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Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 61-year-old man comes to the physician because of bilateral knee pain for the past year. The pain is worse with movement and is relieved with rest. Physical examination shows crepitus, pain, and decreased range of motion with complete flexion and extension of both knees. There is no w... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A researcher is studying how electrical activity propagates across the heart. In order to do this, he decides to measure the rate at which an action potential moves within various groups of cardiac muscle tissue. In particular, he isolates fibers from areas of the heart with the following characteristics:... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old nulligravid woman and her 33-year-old husband come to the physician for genetic counseling prior to conception. The husband has had severe psoriasis since adolescence that is now well-controlled under combination treatment with UV light therapy and etanercept. His father and two brothers als... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year old woman comes to the physician for a rash that began 5 days ago. The rash involves her abdomen, back, arms, and legs, including her hands and feet. Over the past month, she has also had mild fever, headache, and myalgias. She has no personal history of serious illness. She smokes 1 pack of cig... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old woman seeks evaluation at a clinic with a complaint of right upper abdominal pain for greater than 1 month. She says that the sensation is more of discomfort than pain. She denies any history of weight loss, changes in bowel habit, or nausea. Her medical history is unremarkable. She takes or... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old woman presents to her physician for a routine check-up. She says she is planning to get pregnant. Past medical history is significant for arterial hypertension. Current medications are enalapril. The physician explains that this medication can be teratogenic. He changes her antihypertensive ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old woman comes to the primary care physician because she has felt nauseous and fatigued for 3 weeks. Menses occur at irregular 24- to 33-day intervals and last for 4–6 days. Her last menstrual period was 7 weeks ago. Her temperature is 37°C (98.6°F), pulse is 95/min, and blood pressure is 100/7... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old primigravid woman at 34 weeks' gestation comes to the emergency department because of progressive shortness of breath for 3 hours. At a prenatal visit 2 weeks earlier, she was diagnosed with gestational hypertension. Amniocentesis with chromosomal analysis was performed at 16 weeks' gestatio... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-year-old girl presents to a pediatrician because she fails to show signs of breast development. On physical examination, the pediatrician notes that her stature is shorter than expected for her age and sex. She has a webbed neck, a low posterior hairline, and a broad chest with widely spaced nipples.... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old woman is one week status post abdominal hysterectomy when she develops a fever of 101.4°F (38.6°C). Her past medical history is significant for type II diabetes mellitus and a prior history of alcohol abuse. The operative report and intraoperative cystoscopy indicate that the surgery was unc... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old man is admitted to the emergency department after a motor vehicle accident in which he sustained blunt abdominal trauma. On admission, he is conscious, has a GCS score of 15, and has normal ventilation with no signs of airway obstruction. Vitals initially are blood pressure 95/65 mmHg, heart... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man comes to the physician because of a tremor in his right hand for the past 3 months. The tremor has increased in intensity and he is unable to perform his daily activities. When he wakes up in the morning, his pillow is soaked in saliva. During this period, he has been unable to concentra... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old man returns to the hospital 3 weeks after open reduction and internal fixation of left tibia and fibula fractures from a motor vehicle accident. The patient complains that his surgical site has been draining pus for a few days, and his visiting nurse told him to go to the emergency room afte... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 76-year-old woman comes to the physician because of a sudden loss of vision in her right eye for 10 minutes that morning, which subsided spontaneously. Over the past 2 months, she has had multiple episodes of left-sided headaches and pain in her jaw while chewing. Examination shows conjunctival pallor. ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man with hypertension and gout comes to the physician with left flank pain and bloody urine for two days. He does not smoke cigarettes but drinks two beers daily. Home medications include hydrochlorothiazide and ibuprofen as needed for pain. Physical examination shows left costovertebral ang... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old woman presents to the psychiatric emergency department in restraints. She was found trying to break into a deli at midnight. The patient claims that she has an idea that will revolutionize the shipping industry. The patient is not violent but seems highly agitated and is speaking very rapidl... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old man comes to the physician with his wife because of difficulty conceiving during the past year. He emigrated from rural Romania 2 years ago and has a history of recurrent respiratory infections since childhood for which he has not sought treatment. Physical examination shows mild hepatomegal... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> You examine an infant in your office. On exam you observe hypotonia, as well as the findings shown in Figures A and B. You order laboratory testing, which demonstrates the findings shown in Figure C. Which of the following is the most likely pathologic mechanism involved? ---- <<Choices:>> A) Accumulation... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A research study is comparing 2 novel tests for the diagnosis of Alzheimer’s disease (AD). The first is a serum blood test, and the second is a novel PET radiotracer that binds to beta-amyloid plaques. The researchers intend to have one group of patients with AD assessed via the novel blood test, and the ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man presents with fever, abdominal pain, nausea, and bloody diarrhea. He says that his symptoms started 36 hours ago and have not improved. Past medical history is significant for a left-leg abscess secondary to an injury he sustained from a fall 4 days ago while walking his dog. He has been... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old man with a history of a stab wound to the right upper thigh one year previously presents to the emergency department with complaints of difficulty breathing while lying flat. Physical examination reveals an S3 gallop, hepatomegaly, warm skin and a continuous bruit over the right upper thigh.... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man presents to the emergency department with sudden-onset dyspnea, tachycardia, tachypnea, and chest pain. He works as a long-haul truck driver, and he informs you that he recently returned to the west coast from a trip to Tennessee. His medical history is significant for gout, hypertension... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old boy is brought to the emergency department by his mother with an itchy rash on his trunk, malaise, and fever with spikes up to 38.5°C (101.3°F) for the past 2 weeks. The patient’s mother says she tried giving him Tylenol with little improvement. Past medical history includes a spontaneous vag... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman comes to the emergency department with recurrent episodes of shaking, sweating, and palpitations. The patient is confused and complains of hunger. One week ago, she had similar symptoms that improved after eating. She has hypertension and a history of biliary pancreatitis. She underwen... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A randomized controlled trial is conducted to evaluate the relationship between the angiotensin receptor blocker losartan and cardiovascular death in patients with congestive heart failure (diagnosed as ejection fraction < 30%) who are already being treated with an angiotensin-converting enzyme (ACE) inhi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old man presents to an urgent care clinic with complaints of speech problems and yellowing of his eyes for a week. He admits to using illicit intravenous drugs. His vital signs include: blood pressure 110/60 mm Hg, pulse rate 78/min, and respiratory rate 22/min. On examination, the patient appea... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old-female presents with a flattened, reddish 2 cm lump located at the base of the tongue. The patient's mother reports her having trouble swallowing, often leading to feeding difficulties. The mother also reports lethargy, constipation, dry skin, and hypothermia. Which of the following is the mo... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 61-year-old man comes to the physician because of fatigue, diarrhea, and crampy abdominal pain for 3 weeks. The abdominal pain is worse after eating. During the past week, he has had up to 4 watery stools daily. He has also had pain in his mouth and gums for 6 days. He has not had nausea, vomiting, or f... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old man is brought to the emergency department by his wife because of a 3-day history of increasing confusion and lethargy. He complains of decreased urine output and abdominal pain for the past month. Two months ago, he was hospitalized for pyelonephritis and treated with ceftriaxone. He has a ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> An 8-year-old male presents to his pediatrician for a follow-up appointment for persistent fatigue. His mother reports that the patient’s teacher called her yesterday to tell her that her son has been sitting out of recess every day for the past week. The patient first developed symptoms of fatigue and we... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old G3P3 woman with a history of migraines presents with several weeks of headaches. The headaches are unlike her usual migraines and are worse in the morning. This morning she had an episode of emesis prompting her to seek medical care. She also has some right sided weakness which she believes ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old man presents with dull, continuous epigastric pain that radiates to the back in a circumscribing fashion. The history is significant for 3 episodes of acute pancreatitis that were managed conservatively. He reports no history of such episodes in his relatives and denies a family history of a... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old woman, gravida 1, para 0, at 39 weeks' gestation, is admitted to the hospital in active labor. She currently has contractions occurring every 3–5 minutes. For the past 3 days, she has had burning pain in the vulvar area associated with intense itching. Her pregnancy has been uneventful. She ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man is running on the treadmill at his gym. His blood pressure prior to beginning his workout was 110/72. Which of the following changes in his cardiovascular system may be seen in this man now that he is exercising? ---- <<Choices:>> A) Increased systemic vascular resistance B) Decreased st... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old bank manager is brought to the emergency department by ambulance after vomiting bright red blood while at work. He is also complaining of abdominal pain that is 10/10 in intensity, stabbing, and relentless. He had a similar yet less severe abdominal pain off and on for the last 2 weeks. Eati... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old man comes to the physician for evaluation of hearing loss. He reports difficulty hearing sounds like the beeping of the microwave or birds chirping, but can easily hear the pipe organ at church. He works as an aircraft marshaller. A Rinne test shows air conduction greater than bone conductio... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old primigravida presents to her obstetrician for antenatal care. She is at 24 weeks of gestation and does not have any current complaint except for occasional leg cramps. She does not smoke or drink alcohol. Family history is irrelevant. Her temperature is 36.9°C (98.42°F), blood pressure is 10... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old G1P0000 presents to her obstetrician’s office for her first prenatal visit. She had a positive pregnancy test 6 weeks ago, and her last period was about two months ago, though at baseline her periods are irregular. Aside from some slight nausea in the mornings, she feels well. Which of the f... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man comes to the physician in May for a routine health maintenance examination. He feels well. He underwent a right inguinal hernia repair 6 months ago. He has hypertension and type 2 diabetes mellitus. There is no family history of serious illness. Current medications include metformin, sit... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 14-year-old boy presents with a 1-month history of gradual onset of pain immediately below his right kneecap. He has recently started playing basketball for the junior varsity team at his school, and he is very excited for the season to begin. Unfortunately, the pain in his knee is exacerbated by all th... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man is brought to the emergency department with a sudden onset of severe chest pain, that he describes as tearing. The pain started 90 minutes back and is now referring to the upper back. There is a history of essential hypertension for the past 17 years. The patient has smoked 20–30 cigaret... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man is brought to the physician by his wife because of difficulty sleeping and poor appetite for the past 4 weeks. During this period, he also has had persistent sadness and difficulty concentrating on tasks, because of which he has been reprimanded at work for poor performance. Over the pas... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-year-old boy is referred to a pediatric neurologist because of repetitive motions such as blinking or tilting his head. He is brought in by his mother who says that he also clears his throat and hums repeatedly. These actions have been happening for the past year and his mother is concerned. The boy ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old woman presents with painful swallowing for the past 2 days. She received a kidney transplant 3 months ago for lupus-induced end-stage renal disease. She takes tacrolimus, mycophenolate mofetil, prednisone, and calcium supplements. The blood pressure is 120/80 mm Hg, the pulse is 72/min, the ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old man comes to the emergency department because of retrosternal chest pressure and shortness of breath for 4 hours. The symptoms started while he was walking to work and have only minimally improved with rest. He has a history of type 2 diabetes mellitus. He has smoked one pack of cigarettes d... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old nulliparous woman comes to the physician because of a 5-month history of increased flow and duration of her menses. Menses previously occurred at regular 32-day intervals and lasted 4 days with normal flow. They now last 10 days and the flow is heavy with the passage of clots. During this pe... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A group of investigators studying embryological defects in mice knock out a gene that is responsible for the development of the ventral wing of the third branchial pouch. A similar developmental anomaly in a human embryo is most likely to result in which of the following findings after birth? ---- <<Choic... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old male, accompanied by his uncle, presents to his family physician with his arm in a sling. There is blood dripping down his shirt. He pleads with the physician to keep this injury "off the books", offering to pay in cash for his visit, as he is afraid of retaliation from his rival gang. The p... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An otherwise healthy 27-year-old man presents to his dermatologist because of a rash over his knees. The rash has been present for 5 weeks and is moderately itchy. Physical examination reveals erythematous plaques covered with silvery scales over the extensor surface of the knees as shown in the image. Wh... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old man with a 2-year history of rheumatoid arthritis is being evaluated on a follow-up visit. He is currently on methotrexate and celecoxib for pain management and has shown a good response until now. However, on this visit, he mentions that the morning stiffness has been getting progressively ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A man appearing to be in his mid-50s is brought in by ambulance after he was seen walking on railroad tracks. On further questioning, the patient does not recall being on railroad tracks and is only able to provide his name. Later on, he states that he is a railroad worker, but this is known to be false. ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old primigravid woman at 22 weeks' gestation comes to the physician for a routine prenatal visit. Her previous prenatal visits showed no abnormalities. She has hyperthyroidism treated with methimazole. She previously smoked one pack of cigarettes daily for 15 years but quit 6 years ago. She repo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old man comes to the emergency department because of several episodes of blood in his urine and decreased urine output for 5 days. His blood pressure is 158/94 mm Hg. Examination shows bilateral lower extremity edema. Urinalysis shows 3+ protein and red blood cell casts. Mass spectrometry analys... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old woman comes to the emergency department 1 hour after the sudden onset of a diffuse, dull, throbbing headache. She also reports blurred vision, nausea, and one episode of vomiting. She has a history of poorly controlled hypertension. A photograph of her fundoscopic examination is shown. Which... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman comes to the emergency department for a rash that began 3 days ago. She has low-grade fever and muscle aches. She has no history of serious illness and takes no medications. She has had 5 male sexual partners over the past year and uses condoms inconsistently. Her temperature is 38.1°C... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old man undergoes ileocecal resection after a gunshot injury. The resected ileocecal segment is sent for histological evaluation. One of the slides derived from the specimen is shown in the image. Which of the following statements regarding the structure marked within the red circle is correct? ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old woman, gravida 2, para 1, at 42 weeks' gestation is admitted to the hospital in active labor. Pregnancy has been complicated by gestational diabetes, for which she has been receiving insulin injections. Her first child was delivered by lower segment transverse cesarean section because of a n... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> One week after an aortic valve replacement surgery, a 55-year-old man is brought to the emergency room 30 minutes after the onset of severe, sharp chest pain. He appears pale and dyspneic but is alert, oriented, and speaks in full sentences. His temperature is 38°C (100.4°F), pulse is 192/min and thready,... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old woman presents to the emergency department with a 3-day history of backache, progressive bilateral lower limb weakness, and a pins-and-needles sensation in both of her legs. She has not passed urine for the past 24 hours. Her medical history is unremarkable. Her blood pressure is 112/74 mm H... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old man undergoes workup for nocturnal dyspnea and what he describes as a "choking" sensation while sleeping. He also endorses fatigue and dyspnea on exertion. Physical exam reveals a normal S1, loud P2, and a neck circumference of 17 inches (43 cm) (normal < 14 inches (< 35 cm)). His temperatur... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old girl is brought to the pediatrician by her parents for a 1-year history of gradual loss of speech and motor skills. Pregnancy and delivery were uncomplicated, and development was normal until the age of 3 years. Her parents say she used to run and speak in short sentences but now is only able... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man presents to the emergency department because he has been having abdominal pain for the past several months. Specifically, he complains of severe epigastric pain after eating that is sometimes accompanied by diarrhea. He has also lost 20 pounds over the same time period, which he attribut... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old medical student comes to the physician with a 3-week history of night sweats and myalgias. During this time, he has also had a of 3.6-kg (8-lb) weight loss. He returned from a 6-month tropical medicine rotation in Cambodia 1 month ago. A chest x-ray (CXR) shows reticulonodular opacities sugg... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old man comes with odynophagia, abdominal pain, fatigue, headache, and fever for several weeks. The patient reports no chronic medical problems, no travel, and no recent sick exposures. Physical examination is significant only for an erythematous oral mucosa and cervical lymphadenopathy. His vit... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man comes to the physician for evaluation of severe pain in his left shoulder for several days. He did not fall or injure his shoulder. He has a history of osteoarthritis of both knees that is well-controlled with indomethacin. He spends most of his time at a retirement facility and does not... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old woman with no past medical history presents to her primary care provider because she has begun to experience color changes in her fingers on both hands in cold temperatures. She reports having had this problem for a few years, but with the weather getting colder this winter she has grown mor... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man presents to your office concerned about the frequency with which he wakes up in the middle night feeling out of breath. He has been required to use 3 more pillows in order to reduce the shortness of breath. In addition to this, he has noticed that he tires easily with minor tasks such as... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 69-year-old man with metastatic colon cancer is brought to the emergency department because of shortness of breath, fever, chills, and a productive cough with streaks of blood for the past 5 days. He has a history of emphysema. The patient does not have abdominal pain or headache. He receives chemothera... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old man presents to a clinic with a skin lesion on his forearm, which recently changed in color from light brown to brown-black. The lesion was initially pinhead in size but now has grown to the size of a penny. On examination, there is a 3.5 x 2.5 cm irregularly-shaped lesion on his left forear... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old man comes to the physician for the evaluation of intermittent dysphagia for 6 months. He states that he drinks a lot of water during meals to help reduce discomfort he has while swallowing food. He has hypertension and gastroesophageal reflux disease. He has smoked one half-pack of cigarette... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old man presents to the emergency department following a work-related accident in which both arms were amputated. The patient lost a substantial amount of blood prior to arrival, and his bleeding is difficult to control due to arterial damage and wound contamination with debris. His complete blo... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old woman, gravida 2, para 1, at 35 weeks' gestation is brought to the emergency department for the evaluation of continuous, dark, vaginal bleeding and abdominal pain for one hour. Her first child was delivered by lower segment transverse cesarean section because of a nonreassuring fetal heart ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old African American man presents to the clinic for his first annual well-check. He was unemployed for years but recently received health insurance from a new job. He reports feeling healthy and has no complaints. His blood pressure is 157/90 mmHg, pulse is 86/min, and respirations are 12/min. R... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old man from Argentina presents to your office complaining of difficulty swallowing for the past few months. He is accompanied by his wife who adds that his breath has started to smell horrible. The patient says that he feels uncomfortable no matter what he eats or drinks. He also has lost 5 kg ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man is brought to the emergency department after a skiing accident. The patient had been skiing down the mountain when he collided with another skier who had stopped suddenly in front of him. He is alert but complaining of pain in his chest and abdomen. He has a past medical history of intra... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 8-month-old child presents with a history of poor growth and a chronic cough. He was born to a 21-year-old woman at 41 weeks of gestation. Soon after birth, he developed respiratory distress and was admitted to the neonatal intensive care unit where he was mechanically ventilated for 24 hours. He was i... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old woman comes to the therapist for weekly psychotherapy. She was diagnosed with major depressive disorder and anxiety after her divorce 1 year ago. During last week's appointment, she spoke about her ex-husband's timidity and lack of advancement at work; despite her urging, he never asked for ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man is brought to the emergency department by his friends after he was found vomiting copious amounts of blood. According to his friends, he is a chronic alcoholic and lost his family and job because of his drinking. The admission vital signs were as follows: blood pressure is 100/75 mm Hg, ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A scientist in Boston is studying a new blood test to detect Ab to the parainfluenza virus with increased sensitivity and specificity. So far, her best attempt at creating such an exam reached 82% sensitivity and 88% specificity. She is hoping to increase these numbers by at least 2 percent for each value... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man with a history of congestive heart failure, hypertension, and hyperlipidemia presents to his primary care clinic. He admits he did not adhere to a low salt diet on a recent vacation. He now has progressive leg swelling and needs two pillows to sleep because he gets short of breath when l... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man presents with pain, swelling, and a purulent discharge from his left foot. He says that the symptoms began 7 days ago with mild pain and swelling on the medial side of his left foot, but have progressively worsened. He states that there has been a foul-smelling discharge for the past 2 d... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old girl is brought to your clinic by her mother with a high grade temperature associated with generalized weakness and lethargy. Her mother reports that she has had similar episodes, each last 3-4 days since she was an infant. These episodes would often lead to hospitalization where she would be... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old woman presents with pruritus and progressive weakness for the past 3 months. She says she feels excessively tired during the daytime and is losing interest in activities that used to be fun. The patient reports a history of heavy alcohol use and drinks around 20 ounces per week. Laboratory s... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old female comes to her obstetrician’s office for a prenatal visit. She has a transvaginal ultrasound that correlates with her last menstrual period and dates her pregnancy at 4 weeks. She has no complaints except some nausea during the morning that is improving. She comments that she has had so... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man comes to the physician because of a 3-week history of cough, weight loss, and night sweats. He migrated from Sri Lanka 6 months ago. He appears emaciated. His temperature is 38.1°C (100.5°F). Physical examination shows enlargement of the right supraclavicular lymph node. Chest and abdomi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old woman presents with anxiety, poor sleep, and occasional handshaking and sweating for the past 10 months. She says that the best remedy for her symptoms is a “glass of a good cognac” after work. She describes herself as a “moderate drinker”. However, on a more detailed assessment, the patient... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman presents to the emergency department with confusion, severe myalgia, fever, and a rash over her inner left thigh. The patient was diagnosed with pharyngitis three days ago and prescribed antibiotics, but she did not take them. Her blood pressure is 90/60 mm Hg, heart rate is 99/min, re... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A pharmaceutical corporation is developing a research study to evaluate a novel blood test to screen for breast cancer. They enrolled 800 patients in the study, half of which have breast cancer. The remaining enrolled patients are age-matched controls who do not have the disease. Of those in the diseased ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman presents to the physician with complaints of pain and paresthesias in her left hand, particularly her thumb, index, and middle fingers. She notes that the pain is worse at night, though she still feels significant discomfort during the day. The patient insists that she would like urgen... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 45-year-old man comes to the physician for a routine health maintenance examination. He has been having recurrent headaches, especially early in the morning, and sometimes feels dizzy. There is no family history of serious illness. The patient runs 5 miles 3 days a week. He does not s... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A researcher measures action potential propagation velocity in various regions of the heart in a 42-year-old Caucasian female. Which of the following set of measurements corresponds to the velocities found in the atrial muscle, AV Node, Purkinje system, and venticular muscle, respectively? ---- <<Choices:... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old woman presents to the emergency department with joint pain and a notable rash. She has had joint pain for the past 12 months but noticed the rash recently as well as generalized malaise. She states her joint pain is symmetric, in her upper extremities, and is worse in the morning. Her temper... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A healthy 30-year-old female has a measured creatinine clearance of 100 mL/min. She has a filtration fraction (FF) of 25%. Serum analysis reveals a creatinine level of 0.9 mg/dL and an elevated hematocrit of 0.6. Which of the following is the best estimate of this patient’s renal blood flow? ---- <<Choice... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old female college student comes to your clinic to establish care. She has no significant past medical history and her only complaint today is that she has had trouble maintaining a consistent weight. Her temperature is 98.6°F (37.0°C), blood pressure is 100/65 mmHg, pulse is 62/min, and respira... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> As part of a clinical research study, the characteristics of neoplastic and normal cells are being analyzed in culture. It is observed that neoplastic cell division is aided by an enzyme which repairs progressive chromosomal shortening, which is not the case in normal cells. Due to the lack of chromosomal... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-year-old boy is brought in by his mother with reports of trouble at school. Teachers report that for the last 6 months he has been having difficulty finishing tasks, is easily distracted, frequently does not listen, commonly fails to finish schoolwork, has not been able to complete any of the class pr... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old male asks his physician for information regarding a vasectomy. On further questioning, you learn that he and his wife have just had their second child and he asserts that they no longer wish to have additional pregnancies. You ask him if he has discussed a vasectomy with his wife to which he... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old boy comes to the physician for the evaluation of fatigue over the past month. He reports that his energy levels are low and that he spends most of his time in his room. He also states that he is not in the mood for meeting friends. He used to enjoy playing soccer and going to the shooting ra... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old woman presents with blisters and erosions on her upper face, chest, and back. The blisters have erythema, scales, and crust formation. The lesions are aggravated, especially after sun exposure. Examination shows oromucosal involvement. Histopathologic evaluation reveals a tombstone arrangeme... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old boy is brought to his pediatrician by his mother for a productive cough. His symptoms began approximately 3 days prior to presentation and have not improved. His mother also reports that he developed diarrhea recently and denies any sick contacts or recent travel. He has received all of his v... | C |
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