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Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old male comes to the physician because of a 2-month history of excessive sleepiness. He reports that he has been sleeping for an average of 10 to 12 hours at night and needs to take multiple naps during the day. Six months ago, he was diagnosed with small cell lung carcinoma and underwent proph... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old man with AIDS comes to the physician because of a 3-week history of intermittent fever, abdominal pain, and diarrhea. He has also had a nonproductive cough and a 3.6-kg (8-lb) weight loss in this period. He was treated for pneumocystis pneumonia 2 years ago. He has had skin lesions on his ch... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A genetic counselor sees a family for the first time for genetic assessment. The 24-year-old businessman and his 19-year-old sister are concerned about having a mutant allele and have decided to get tested. Their grandfather and great aunt both have Huntington’s disease which became apparent when they tur... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old woman comes to the physician because of a 1-day history of fever, chills, and double vision. She also has a 2-week history of headache and foul-smelling nasal discharge. Her temperature is 39.4°C (103°F). Examination shows mild swelling around the left eye. Her left eye does not move past mi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-year-old boy with bronchial asthma is brought to the physician by his mother because of a generalized rash for 2 days. He has also had a fever and sore throat for 4 days. The rash involves his whole body and is not pruritic. His only medication is a fluticasone-salmeterol combination inhaler. He has ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man undergoes an esophagogastroduodenoscopy for his recurrent episodes of epigastric pain. He also lost a significant amount of weight in the last 6 months. He says that he has been taking a number of dietary supplements "to cope". His past medical history is insignificant, and a physical ex... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old G1P0 woman at 22 weeks’ gestation presents to the emergency department with persistent vomiting over the past 8 weeks which has resulted in 5.5 kg (12.1 lb) of unintentional weight loss. She has not received any routine prenatal care to this point. She reports having tried diet modification ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old man presents to the emergency department with lower extremity weakness. He was in his usual state of health until 10 days ago. He then began to notice his legs were “tiring out” during his workouts. This progressed to difficulty climbing the stairs to his apartment. He has asthma and uses al... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old man is brought to the physician by his wife for forgetfulness, confusion, and mood changes for the past 4 months. His symptoms started with misplacing items such as his wallet and keys around the house. Two months ago, he became unable to manage their finances as it became too difficult for ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A medical student is studying digestive enzymes at the brush border of the duodenum. He isolates and inactivates an enzyme in the brush border that has a high affinity for the pancreatic proenzyme trypsinogen. When the enzyme is inactivated, trypsinogen is no longer converted to its active form. Which of ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-year-old boy is brought to the emergency department by his grandmother because of difficulty breathing. Over the past two hours, the grandmother has noticed his voice getting progressively hoarser and occasionally muffled, with persistent drooling. He has not had a cough. The child recently immigrated... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man has worsening suprapubic discomfort 36 hours after undergoing a hemorrhoidectomy under spinal anesthesia. He reports that he has not urinated since the procedure. Examination shows a palpable bladder 4 cm above the symphysis pubis. He is treated with a drug that directly increases detrus... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old woman presents with a lack of concentration at work for the last 3 months. She says that she has been working as a personal assistant to a manager at a corporate business company for the last 2 years. Upon asking why she is not able to concentrate, she answers that her colleagues are always ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old man comes to the emergency department complaining of fatigue and abdominal distension. He has a remote history of intravenous drug use. Vital signs include a normal temperature, blood pressure of 120/80 mm Hg, and a pulse of 75/min. Physical examination reveals jaundice and a firm liver. Abd... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is brought into the emergency department after he was found at home by his mother possibly drinking bleach from under the sink. The child consumed an unknown amount and appears generally well. The child has an unremarkable past medical history and is not currently taking any medications. ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man is discharged from the hospital after being treated for a ST-elevation myocardial infarction. The patient became hypotensive to 87/48 mmHg with a pulse of 130/min. He was properly resuscitated, and a cardiac catheterization with stent placement was performed. Upon being discharged, the p... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old boy presents to his pediatrician because he has noticed white plaques forming on his tongue over the last 5 days. He recently returned from a boy scout trip where he traveled across the country and hiked through the woods. His past medical history is significant for asthma for which he uses ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old male is brought into the emergency room by emergency medical services due to a stab wound in the chest. The wound is located superior and medial to the left nipple. Upon entry, the patient appears alert and is conversational, but soon becomes confused and loses consciousness. The patient's b... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old boy is brought in by his mother because she is concerned that he has been “acting differently recently”. She says he no longer seems interested in playing with his friends from preschool, and she has noticed that he has stopped making eye contact with others. In addition, she says he flaps hi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52 year-old woman comes to the physician because of intense retrosternal chest pain for the last three days. The pain is worse with breathing or coughing, and improves while sitting upright. She also reports a mild fever and shortness of breath. She was diagnosed with chronic kidney disease secondary to... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 83-year-old man presents to the gastroenterologist to follow-up on results from a biopsy of a pancreatic head mass, which the clinician was concerned could be pancreatic cancer. After welcoming the patient and his wife to the clinic, the physician begins to discuss the testing and leads into delivering... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman has a history of mild epigastric pain, which seems to have gotten worse over the last month. Her pain is most severe several hours after a meal and is somewhat relieved with over-the-counter antacids. The patient denies abnormal tastes in her mouth or radiating pain. She does not take ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 20-year-old girl presents to a physician following unprotected coitus with her boyfriend about 10 hours ago. She tells the doctor that although they usually use a barrier method of contraception, this time they forgot. She does not want to become pregnant. She also mentions that she has major depression... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man comes to his physician with a history of fever, non-bloody diarrhea, and headache for 10 days. He also complains of anorexia and abdominal pain. He returned from a trip to India 3 weeks ago. His temperature is 40.0°C (104.0°F), pulse is 65/min, respirations are 15/min, and blood pressure... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An otherwise healthy 25-year-old man comes to the physician because of a 3-month history of intermittent palpitations and worsening shortness of breath on exertion. He has not had chest pain or nocturnal dyspnea. The patient is 195 cm (6 ft 5 in) tall and weighs 70 kg (154 lbs); BMI is 18.4 kg/m2. His pul... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old boy is brought to the clinic by his mother with a history of fever for the past 3 days, yellow nasal discharge, and a severe earache in the right ear. He has no prior history of ear infections and is otherwise healthy. The physician suspects that the infectious agent is Streptococcus pneumoni... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old woman is brought to the emergency room by her husband because of severe dyspnea and dizziness. Her symptoms started suddenly 30 minutes ago. She appears distressed. Arterial blood gas shows a pH of 7.51, pO2 of 100 mm Hg, and a pCO2 of 30 mm Hg. Which of the following is the most likely caus... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old man is brought to the emergency department 30 minutes after falling from the roof of a construction site. He reports abdominal and right-sided flank pain. His temperature is 37.1°C (98.8°F), pulse is 114/min, and blood pressure is 100/68 mm Hg. Physical examination shows numerous ecchymoses ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old female medical professional who works for a non-governmental organization visits her primary care provider for a routine health check-up. She made a recent trip to Sub-Saharan Africa where she participated in a humanitarian medical project. Her medical history and physical examination are un... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-day-old newborn male delivered at 38 weeks' gestation is evaluated for poor feeding and irritability. His temperature is 35°C (95°F), pulse is 168/min, respirations are 80/min, and blood pressure is 60/30 mm Hg. Blood culture on sheep agar grows motile, gram-positive bacteria surrounded by a narrow cl... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old woman presents to the emergency department with sudden onset of lower limb weakness for the past 2 days. She says she also hasn’t been able to urinate for that same period. There is no history of trauma, fever, weight loss, recent respiratory tract infection, or diarrhea. She has a past medi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old man is brought to the emergency department because he was found down on a city sidewalk. Upon presentation he is found to be disheveled with multiple poorly healed wounds on his hands and feet. He has had dozens of previous presentations for alcohol intoxication and is currently known to be ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old woman presents to the emergency department with a history of fever and vomiting for 2 days and severe headache for a day. Past medical history is significant for migraine diagnosed 10 years ago, but she reports that her current headache is different. She describes the pain as generalized, du... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old man is being evaluated for an acquired defect of the myeloid stem cell line with a mutation in the PIG-A gene. His diagnosis was first suspected due to anemia and recurrent pink-tinged urine. Which of the markers will be negative in the flow cytometry test for his condition? ---- <<Choices:>... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A team of epidemiologists is investigating an outbreak of hemolytic uremic syndrome (HUS) caused by Shiga toxin-producing E. coli O104:H4. In Europe, multiple episodes of illness were reported in May 2017 within a large extended family of 16 family members, who all attended a family reunion in late April ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man is brought to the emergency department 6 hours after rescuing babies and puppies from a burning daycare center. He says that he has a severe headache, feels nauseous and dizzy. He is tachypneic. An arterial blood gas shows pH 7.3, PaCO2 49 mmHg, PaO2 80 mmHg. Serum lactate level is 6 mmo... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old woman with a history of hepatitis C cirrhosis complicated by esophageal varices, ascites, and hepatic encephalopathy presents with 1 week of increasing abdominal discomfort. Currently, she takes lactulose, rifaximin, furosemide, and spironolactone. On physical examination, she has mild aster... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old girl is brought to the physician by her parents for the evaluation of pubic hair development. She has a history of a fracture in each leg and one fracture in her right arm. Her performance at school is good. There is no family history of serious illness. She takes no medications. Vital signs ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old man with aortic valve disease is admitted to the hospital for a 3-week history of progressively worsening fatigue, fever, and night sweats. He does not smoke, drink alcohol, or use illicit drugs. Temperature is 38.2°C (100.8°F). Physical examination shows a systolic murmur and tender, erythe... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman presents to the emergency department after being found unresponsive by her friends. The patient is an IV drug user and her friends came over and found her passed out in her room. The patient presented to the emergency department 2 days ago after being involved in a bar fight where she ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old woman presents to her primary care physician with a chief complaint of diffuse muscle aches and pains. She states that she has trouble doing everyday tasks such as showering, cooking, and cleaning due to the pain. The patient has a past medical history of anxiety and bulimia nervosa and is c... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old man presents with a history of lightheadedness, weakness, and palpitations when he assumes an upright position from a supine position. He is otherwise a healthy man without a history of alcohol or other substance abuse. His supine and standing blood pressures (measured at 3-minute intervals)... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A tall, slender 32-year-old man comes to the emergency room because of sudden chest pain, cough, and shortness of breath. On physical examination, he has decreased breath sounds on the right. Chest radiography shows translucency on the right side of his chest. His pCO2 is elevated and pO2 is decreased. Wh... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old woman presents with dyspnea on exertion. She reports that she used to work in her garden without any symptoms, but recently she started to note dyspnea and fatigue after working for 20–30 minutes. She has type 2 diabetes mellitus diagnosed 2 years ago but she does not take any medications pr... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 77-year-old woman with congestive heart failure is admitted to the hospital for evaluation prior to cardiac transplantation. During her stay at the hospital, the physician prescribes a drug to improve cardiac contractility. The drug works by selectively inhibiting an isoenzyme that is responsible for th... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old woman comes to her physician because of fatigue. She has been coming to the office multiple times a month for various minor problems over the past six months. During the appointments, she insists on a first name basis and flirts with her physician. She always dresses very fashionably. When h... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old man comes to the physician for evaluation of progressively worsening back pain that began about 2 months ago. It started as a dull pain that has now developed into a constant throbbing pain that makes falling asleep difficult. Ibuprofen and acetaminophen do not provide relief. The patient ha... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man comes to the physician because of fatigue and swelling of the lower legs for 3 weeks. One year ago, he had an 85% stenosis in the left anterior descending artery, for which he received 2 stents. He was diagnosed with hepatitis C 5 years ago. He has type 2 diabetes mellitus and arterial h... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old girl comes to the physician because of a 1-week history of severe itching in the area of her genitals. She reports that the itching is most severe at night. She has been sexually active with three partners over the past year; she uses condoms for contraception. Her current sexual partner is ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 15-year-old boy is brought to the emergency department after he passed out in the hallway. On presentation, he is alert but confused about why he is in the hospital. He says that he remembers seeing flashes of light to his right while walking out of class but cannot recall what happened next. His next ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A clinical study is performed to examine the effect of smoking on the development of pulmonary hypertension (PAH) in a sample of 40-year-old women. A group of 1,000 matched healthy subjects (500 controls; 500 smokers) were monitored for the development of (PAH) from enrollment to death. The data from the ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 41-year-old man with a history of hypertension and hyperlipidemia is brought to the emergency department by his wife for difficulty breathing after choking on food at dinner. He is unconscious and pulseless on arrival. Despite appropriate life-saving measures, he dies. Examination of the heart shows a n... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-month-old girl is brought to the emergency department by her father after he observed jerking movements of her arms and legs earlier in the day. She appears lethargic. Physical examination shows generalized hypotonia. The liver edge is palpable 3 cm below the right costophrenic angle. Her fingerstick ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old male reports several years of asbestos exposure while working in the construction industry. He reports smoking 2 packs of cigarettes per day for over 20 years. Smoking and asbestos exposure increase the incidence of which of the following diseases? ---- <<Choices:>> A) Chronic bronchitis B) ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old woman presents for a sports physical. She says he feels healthy and has no concerns. Past medical history is significant for depression and seasonal allergies. Current medications are fluoxetine and oral estrogen/progesterone contraceptive pills. Family history is significant for a sister wi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old man comes to the physician for a routine health maintenance examination. He has no complaints and has no history of serious illness. He works as a forklift operator in a factory. His brother died of malignant melanoma. He smokes occasionally and drinks a glass of wine once a week. His pulse ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old boy is brought to the emergency department after losing consciousness. His parents report that he collapsed and then had repetitive, twitching movements of the right side of his body that lasted approximately one minute. He recently started to walk with support. He speaks in bisyllables and h... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old girl is brought to the pediatrician by her parents for red papules over her left thigh and swelling in the right axilla for the past few days. Her parents say that she had a cat bite on her left thigh 2 weeks ago. Her temperature is 38.6°C (101.4°F), pulse is 90/min, and respirations are 22/m... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-month-old girl is brought to the physician because of a red lesion on her scalp that was first noticed 2 months ago. The lesion has been slowly increasing in size. It is not associated with pain or pruritus. She was born at 37 weeks' gestation after an uncomplicated pregnancy and delivery. Her older s... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old female complains of abnormal facial hair growth. This has been very stressful for her, especially in the setting of not being happy with her weight. Upon further questioning you learn she has a history of type 2 diabetes mellitus. Her height is 61 inches, and weight is 185 pounds (84 kg). Ph... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old woman presents to her physician with intractable bone pain, poor appetite, and hiccups. She says symptoms began 3 months ago and have progressively worsened. She also complains of chest pain, generalized pruritus, and dryness of her skin. Past medical history is significant for frequent frac... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old woman comes to the physician because of frequent headaches and blurring of vision. She also complains of weight gain, menstrual irregularities, and excessive growth of body hair. She says that, for the first time since she turned 18, her shoe and ring sizes have increased, and also complains... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying a local anesthetic that activates both alpha and beta adrenergic receptors. When given intravenously, it causes euphoria and pupillary dilation. Which of the following is the most likely effect of this drug at the synaptic cleft? ---- <<Choices:>> A) Increased release of norepi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old male is brought into the emergency department for a trauma emergency. The emergency medical services states that the patient was wounded with a knife on his upper left thigh near the inguinal ligament. Upon examination in the trauma bay, the patient is awake and alert. His physical exam and ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Five days after undergoing surgical repair of a hip fracture, a 71-year-old man is agitated and confused. Last night, he had to be restrained multiple times after attempting to leave his room. His overnight nurse reported that at times he would be resting, but shortly afterward he would become agitated ag... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 18-year-old man presents to a rural emergency department after being stabbed multiple times. The patient's past medical history is notable for obesity, diabetes, chronic upper respiratory infections, a 10 pack-year smoking history, and heart failure. He is protecting his airway and he is oxygenating an... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-year-old boy is brought in by his mother with increasing abdominal pain for the past week. The patient’s mother says he has been almost constantly nauseous over that time. She denies any change in his bowel habits, fever, chills, sick contacts or recent travel. The patient has no significant past med... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman seeks evaluation at an urgent care clinic with complaints of fever and generalized muscle and joint pain for the past 3 days. She also complains of nausea, but denies vomiting. She does not mention any past similar episodes. Her past medical history is unremarkable, but she returned to... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old man presents with a complaint of breathlessness while jogging. He says that he recently started marathon training. He does not have any family history of asthma nor has any allergies. He currently takes no medication. The blood pressure is 120/80 mm Hg, and the heart rate is 67/min. With eac... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man comes to the physician for evaluation of an increasing right-sided cheek swelling for 2 years. He has had recurrent right-sided oral ulcers for the past 2 months. He has smoked a pack of cigarettes daily for 30 years. He drinks a beer every night. His temperature is 37.1°C (98.8°F), puls... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man comes to the physician because of a 6-month history of shortness of breath and nonproductive cough. He has smoked 1 pack of cigarettes daily for 15 years. Cardiopulmonary examination shows fine inspiratory crackles bilaterally. There is clubbing present in the fingers bilaterally. Pulmon... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man comes to the physician because of a 5-day history of fever, malaise, and right upper abdominal pain. Examination of the abdomen shows tenderness in the right upper quadrant. His leukocyte count is 18,000/mm3 (90% neutrophils) and serum alkaline phosphatase is 130 U/L. Ultrasonography of ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old male presents to the physician's office complaining of an inability to push doors open. He has had this problem since he was playing football with his children and was tackled underneath his right arm on his lateral chest. On examination, he has a winged scapula on the right side. Which of t... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 52-year-old man comes to the physician because of a 4-month history of recurrent abdominal pain, foul-smelling, greasy stools, and a 5-kg (11-lb) weight loss despite no change in appetite. Physical examination shows pain on palpation of the right upper quadrant. His fasting serum gluc... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old man comes to the physician for a follow-up examination after being diagnosed with localized prostate cancer 3 weeks ago. The physician is delayed because of an emergency with another patient; miscommunication between the physician and his staff created further delays. When he enters the pati... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old woman presents to her primary care provider for follow-up of her glucose levels. At her last visit 3 months ago, her fasting serum glucose was 128 mg/dl. At that time, she was instructed to follow a weight loss regimen consisting of diet and exercise. Her family history is notable for a myoc... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman, G1P0, at 22 weeks of gestation presents to the clinic for a prenatal visit. Her recent pregnancy scan shows a single live intrauterine fetus with adequate fetal movements. Facial appearance shows the presence of a cleft lip. The rest of the fetal development is within normal limits. T... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-year-old boy is brought to the pediatrician by his mother for evaluation. Last night, he was playing with his younger brother and a hot cup of coffee fell on his left shoulder. Though his skin became red and swollen, he acted as if nothing happened and did not complain of pain or discomfort. He has m... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 61-year-old woman comes to the physician because of a constant, dull headache and generalized body pains for the past 8 months. She has also had difficulty hearing from her left side, which started a month after the onset of the headaches. Five months ago, she had surgery to correct a fracture of the ri... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man comes to the physician because of a 1-month history of progressive back pain. He has also had a 5-kg (11-lb) weight loss over the past 3 months. His only medications are a daily multivitamin and ibuprofen, which he takes daily for the back pain. Physical examination shows tenderness to p... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Background: Beta-blockers reduce mortality in patients who have chronic heart failure, systolic dysfunction, and are on background treatment with diuretics and angiotensin-converting enzyme inhibitors. We aimed to compare the effects of carvedilol and metoprolol on clinical outcome. Methods: In a multicen... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man is brought into the emergency department by ambulance. The patient was at an appointment to receive welfare when he began acting abnormally. The patient was denied welfare. Shortly afterwards, he no longer responded to questions and stared blankly off into space, not responding to verbal... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 89-year-old woman presents to clinic complaining of a cough. She reports that she has never had a cough like this before. She takes a deep breath and then coughs multiple times, sometimes so much that she vomits. When she tries to catch her breath after a coughing spell, she has difficulty. She reports... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old Caucasian female presents to her physician for episodes of urinary incontinence that began shortly after a breakup with her boyfriend. She claimed to be psychologically devastated when she found him sleeping with her brother and has had trouble caring for herself ever since. The patient stat... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man presents with an ulcer on his penis. He says that he noticed the ulcer a week ago while taking a shower and it has not improved. He denies any pain, penile discharge, rash, dysuria, fever, or pain on urination. His past medical history is nonsignificant. Sexual history reveals that the p... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old man presents to his physician’s office with a sudden increase in urinary frequency. During the past month, he has observed that he needs more frequent bathroom breaks. This is quite unusual as he hasn’t been consuming extra fluids. He reports feeling generally unwell over the past 2 months. ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old man presents to his primary care physician endorsing three months of decreased sleep. He reports an inability to fall asleep; although once asleep, he generally sleeps through the night and wakes up at a desired time. He has instituted sleep hygiene measures, but this has not helped. He has ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A mother brings her 3-year-old son to his pediatrician because he is having tantrums. The boy has no history of serious illness and is on track with developmental milestones. His mother recently returned to work 2 weeks ago. She explains that, since then, her son has had a tantrum roughly every other morn... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old woman comes to the physician because of a 3-month history of progressive fatigue, shortness of breath, and pain in her knees and ankles. Her temperature is 37.6°C (99.7°F). Physical examination shows mild hepatomegaly and tender, red nodules on her shins. There are purple, indurated lesions ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old man presents to the ambulatory medical clinic with symptoms of dysphagia and ‘heartburn’, which he states have become more troublesome over the past year. Past medical history is significant for primary hypertension. On physical exam, he is somewhat tender to palpation over his upper abdomen... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 71-year-old man presents to his cardiologist with a 1-month history of increasing shortness of breath. He says that he is finding it very difficult to walk up the flight of stairs to his bedroom and he is no longer able to sleep flat on his bed because he wakes up choking for breath. His past medical hi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old farmer presents to a physician with painless, black, severely swollen pustules on the left hand. Examination reveals extensive swelling around the wound. Microscopy reveals gram-positive bacilli with a bamboo stick appearance. Culture shows large, gray, non-hemolytic colonies with irregular ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old woman comes to the physician because of a 4-month history of vulvar itching and dryness. During this period, she has also had pain during sexual intercourse but no postcoital bleeding. Her last menstrual period was at the age of 51 years. She has type 2 diabetes mellitus and her only medicat... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A male newborn delivered at 32 weeks' gestation to a 41-year-old woman dies shortly after birth. The mother did not receive prenatal care and consistently consumed alcohol during her pregnancy. At autopsy, examination shows microcephaly, an eye in the midline, a cleft lip, and a single basal ganglion. Fai... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> In 2013 the national mean score on the USMLE Step 1 exam was 227 with a standard deviation of 22. Assuming that the scores for 15,000 people follow a normal distribution, approximately how many students scored above the mean but below 250? ---- <<Choices:>> A) 3,750 B) 4,500 C) 5,100 D) 6,750 ---- <<Answe... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old man with a past medical history significant for hyperlipidemia, hypertension, and hyperhomocysteinemia presents to the emergency department complaining of 10/10 crushing, left-sided chest pain radiating down his left arm and up his neck into the left side of his jaw. His ECG shows ST-segment... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old man is brought to the emergency department because of fever, chills, shortness of breath, chest pain, and a productive cough with bloody sputum for the past several days. He has metastatic pancreatic cancer and is currently undergoing polychemotherapy. His temperature is 38.3°C (101°F). Pulm... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-month-old girl is brought to the physician by her mother because of fever and irritability for the past 2 days. The mother says that the girl's diapers have smelled bad since the symptoms started. The patient has had some clear nasal secretions over the past week. Two months ago, she was brought to t... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old woman presents to the physician because of abdominal discomfort, weakness, and fever. She has had a significant weight loss of 15 kg (33.1 lb) over the past 2 months. She has no history of medical illness and is not on any medications. Her pulse is 96/min, the blood pressure is 167/92 mm Hg,... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man presents to the office for a regular health checkup. He was diagnosed with type 2 diabetes mellitus 6 years ago and has been taking metformin alone. Over the past year, his daily blood glucose measurements have gradually been increasing. During his previous visit, his HbA1c level was 7.9... | B |
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