea. She was breastfed exclusively for 5 months. She is given no medications and was born at 39 weeks ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman gravida 2, para 1 at 12 weeks' gestation comes to the physician for her initial prenatal visit. She feels well. She was treated for genital herpes one year ago and gonorrhea 3 months ago. Medications include folic acid and a multivitamin. Vital signs are within normal limits. Pelvic ex... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man comes to the physician because of progressive fatigue and shortness of breath for 2 months. The dyspnea occurs on moderate exertion and during the night; he sometimes wakes up coughing and “gasping for air.” He has also had several episodes of heart pounding and palpitations. Two weeks a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 20-year-old woman college volleyball player presents with left shoulder pain and difficulty elevating her left arm. The patient began to experience dull pain in her left shoulder 5 days ago after a volleyball game. The pain is worse when she sleeps with her arm under the pillow or elevates or abducts he... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying the mechanism regulating pigment production in the skin. She has isolated a hormone produced by the anterior and intermediate lobe of the pituitary gland that stimulates neural crest-derived cells to produce pigments through the oxidation and polymerization of the amino acid ty... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old woman with type 2 diabetes mellitus comes to the physician with a 3-day history of fever, right calf pain, and swelling. Her temperature is 38.7°C (101.7°F). Physical examination shows a 5 x 6-cm erythematous, warm, raised skin lesion with well-defined margins over the right upper posterior ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old man is seen on the surgical floor after a transplant procedure. The previous day, the patient had a renal transplant from a matched donor. He is currently recovering and doing well. The patient has a past medical history of IV drug use, diabetes mellitus, oral cold sores, hypertension, renal... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old woman presents with an acute worsening of a chronic rash on her arms and hands for the past week. She says she first noticed the rash 1 year ago which started as little red spots and gradually increased in size. 7 days ago, she noticed the rash suddenly got much worse and spread to her ingui... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-day-old infant born at full term by uncomplicated spontaneous vaginal delivery is noted to have cyanosis of the oral mucosa. The baby otherwise appears comfortable. On examination, his respiratory rate is 40/min and pulse oximetry is 80%. His left thumb is displaced and hypoplastic. A right ventricula... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old man is pulled out of a burning building. He is unconscious and severely injured. He is transported to the nearest emergency department. Upon arrival, he is stabilized and evaluated for burns and trauma. Approximately 40% of his body is covered in burns. The burned areas appear blackened and ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An otherwise healthy 43-year-old woman comes to the physician because of several episodes of involuntary movements of her head over the past few months. They are sometimes associated with neck pain and last minutes to hours. Neurologic examination shows no abnormalities. During examination of the neck, th... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old woman presents to her family physician with a complaint of painful joints for the past 2 weeks. She reports symmetric bilateral joint pain in her hands, knees, and ankles. She has never had this before, and her past medical history is notable only for asthma. She states the pain is worse in ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man presents to the emergency department with abdominal pain and a pulsatile abdominal mass. Further examination of the mass shows that it is an abdominal aortic aneurysm. A computed tomography scan with contrast reveals an incidental finding of a horseshoe kidney, and the surgeon is informe... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> Thirty minutes after vaginal delivery of a 2780-g (6-lb 2-oz) newborn at term, a 25-year-old woman, gravida 1, para 1, has heavy vaginal bleeding. Her pregnancy was complicated by pre-eclampsia. Her pulse is 111/min and blood pressure is 95/65 mm Hg. Physical examination shows a fundal height 2 inches bel... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old African American woman develops a facial rash in a "butterfly" pattern over her face and complains of feeling tired and achy in her joints. In the course of a full rheumatologic workup you note that she has anti-snRNP antibodies. Which of the following do snRNPs affect? ---- <<Choices:>> A) ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 61-year-old man comes to the physician because of a 6-month history of morning headaches. He also has fatigue and trouble concentrating on his daily tasks at work. He sleeps for 8 hours every night; his wife reports that he sometimes stops breathing for a few seconds while sleeping. H... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old girl is brought to the physician by her parents due to observations of rapid, random, horizontal and vertical eye movements along with occasional jerking movements of her limbs and head. CT scan reveals an abdominal mass that crosses the midline. Further work-up reveals elevated 24-hour urina... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 41-year-old man comes to the physician because of a 3-week history of fatigue, cough, and a 4.5-kg (10-lb) weight loss. He does not smoke or drink alcohol. He appears emaciated. A chest x-ray shows a calcified nodule in the left lower lobe and left hilar lymphadenopathy. The physician initiates therapy ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-year-old boy is brought in by his mother with a 2-day history of fever and generalized weakness. She says that her son was involved in a school fight with some other kids 4 days ago and sustained minor injuries to the face. He was otherwise well, until this morning, when he complained of pain in his ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man presents with shortness of breath, particularly when walking up stairs and when lying down to go to sleep at night. He also complains of a chronic cough and states that he now uses 2 extra pillows at night. The patient has a history of type 2 diabetes that is well-managed with metformin.... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old woman comes to the physician because of increasing muscle weakness in her shoulders and legs for 1 month. She has difficulties standing up and combing her hair. She also has had a skin rash on her face and hands for the past week. She has hypercholesterolemia treated with simvastatin. She ha... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old pregnant woman presents to an obstetrician at 35 weeks gestation reporting that she noted the presence of a mucus plug in her vaginal discharge this morning. The obstetrician performs an examination and confirms that she is in labor. She was diagnosed with HIV infection 1 year ago. Her curre... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old female is brought to the emergency room by her son for unusual behavior. She moved into her son’s house three years ago after her husband passed away. The son reports that when he returned home from work earlier in the day, he found his mother minimally responsive. She regained consciousness... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old man is brought to the emergency department by a coworker for right arm weakness and numbness. The symptoms started suddenly 2 hours ago. His coworker also noticed his face appears to droop on the right side and his speech is slurred. He has a history of hypertension, hyperlipidemia, type 2 d... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old boy is brought to the physician because he is easily fatigued and has not gained weight. He eats 3 meals and has 3 to 4 bowel movements daily with bulky stools that float. He had recurrent episodes of sinusitis in infancy. He is at the 15th percentile for height and 5th percentile for weight.... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man is brought to the emergency department 30 minutes after being hit by a car while crossing the street. He had a left-sided tonic-clonic seizure and one episode of vomiting while being transported to the hospital. On arrival, he is not oriented to person, place, or time. Physical examinati... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-month-old girl is brought to the physician because of the sudden appearance of a rash on her trunk that started 6 hours ago and subsequently spread to her extremities. Four days ago, she was taken to the emergency department because of a high fever and vomiting. She was treated with acetaminophen and... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old boy presents to his primary care physician for eye pain. The patient states that it has been going on for the past 3 days and has been steadily worsening. He recently suffered a superior orbital fracture secondary to playing football without a helmet that required no treatment other than to ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man is being evaluated in your radiation oncology clinic for treatment of a solid tumor. Your hospital has just purchased a new proton beam purported to deliver targeted radiation with fewer side effects than traditional radiation therapy. The patient expresses strong interest in receiving p... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-month-old boy is presented to the clinic for a well-child visit by his parents. They are concerned with his weak cry and difficulty with feeding. Birth history reveals that the boy was born at the 37th week of gestation by cesarean section due to poor fetal movement and fetal distress. His Apgar score... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old male presents to his primary care physician for pain in his knee. The patient was in a wrestling match when his legs were grabbed from behind and he was taken to the floor. The patient states that the moment this impact happened, he felt a snapping and sudden pain in his knee. When the match... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man presents to the physician for the evaluation of excessive daytime sleepiness over the past six months. Despite sleeping 8–9 hours a night and taking a nap during the day, he feels drowsy and is afraid to drive. His wife complains of loud snoring and gasping during the night. His blood pr... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man comes to the emergency department because of a 3-day history of fever and shortness of breath. He has a history of COPD treated with inhaled albuterol. His temperature is 39.0°C (102.2°F), pulse is 95/min, respirations are 20/min, and blood pressure is 130/80 mm Hg. Cardiopulmonary exami... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old man comes to the physician for follow-up evaluation for hypertension. He reports a 1-month history of episodic throbbing headaches, palpitations, and paroxysmal sweating. Blood pressure is 160/90 mm Hg. He appears pale but physical examination is otherwise unremarkable. Laboratory studies sh... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old boy is brought to the physician for the evaluation of fever, breathing difficulty, and cough during the past week. In the past year, the patient was diagnosed with four sinus infections, 3 upper respiratory tract infections, and an episode of severe bronchiolitis requiring hospitalization. Si... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> In recent years, psoriasis has been identified as a risk factor for cardiovascular disease. A researcher conducted a study in which he identified 200 patients with psoriasis and 200 patients without psoriasis. The patients were followed for 10 years. At the end of this period, participants' charts were re... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old woman, gravida 3, para 2, at 37 weeks' gestation comes to the emergency department because of sparse vaginal bleeding for 3 hours. She also noticed the bleeding 3 days ago. She has had no prenatal care. Both of her previous children were delivered by lower segment transverse cesarean section... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 51-year-old woman schedules an appointment with her physician with complaints of upper abdominal pain, nausea, and early satiety for the last 6 months. She has type 1 diabetes for the past 10 years and is on subcutaneous insulin with metformin. She complains of occasional heartburn and lost 4.5 kg (10 l... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old girl is brought to the physician by her parents for complaints of breast development and pubic hair growth for the past 6 months. She has no significant birth or medical history. The temperature is 37.0°C (98.6°F), the pulse is 88/min, and the respirations are 20/min. Physical examination sho... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old woman presents to the physician for a routine health maintenance examination. She has a past medical history of gastroesophageal reflux disease. She recently moved to a new city to begin her undergraduate studies. Her father was diagnosed with colon cancer at age 46. Her father's brother die... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 61-year-old man presents to the emergency department for the evaluation of polyuria, polydipsia, and confusion. He has a history of the psychiatric disease but is unable to provide additional details. He is admitted to the hospital and his home medications are continued. Routine testing is unrevealing f... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman presents to your office with abdominal pain and bloating over the last month. She also complains of intermittent, copious, non-bloody diarrhea over the same time. Last month, she had a cough that has since improved but has not completely resolved. She has no sick contacts and has not l... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 78-year-old man presented to his primary physician with a 3-month history of weight loss, fever, fatigue, night sweats, and cough. He is a former smoker. A recent HIV test was negative. A CT scan of the chest reveals a 3 cm lesion in the lower lobe of the left lung and calcification around the left lung... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman comes to see you for a second opinion regarding an upcoming surgery for pancreatic insulinoma. While taking a surgical history, she tells you she previously had a pituitary tumor resected. For which additional neoplasms might you consider testing her? ---- <<Choices:>> A) Medullary thy... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-year-old girl comes to the clinic with a grossly enlarged abdomen. She has a history of frequent episodes of weakness, sweating, and pallor that are eliminated by eating. Her development has been slow. She started to walk unassisted at 2 years and was not performing well at school. Physical examinati... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man is brought to the emergency department after his girlfriend discovered him at home in a minimally responsive state. He has a history of drinking alcohol excessively and using illicit drugs. On arrival, he does not respond to commands but withdraws all extremities to pain. His pulse is 90... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old man undergoes uncomplicated laparascopic cholecystectomy for acute cholecystitis and is admitted to the surgical ward for postoperative management. On postoperative day 1, routine laboratory studies reveal an increase in serum creatinine to 1.46 mg/dL from 0.98 mg/dL before the operation; BU... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old male presents to the emergency room following a gunshot wound to the leg. On arrival his temperature is 99°F (37.2°C), blood pressure is 90/60 mmHg, pulse is 112/min, respirations are 21/min, and pulse oximetry is 99% on room air. Two large bore IVs are placed and he receives crystalloid flu... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old boy is brought to the emergency department for evaluation of fever and cough for one week. The mother reports that her son has muscle rigidity and difficulty breathing. He has also had a generalized skin rash for the past 4 days. His symptoms began shortly after returning from a trip to India... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old woman with a history of emphysema has been referred by her pulmonologist for follow-up pulmonary function testing. During the test, the patient reaches a point where her airway pressure is equal to the atmospheric pressure. Which of the following is most likely to be found during this respir... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 51-year-old woman is brought to the emergency department after not being able to urinate for the past 12 hours. She also complains of a headache that is sharp in nature, 9/10, without radiation, and associated with nausea and vomiting. She neither smokes cigarettes nor drinks alcohol. She complains that... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old man comes to the physician because of a 6-month-history of worsening shortness of breath on exertion and bouts of coughing while sleeping. He has hypertension, hyperlipidemia, and type 2 diabetes mellitus. Current medications include lisinopril, simvastatin, and insulin. The patient appears ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old woman comes to the physician because of a 1-month history of mild fever, fatigue, and shortness of breath. She has no history of serious medical illness and takes no medications. Cardiopulmonary examination shows a mid-diastolic plopping sound heard best at the apex and bilateral rales at th... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man with a history of coronary artery disease has been brought to the emergency department due to the sudden onset of chest pain. He was diagnosed with hypertension 12 years ago and takes enalapril regularly. The patient is hypotensive to 70/42 mm Hg, and on further examination his skin is c... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old man comes to the emergency department because of a severely painful right eye. The pain started an hour ago and is accompanied by frontal headache and nausea. The patient has vomited twice since the onset of the pain. He has type 2 diabetes mellitus. He immigrated to the US from China 10 yea... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old male arrives to student health for an annual check up. He is up to date on his infant and childhood vaccinations up to age 10. At age 12, he received a single dose of the tetanus, diphtheria, and acellular pertussis vaccine, and a quadrivalent meningococcal conjugate vaccine. A month ago, he... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-year-old girl is brought to the emergency department by her parents due to severe shortness of breath that started 20 minutes ago. She has a history of asthma and her current treatment regime includes a beta-agonist inhaler as well as a medium-dose corticosteroid inhaler. Her mother tells the physici... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> Over the course of a year, 5 children with identical congenital heart defects were referred to a pediatric cardiac surgeon for evaluation. All 5 children had stable vital signs and were on appropriate medication. Upon review of medical records, all of them had a loud holosystolic murmur over the third int... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old woman is presenting for a general wellness checkup. She is generally healthy and has no complaints. The patient does not smoke, drinks 1 alcoholic drink per day, and exercises 1 day per week. She recently had silicone breast implants placed 1 month ago. Her family history is notable for a he... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old boy is brought to the emergency department because of a 2-day history of fever, headache, and irritability. He shares a room with his 7-year-old brother, who does not have any symptoms. The patient appears weak and lethargic. His temperature is 39.1°C (102.4°F) and blood pressure is 99/60 mm... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 75-year-old male presents to his primary care physician complaining of epigastric pain. He has developed progressively worsening epigastric pain, heartburn, and nausea over the past five months. The pain does not change with meals and is not positional. He also reports that he is rarely hungry and has l... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A mother brings her 1-year-old daughter who has had several seizures in the past 2 weeks to the pediatrician. The mother explains that the child is unable to crawl, sit, or even hold up her own head. She thinks the weakness is getting worse. The parents of the child are first cousins, and the mother's sis... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 61-year-old man presents to the emergency department with severe left flank pain radiating to the left groin and severe nausea. His condition started suddenly 3 hours earlier. His past medical history is significant for chronic migraine headaches and type 2 diabetes mellitus. He takes metformin and glyb... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old man is evaluated by paramedics after being found unconscious outside of his home. He has no palpable pulses. Physical examination shows erythematous marks in a fern-leaf pattern on his lower extremities. An ECG shows ventricular fibrillation. Which of the following is the most likely cause o... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old female presents to a counselor at the urging of her parents because they are concerned that she might be depressed. After recently breaking up with her long-term boyfriend, she moved back in with her parents because she could not handle making decisions alone. Soon after their breakup, she s... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old woman delivers a healthy boy at 38 weeks gestation. The delivery is vaginal and uncomplicated. The pregnancy was unremarkable. On examination of the newborn, it is noted that his head is tilted to the left and his chin is rotated to the right. Palpation reveals no masses or infiltration in t... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A healthy 30-year-old woman comes to the physician with her husband for preconception counseling. Her husband is healthy but she is concerned because her brother was recently diagnosed with a genetic liver condition for which he takes penicillamine. Her father-in-law has liver cirrhosis and a tremor. The ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 20-year-old man who is a biology major presents to his physician for a simple check-up. He is informed that he hasn’t received a hepatitis B vaccine. When the first injection is applied, the medical professional informs him that he will need to come back 2 more times on assigned days, since the vaccine ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman presents with an abnormal vaginal discharge for the past week. She maintains a monogamous relationship but denies the use of barrier protection with her partner. She is 5 weeks late for her menstrual cycle. Subsequent testing demonstrates a positive pregnancy test. A wet mount demonstr... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old woman presents to her primary care physician with complaints of pain and swelling in her hands and fingers. She states that she has had these symptoms since she was in her 20s, but they have recently become more severe. She states that her wedding ring no longer fits, due to increased swelli... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old boy comes to the physician for the evaluation of progressive difficulty climbing stairs for the last 2 years. During this period, he has also had problems running and standing up from a seated position. He is at the 50th percentile for height and weight. Examination shows enlarged calf muscl... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 71-year-old man is admitted to the hospital one hour after he was found unconscious. His pulse is 80/min and systolic blood pressure is 98 mm Hg; diastolic blood pressure cannot be measured. He is intubated and mechanically ventilated with supplemental oxygen at a tidal volume of 450 mL and a respirator... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man presents to the office with complaints of perianal pain during defecation and perineal heaviness for 1 month. He also complains of discharge around his anus, and bright red bleeding during defecation. The patient provides a history of having a sexual relationship with other men without u... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old male retired farmer presents to the orthopaedic surgery clinic with chronic left knee pain. Radiographic imaging demonstrates severe tricompartmental osteoarthritis. The patient has a history of diabetes mellitus, chronic kidney disease, hypertension, hyperlipidemia, and congestive heart fai... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-man is brought to the physician because of a 2-week history of memory loss. Three weeks ago, he had a cardiac arrest that required cardiopulmonary resuscitation and intravenous epinephrine. On mental status examination, he cannot recall objects shown to him 20 minutes earlier but vividly recalls... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman comes to the physician because she had a positive pregnancy test at home. She reports feeling nauseated and has vomited several times over the past week. During this period, she has also had increased urinary frequency. She is sexually active with her boyfriend and they use condoms inc... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old woman presents to the emergency department with retrosternal pain that started this evening. The patient states that her symptoms started as she was going to bed after taking her medications. She describes the pain as sudden in onset, worse with swallowing, and not associated with exertion. ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old man comes to the physician for a follow-up examination after a previous visit showed an elevated serum calcium level. He has a history of bipolar disorder. His mother had a parathyroidectomy in her 30s. The patient does not drink alcohol or smoke. Current medications include lithium and a da... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old woman with type 2 diabetes mellitus presents to her physician with intermittent nausea for the past 2 months. Her symptoms are exacerbated within one hour after eating. She has no other history of a serious illness. She takes metformin and injects insulin. Her vitals are normal. Abdominal ex... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is brought by his parents to his pediatrician with a one-day history of fever, chills, and pain in the right upper extremity. The patient’s mother says that he has injured his right index finger while playing in the garden 3 days earlier. His temperature is 38.8°C (101.8°F), pulse is 120/... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is brought to the emergency department by his parents. He is complaining of left-sided knee pain which has progressively increased in severity over the past 2 days. It started when he was playing football with his brothers but he does not recall falling or getting any injury. Past medical... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old woman presents to her primary care provider after intermittently passing bright pink urine over several days. She is concerned this discoloration is due to blood. Her medical history is unremarkable, she denies being sick in the past weeks and has only taken a couple of diclofenac capsules f... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man comes to the physician because of a 3-month history of progressively worsening shortness of breath on exertion. He is concerned that he has asthma and would like to be started on albuterol. Which of the following findings is most likely to indicate a different diagnosis in this patient? ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man is brought to the emergency department by the police after a motor vehicle accident. He was reportedly speeding in a residential area and collided with a tree. He was later found by police naked in the street, screaming "shoot me so the devil will leave". A review of his medical record i... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old man comes to the physician because of a 6-month history of progressive fatigue and intermittent diarrhea. During this time, he has had a 6-kg (13-lb) weight loss. Physical examination shows pale conjunctivae. Abdominal examination shows tenderness to palpation in the lower quadrants. An imag... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 51-year-old woman comes to the physician because of a 6-month history of fatigue and increased thirst. She has no history of serious medical illness and takes no medications. She is 163 cm (5 ft 4 in) tall and weighs 72 kg (160 lb); BMI is 28 kg/m2. Her fasting serum glucose concentration is 249 mg/dL. ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is conducting an experiment to study different pathways of glucose metabolism. He obtains cells cultured from various tissues to study the effect of increased extracellular glucose concentration. Following the incubation of these cells in 5% dextrose, he measures the intracellular fructose... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old primigravid woman comes to the physician at 10 weeks' gestation because of progressive fatigue for the past 3 weeks. She reports that she has had a 3.2-kg (7-lb) weight loss after conceiving despite an increase in appetite. She has become increasingly anxious and has trouble falling asleep. ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old unconscious man is brought to the emergency department. He was found unresponsive on the sidewalk in the snow. He is recognized by the staff as a local homeless man and IV drug user. Rapid warming procedures are initiated. At physical examination, he is dirty and disheveled and unrousable wi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old male presents to the emergency department. He was brought in by police for shouting on a subway. The patient claims that little people were trying to kill him, and he was acting within his rights to defend himself. The patient has a past medical history of marijuana and IV drug use as well a... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 18-year-old man presents to his primary care provider before leaving for college. He has no complaints. His past medical history is significant for asthma, acne vulgaris, and infectious mononucleosis at age 16. His home medications include doxycycline and albuterol as needed. His family history is sign... | A |
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