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Answer the following medical question with the correct letter choice: | <<Question:>> An 87-year-old woman is brought to the emergency department from her nursing home because of increasing confusion and lethargy for 12 hours. The nursing home aide says she did not want to get out of bed this morning and seemed less responsive than usual. She has Alzheimer's disease, hypertension, and a hi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old girl is brought into the physician's office with complaints of nausea, vomiting, headache, and blurry vision. In preparation for final exams the patient's mother started her on an array of supplements and herbal preparations given the "viral illness" that is prevalent at her school. Despite ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old boy is brought to the pediatrician by his mother complaining of abdominal pain and constipation. She reports that his appetite has been reduced and that he has not had a bowel movement in 2 days. Prior to this, he had a regular bowel movement once a day. She also reports that he has appeared ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old man is taken to the emergency room after losing consciousness. According to his wife, he suddenly complained of fluttering in his chest, lightheadedness, and profuse sweating while walking to the grocery store. He then turned gray, lost consciousness, and collapsed onto the ground. His medic... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old woman presents with vision loss in her right eye. She noticed the visual changes the morning of presentation and has never experienced this visual disturbance before. Her medical history is significant for hypertension, hypercholesterolemia, and type II diabetes mellitus. She is currently on... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-year-old boy is brought to the physician by his parents for a follow-up examination. He has had a short stature since birth and underwent diagnostic testing. Genetic analyses showed a gain of function mutation in the fibroblast growth factor receptor 3 (FGFR3) gene. He has met all developmental miles... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old woman presents to her university health clinic for a regularly scheduled visit. She has a past medical history of depression, acne, attention-deficit/hyperactivity disorder, and dysmenorrhea. She is currently on paroxetine, dextroamphetamine, and naproxen during her menses. She is using nico... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old boy is brought to his pediatrician for evaluation of a tender red big toe. His mother also notes that she has seen him recently starting to bite his own fingers and also exhibits spasms of muscle tightness. She reports that his diapers often contain the substance shown in the photograph. On e... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man is brought to the Emergency Department after 3 consecutive days of diarrhea, fatigue and weakness. His stool has been soft and mucoid, with no blood stains. The patient just came back from a volunteer mission in Guatemala, where he remained asymptomatic. His personal medical history is u... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman comes to the physician with fever and malaise. For the past 2 days, she has felt fatigued and weak and has had chills. Last night, had a temperature of 40.8°C (104.2°F). She has had a sore throat since this morning. The patient was recently diagnosed with Graves disease and started on ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old woman comes to the physician because of a 2-month history of exertional shortness of breath and fatigue. She sometimes wakes up at night coughing and gasping for air. Cardiac examination shows a grade 3/6 holosystolic murmur best heard at the apex. Which of the following physical exam findin... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A group of investigators who are studying individuals infected with Trypanosoma cruzi is evaluating the ELISA absorbance cutoff value of serum samples for diagnosis of infection. The previous cutoff point is found to be too high, and the researchers decide to lower the threshold by 15%. Which of the follo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old man comes to the physician because of a 2-month history of burning epigastric pain, dry cough, and occasional regurgitation. The pain is aggravated by eating and lying down. Physical examination shows a soft, non-tender abdomen. Upper endoscopy shows hyperemia in the distal third of the esop... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old woman comes to the physician for a routine health maintenance examination. She feels well. Menses occur at regular 28-day intervals and last for 3–5 days, with normal flow. They are occasionally accompanied by pain. Three years ago, she was diagnosed with chlamydial cervicitis and treated wi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old man presents to the office with complaints of mild abdominal pain, yellowish discoloration of eyes, and itching all over his body for a year. He recently lost 2.4 kg (5.3 lb) over a period of 1 month. He says that his urine is dark and stool appears clay-colored. He denies any history of hem... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-month-old girl is brought to the physician for evaluation of a rash on her face that first appeared 3 days ago. She was delivered at term after an uncomplicated pregnancy. She is at the 25th percentile for length and 40th percentile for weight. Examination shows small perioral vesicles surrounded by e... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old man is brought to the emergency department 25 minutes after he was involved in a high-speed motor vehicle collision where he was the unrestrained passenger. He has severe lower abdominal and pelvic pain. On arrival, he is alert and oriented. His pulse is 95/min, respirations are 22/min, and ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old woman comes to the physician because of worsening heartburn and abdominal pain for the past 4 months. During this period she has also had multiple episodes of greasy diarrhea. Six months ago, she had similar symptoms and was diagnosed with a duodenal ulcer. Her mother died of complications f... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man presents with a mass on his neck. He says that he first noticed the mass a few weeks ago while taking a shower. Since then, the mass has not increased in size. He denies any pain or difficulty in swallowing. Past medical history is unremarkable. Family history is significant for his fath... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old man presents to the office complaining of dry, irritated eyes that have gotten worse over the last week. The patient states that he has also developed a red bumpy rash on his arms. On exam, his bilateral cornea and conjunctiva are dry and thickened. There are small ulcerations on the cornea.... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old boy presents with fever, generalized fatigue, nausea, and progressive anemia. The patient’s mother says his condition was normal until one week ago when he started having flu-like symptoms such as fever, general fatigue, and abdominal discomfort. Past medical experience is significant for sic... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old man presents to his primary care provider complaining of dull pain in his scrotum and lower back pain over the last 3 months. He is a computer engineer working in a private IT company. He had an uncomplicated appendectomy at the age of 22 years, but is otherwise without a significant past me... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman comes to the physician because of a 3-month history of recurrent headaches and nausea. The headaches occur a few times a month and alternately affect the right or left side. The headaches are exacerbated by loud sounds or bright light. She is in graduate school and has been under a lot... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-year-old girl is brought to the emergency department 3 hours after the sudden onset of colicky abdominal pain and vomiting. She also has redness and swelling of the face and lips without pruritus. Her symptoms began following a tooth extraction earlier this morning. She had a similar episode of facia... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man comes to the physician because of a 1-year history of episodic shortness of breath. Physical examination shows no abnormalities. Laboratory studies show elevated serum IgE levels. Microscopic examination of the sputum shows eosinophilic, hexagonal, double-pointed crystals. A methacholine... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old man comes to the emergency department for complaints of crushing chest pain for 4 hours. He was shoveling snow outside when the pain started. It is rated 7/10 and radiates to his left arm. An electrocardiogram (ECG) demonstrates ST-segment elevation in leads V2-4. He subsequently undergoes p... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 73-year-old man presents to your clinic for a routine checkup. His medical history is notable for a previous myocardial infarction. He states that he has not seen a doctor in "many years". He has no complaints. When you auscultate over the cardiac apex with the bell of your stethoscope, you notice an ad... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old boy is brought to the physician because of a 3-day history of fever and left ear pain. Examination of the left ear shows a bulging tympanic membrane with green discharge. Gram stain of the discharge shows a gram-negative coccobacillus. The isolated organism grows on chocolate agar. The causal... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> You have been asked to deliver a lecture to medical students about the effects of various body hormones and neurotransmitters on the metabolism of glucose. Which of the following statements best describes the effects of sympathetic stimulation on glucose metabolism? ---- <<Choices:>> A) Norepinephrine cau... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old man with a history of chronic alcoholism presents with a chronic cough and dyspnea. He says he traveled to Asia about 4 months ago and his symptoms started shortly after he returned. His temperature is 40.2°C (104.4°F) and pulse is 92/min. Physical examination reveals poor personal hygiene a... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old female with a history of mild asthma, type II diabetes, hypertension, and hyperlipidemia presents to clinic complaining of swelling in her lips (Image A). She has had no changes to her medications within the past two years. Vital signs are stable. Physical exam is notable for significant ery... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old man presents to the physician because of headache, malaise, fatigue, aching pain in the bones, and a non-itchy skin rash for the past week. He reports that he had developed a single, raised, red-colored eruption over the glans penis 2 months ago, which had healed spontaneously 1 month ago. P... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old boy is brought to the office by his mother due to the recent onset of fever and ear pain. He began tugging on his ear and complaining of pain 3 days ago. The mother reports a temperature of 37.8°C (100.0°F) this morning, with decreased appetite. The current temperature is 38.6ºC (101.4ºF). Ea... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man comes to the physician because of worsening abdominal pain over the last several months. He has also had recent feelings of sadness and a lack of motivation at work, where he is employed as a computer programmer. He denies suicidal thoughts. He has a history of multiple kidney stones. He... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 82-year-old woman presents with 2 months of foul-smelling, greasy diarrhea. She says that she also has felt very tired recently and has had some associated bloating and flatus. She denies any recent abdominal pain, nausea, melena, hematochezia, or vomiting. She also denies any history of recent travel ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-year-old boy is brought to the office by his mother with complaints of clear nasal discharge and cough for the past 2 weeks. The mother says that her son has pain during swallowing. Also, the boy often complains of headaches with a mild fever. Although his mother gave him some over-the-counter medica... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old male presents to the physician after noticing gross blood with urination. He reports that this is not associated with pain. The patient smokes 1.5 packs per day for 45 years. Dipstick analysis is positive for blood, with 5 RBC per high-power field (HPF) on urinalysis. A cystoscopy is perform... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> Three hours after undergoing open proctocolectomy for ulcerative colitis, a 42-year-old male complains of abdominal pain. The pain is localized to the periumbilical and hypogastric regions. A total of 20 mL of urine has drained from his urinary catheter since the end of the procedure. Temperature is 37.2°... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> Three days after undergoing coronary artery bypass surgery, a 72-year-old man has severe right upper quadrant pain, fever, nausea, and vomiting. He has type 2 diabetes mellitus, benign prostatic hyperplasia, peripheral vascular disease, and chronic mesenteric ischemia. He had smoked one pack of cigarettes... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man presents to the emergency department for weight loss and abdominal pain. The patient states that he has felt steadily more fatigued over the past month and has lost 22 pounds without effort. Today, he fainted prompting his presentation. The patient has no significant past medical history... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A home drug screening test kit is currently being developed. The cut-off level is initially set at 4 mg/uL, which is associated with a sensitivity of 92% and a specificity of 97%. How might the sensitivity and specificity of the test change if the cut-off level is changed to 2 mg/uL? ---- <<Choices:>> A) ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old woman presents to the office for a follow-up visit. She was diagnosed with cirrhosis of the liver 1 year ago and is currently receiving symptomatic treatment along with complete abstinence from alcohol. She does not have any complaints. She has a 4-year history of gout, which has been asympt... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man comes to the physician because of abdominal pain and bloody, mucoid diarrhea for 3 days. He has been taking over-the-counter supplements for constipation over the past 6 months. He was diagnosed with type 2 diabetes mellitus 15 years ago. He has smoked one pack of cigarettes daily for 35... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old woman comes to the physician with concerns about swelling and pain in her right breast. Physical examination shows erythema and prominent pitting of the hair follicles overlying the upper and lower outer quadrants of the right breast. There are no nipple changes or discharge. A core needle b... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old woman comes to the emergency department 25 minutes after the onset of severe left periorbital pain and blurred vision in the same eye. The pain began soon after she entered a theater to watch a movie. She has a headache and vomited twice on the way to the hospital. Two weeks ago, she had acu... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old female with chronic kidney failure secondary to diabetes asks her nephrologist to educate her about the techniques used to evaluate the degree of kidney failure progression. She learns about the concept of glomerular filtration rate (GFR) and learns that it can be estimated by measuring the ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man is brought to the emergency department because he was found stumbling in the street heedless of oncoming traffic. On arrival, he is found to be sluggish and has slow and sometimes incoherent speech. He is also drowsy and falls asleep several times during questioning. Chart review shows t... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-month-old boy is brought to the physician for a well-child examination. He was born at 39 weeks gestation via spontaneous vaginal delivery and is exclusively breastfed. He weighed 3,400 g (7 lb 8 oz) at birth. At the physician's office, he appears well. His pulse is 146/min, the respirations are 39/mi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man comes to the physician for a 1-month history of fever, malaise, and skin rash. He has had a 5-kg (11-lb) weight loss during this period. He does not smoke, drink alcohol, or use illicit drugs. He appears pale. His temperature is 39.1°C (102.3°F), pulse is 110/min, and blood pressure is 1... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man is brought to the emergency department by the police for impaired cognition and agitation after being struck in the head at a local nightclub. The patient refuses to respond to questions and continues to be markedly agitated. An alcoholic smell is noted. His temperature is 36.9°C (98.4°F... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old woman, gravida 1, para 0, at 18 weeks' gestation, comes to the physician for a prenatal visit. She recently read about a genetic disorder that manifests with gait ataxia, kyphoscoliosis, and arrhythmia and is concerned about the possibility of her child inheriting the disease. There is no pe... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 5-year-old girl is brought to the emergency department because of difficulty breathing and vomiting that began 1 hour after she took an amoxicillin tablet. She appears anxious. Her pulse is 140/min, respirations are 40/min, and blood pressure is 72/39 mmHg. She has several well-circum... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 8-year-old boy is brought in for initial evaluation by a pediatrician after he was adopted from an international orphanage. On presentation, he is found to have difficulty with walking as well as bone and joint pain. The adoption papers for the child state that he was the product of a normal birth with... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old boy presents to the emergency department after his parents found him drinking blue liquid out of an unlabeled bottle in the garage. They have no idea what was in the bottle and are concerned for his health. They have brought the bottle with them to the emergency department. The child's past m... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A newborn is brought to the pediatric clinic by his mother because she has noticed a swelling in the belly while dressing her baby. On physical examination, the newborn is found to have a non-tender upper abdominal mass. The clinician also noticed absent irises and undescended testes in this baby. A magne... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old is brought in to the pediatrician's office for a routine checkup. Her parents report that they noticed some regression in their daughter’s behavior. She seemed to be progressing well during the first 18 months of her life. She had started saying words such as ‘I’, ‘you’ and ‘mama’ and she was... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old boy presents with bleeding gums. His past medical history reveals a recent supracondylar fracture of the right humerus as the result of a fall while playing. On physical examination, petechiae are seen all over the patient’s body. The patient’s tongue is shown in the image. Which of the follo... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old man from India visits the clinic with complaints of feeling tired all the time and experiencing lack of energy for the past couple of weeks. He also complains of weakness and numbness of his lower limbs. He has been strictly vegan since the age of 18, including not consuming eggs and milk. H... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 66-year-old man is brought to the emergency department with complaints of progressively worsening hemoptysis. The patient states that he has had a chronic cough on account of his COPD, but he noticed that he had been coughing more consistently and frequently for the past 3 weeks. Initially, the blood in... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old man is brought to the emergency department after he is found sluggish, drowsy, feverish, and complaining about a headache. His past medical history is unremarkable. His vital signs include: blood pressure 120/60 mm Hg, heart rate 70/min, respiratory rate 17/min, and body temperature 39.0°C (... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old male presents to the clinic. The patient has begun taking large doses of vitamin E in order to slow down the aging process and increase his sexual output. He has placed himself on this regimen following reading a website that encouraged this, without consulting a healthcare professional. He ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man with a history of hypertension, diabetes, and hyperlipidemia was successfully managed for acute myocardial infarction involving the left anterior descending artery. Eight months after his discharge home, an echocardiogram reveals the presence of a ventricular aneurysm. The patient subseq... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man presents to his physician with weakness and fatigue for 1 week. There is no significant past medical history. He mentions that he is very health conscious and has heard about the health benefits of juices. He is following a juice-only diet for the last 2 weeks. His physical examination i... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old boy is brought to the physician for a well-child examination. He started walking at 20 months of age. He can use a cup to drink but cannot use silverware. He speaks in 2-word sentences and can build a tower of 4 blocks. He can scribble but cannot draw a circle. He is above the 99th percentile... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 78-year-old man suffers a fall in a nursing home and is brought to the emergency room. A right hip fracture is diagnosed, and he is treated with a closed reduction with internal fixation under spinal anesthesia. On the second postoperative day, the patient complains of pain in the lower abdomen and stat... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old woman with a history of multiple sclerosis is brought to the physician because of dizziness, urinary incontinence, loss of vision in her right eye, and numbness and weakness of the left leg. She has had recurrent episodes of neurological symptoms despite several changes in her medication reg... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> An 85-year-old man with terminal stage colon cancer formally designates his best friend as his medical durable power of attorney. After several courses of chemotherapy and surgical intervention, the patient’s condition does not improve, and he soon develops respiratory failure. He is then placed on a vent... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 8-month-old boy is brought to the physician for the evaluation of shortening of his arms and legs. The parents report that they have also noticed that their son's head is progressively enlarging. The patient was born at term via vaginal delivery. There is no personal or family history of serious illness... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old primigravida presents to her physician for a prenatal visit. She has a positive pregnancy test 1 week ago. The estimated gestational age is 16 weeks. She has no complaints. She has a history of type 1 diabetes mellitus and takes insulin for glucose control. The urine dipstick test shows 3+ g... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old boy comes to the physician for a routine health maintenance examination. He feels well. He has no history of serious illness. He is at the 60th percentile for height and weight. Vital signs are within normal limits. The lungs are clear to auscultation. A grade 3/6 ejection systolic murmur is... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man comes to the physician with throbbing right scrotal pain for 1 day. He has also had a burning sensation on urination during the last 4 days. He is sexually active with multiple female partners and does not use condoms. Physical examination shows a tender, palpable swelling on the upper p... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 76-year-old male presents to his primary care physician because he is concerned about changes in urination. Over the last few months, he has noticed increased urinary frequency as well as difficulty with initiating and stopping urination. He denies having pain with urination. Physical exam reveals a uni... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old woman presents with an irregular menstrual cycle. She says that her menstrual cycles have been light with irregular breakthrough bleeding for the past three months. She also complains of hair loss and increased the growth of facial and body hair. She had menarche at 11. Vital signs are withi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man presents to the emergency department with a severe headache. The patient states he gets sudden, severe pain over his face whenever anything touches it, including shaving or putting lotion on his skin. He describes the pain as electric and states it is only exacerbated by touch. He is cur... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old girl is brought to the emergency department because of right elbow swelling and pain 30 minutes after falling onto her outstretched right arm. She has been unable to move her right elbow since the fall. Physical examination shows bruising, swelling, and tenderness of the right elbow; range of... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man presents to the emergency department for feeling weak for the past week. He states that he has felt much more tired than usual and has had a subjective fever during this time. The patient has a past medical history of IV drug use, hepatitis C, atrial fibrillation, cirrhosis, alcohol depe... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 71-year-old woman comes to the physician with a 2-month history of fatigue, anorexia, abdominal swelling, shortness of breath, and a 5-kg (11-lb) weight loss. She appears chronically ill. Examination shows jaundice, bilateral temporalis muscle wasting, hepatosplenomegaly, and tense ascites. Ultrasonogra... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man comes to the physician in July for a routine health maintenance examination. He is a retired teacher and lives in a retirement community. He has hypercholesterolemia, hypertension, and osteoarthritis of the left knee. Last year, he was diagnosed with chronic lymphocytic leukemia. A colon... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old man is brought to the emergency department after suffering a motor vehicle accident as the passenger. He had no obvious injuries, but he complains of excruciating right hip pain. His right leg is externally rotated, abducted, and extended at the hip and the femoral head can be palpated anter... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old man comes to the physician because of increasing difficulty achieving an erection for 6 months. During this period, he has had to reduce his hours as a construction worker because of pain in his lower back and thighs and a progressive lower limb weakness when walking for longer distances. Hi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old woman presents to the primary care physician with a complaint of painless hematuria over the last 5 days. History reveals that she has a 20 pack-year smoking history, and her last menses was 10 days ago. Her blood pressure is 130/80 mm Hg, heart rate is 86/min, respiratory rate is 19/min, an... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> In an experiment, a certain gene product is known to stimulate the production of a particular hormone synthesized in the liver. This hormone, when present in increased amounts, downregulates the expression of a divalent cation transmembrane transporter located on the basolateral membranes of enterocytes. ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old homeless man presents to a free clinic complaining of several weeks of bleeding gums. He states that he has not seen dental or medical care for several years and that the bleeding has been painless. He normally sleeps on the street or occasionally stays at a shelter and typically eats 1-2 fa... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old boy presents to his pediatrician for severe developmental delay. On exam he is noted to have macroorchidism, hypertelorism, large protruding ears, a large jaw, and a long thin face. Suspicious of what the diagnosis may be, the pediatrician orders a PCR and DNA sequencing. The results reveal a... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old African-American boy is brought to the physician because of a 4-week history of left groin and buttock pain. The pain is worse with activity but also present at rest. He has had many episodes of abdominal, back, and chest pain that required hospitalization in the past. He is at the 20th perc... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old woman comes to the physician because of a 6-month history of dull, persistent pain and swelling of her right leg. The pain is worse at the end of the day and is relieved by walking or elevating her feet. Two years ago, she developed acute deep vein thrombosis in her right calf after a long f... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old woman comes to the physician because of an 8-month history of occasional tremor. The tremor is accompanied by sudden restlessness and nausea, which disrupts her daily work as a professional violinist. The symptoms worsen shortly before upcoming concerts but also appear when she goes for a wa... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old man with a past medical history of sleep apnea presents to the emergency room in severe respiratory distress. On exam, his blood pressure is 135/75 mmHg, heart rate is 110/min, respiratory rate is 34/min, and SpO2 is 73% on room air. He is intubated, admitted to the intensive care unit, and ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old man is brought to the emergency department 20 minutes after his wife found him unconscious on the bathroom floor. On arrival, he is conscious and alert. He remembers having palpitations and feeling lightheaded and short of breath before losing consciousness. He takes captopril for hypertensi... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old woman, gravida 2, para 1, at 24 weeks' gestation is brought to the emergency department by her husband for lethargy, nausea, and vomiting for 4 days. She returned from a trip to South Asia 2 weeks ago. Her immunizations are up-to-date and she has never received blood products. Her temperatur... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-year-old boy, otherwise healthy, presents with persistent bleeding following tooth extraction. The patient’s mother states that yesterday, the patient had a tooth extracted that was complicated intraoperatively by persistent bleeding that continued postoperatively. She also says he has had no bleeding... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old man comes to the physician with a 4-week history of fatigue, crampy abdominal pain, watery diarrhea, and pain in his mouth and gums. He returned from a 2-week trip to the Dominican Republic 2 months ago. He has smoked one pack of cigarettes daily for 45 years. Examination shows three 1.5-cm,... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old girl is admitted to the hospital due to muscle weakness, pain, and arthralgia in her wrist joints. The patient says, "I am having trouble walking home after school, especially climbing steep hills." She also complains of malaise. On physical examination, a heliotrope rash is observed around ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> You are a resident in the surgical ICU. One of the patients you are covering is a 35-year-old pregnant G1P0 in her first trimester admitted for complicated appendicitis and awaiting appendectomy. Your attending surgeon would like you to start the patient on moxifloxacin IV preoperatively. You remember fro... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> Six hours after delivery, a 3100-g (6-lb 13-oz) male newborn has an episode of bilious projectile vomiting. He was born at term to a 21-year-old woman. The pregnancy was complicated by polyhydramnios. The mother smoked a pack of cigarettes daily during the pregnancy. Physical examination shows a distended... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old woman presents to the physician with complaints of fatigue accompanied by symmetric pain, swelling, and stiffness in her wrists, fingers, knees, and other joints. She describes the stiffness as being particularly severe upon awakening, but gradually improves as she moves throughout her day. ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A P2G1 diabetic woman is at risk of delivering at 29 weeks gestation. Her obstetrician counsels her that there is a risk the baby could have significant pulmonary distress after it is born. However, she states she will give the mother corticosteroids, which will help prevent this from occurring. Additiona... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old man presents with progressive muscle weakness for the past 6 hours. He says he had significant bilateral ankle pain which onset shortly after completing a triathlon earlier in the day. Then, he says he awoke this morning with bilateral upper and lower extremity weakness, which has progressiv... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old man with a history of Alzheimer dementia presents to the emergency department with a change in his behavior. The patient has been more confused recently and had a fever. Upon presentation, he is too confused to answer questions. His temperature is 103°F (39.4°C), blood pressure is 102/68 mmH... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old woman comes to the physician because of a 3-week history of fatigue and worsening back and abdominal pain. During this period, she has also had excessive night sweats and a 4.6-kg (10-lb) weight loss. She has had swelling of the neck for 3 days. She does not smoke or drink alcohol. Vital sig... | B |
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