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Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man with Crohn disease is brought to the emergency department after he fainted at work. He says that he has been feeling increasingly fatigued and weak over the last several weeks though he has not previously had any episodes of syncope. On presentation he is found to be pale and agitated. A... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 48-year-old man comes to the physician for a 3-month history of myalgias and recurrent episodes of retrosternal chest pain and dizziness. He has had a 5-kg (11-lb) weight loss during this period. His temperature is 39.1°C (102.3°F), pulse is 90/min, and blood pressure is 160/102 mm Hg... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old man is brought to the emergency department for the evaluation of worsening upper abdominal pain that he first noticed this morning after waking up. The pain is of tearing and burning quality and radiates to his back. Yesterday, he underwent an upper endoscopy and was diagnosed with gastritis... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying the principles of cell-to-cell signaling of the autonomic nervous system. It is found that the adrenal medulla has receptors that, when activated, result in the immediate opening of Na+, Ca2+, and K+ channels, which subsequently leads to the secretion of epinephrine and norepin... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old man comes to the physician for the evaluation of five episodes of painful oral ulcers over the past year. During this period, he has also had two painful genital ulcers that healed without treatment. He reports frequently having diffuse joint pain, malaise, and low-grade fever. There is no p... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old man with acute myeloid leukemia undergoes multiple chemotherapeutic regimens but does not enter remission. His oncologist suggests that he enroll in a trial for a new medication that causes intercalation of DNA during the G2 phase of the cell cycle. Which of the following anti-cancer agents ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman comes to the physician because of shortness of breath while lying on her back over the past month. During this period, she has also had several episodes of bloody coughing. The patient reports that she had a heart problem when she was a child that was treated with antibiotics. She emig... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old child with a history of abdominal and thigh pain that runs in his family is brought into the emergency room by his mother. His mother states they have a "blood disease." She also states the child was coughing and had fever to 101.1 F over the last three days and has been suddenly feeling much... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old man comes to the physician for evaluation of gradually worsening fatigue, increased urinary frequency, and blurry vision for 5 months. He has not seen a doctor in several years. Physical examination shows decreased vibratory sense and proprioception in the lower extremities. His hemoglobin A... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-month-old infant is brought the pediatrician for immunizations and assessment. His parents report that he is eating well and produces several wet diapers every day. He is a happy and curious child. The boy was born at 39 weeks gestation via spontaneous vaginal delivery. He is up to date on all vaccine... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old male is brought to the ER with a sore throat and fever. Examination of the pharynx reveals a dark, inflammatory exudate. Cysteine-tellurite agar culture produces black, iridescent colonies. Microscopic features of the causal organism most likely include which of the following? ---- <<Choices:... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old Caucasian male presents with hemoptysis and uremia. Blood tests show the presence of anti-basement membrane antibodies specific for collagen located in glomerular and pulmonary basement membranes. The patient undergoes plasmapheresis to help reduce the amount of anti-basement membrane antibo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> Immunology researchers attempt to characterize the role of several cytokines in a 5-year-old male’s allergic reaction to peanuts. Months after initial exposure to peanuts, the child was brought to the ER due to repeat exposure with symptoms of anaphylaxis that resolved following epinephrine injection and ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A microbiology graduate student was given a swab containing an unknown bacteria that caused an ear infection in a seven-year-old girl. The student identified the bacteria as a gram-positive, catalase-negative cocci producing green rings around the colonies when grown on blood agar. Which of the following ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old woman comes to the physician because of recent fatigue and weakness that is exacerbated by cross-country skiing. Four weeks ago, she was diagnosed with pneumonia; sputum cultures on Eaton agar showed organisms that lacked a cell wall. Physical examination shows conjunctival pallor and cyanos... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old man with no medical history presents to his provider for infertility. He states that he and his partner have had unprotected intercourse for 1 year and have been unable to conceive. Upon further workup, he is determined to have antisperm antibodies (ASA), but he does not have any other signs... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man presents to the office for consultation regarding the results of recent laboratory studies. Medical history includes stage 3 chronic kidney disease, diabetes mellitus type 2, and hypertension, which is currently well controlled with lisinopril and furosemide. The vital signs include: tem... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is brought to his pediatrician for evaluation of a sore throat. The sore throat began 4 days ago and has progressively worsened. Associated symptoms include subjective fever, pain with swallowing, cough, and fatigue. The patient denies any cough or rhinorrhea. Vital signs are as follows: ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 21-year-old college student is brought to the emergency department because of a 10-hour history of increasing headache, stiff neck, and sensitivity to light. He returned from a mission trip to Haiti 3 weeks ago where he worked in a rural health clinic. He appears lethargic. He is orie... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 66-year-old woman with type 2 diabetes mellitus comes to the physician because of a severely painful right ear with discharge for 10 days. The ear pain was acute in onset and is constant. She has been using over-the-counter eardrops but her symptoms have worsened. Her only medication is insulin, which s... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 74-year-old woman presents to the emergency department for shortness of breath and bilateral lower extremity pitting edema. She has had exacerbations like this in the past and notes that she has not been taking her home heart medications as scheduled. Review of systems is negative for any other symptoms... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-year-old girl presents to the emergency room due to difficulty walking. According to her parents, she has been complaining of pain in her right leg for the last few days. Her neighbor’s cat bit her last week and her parents attributed the pain to her healing bite. At the time of the bite they cleaned ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old man comes to the physician because of a 3-week history of a painful rash affecting his left foot. For the past 2 years, he has had recurrent episodes of color changes in his fingers when exposed to the cold; his fingers first turn white and then progress to blue and red before spontaneously ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old male nurse presents to the emergency room complaining of fever and malaise. He recently returned from a medical trip to Liberia to help with a deadly outbreak of a highly infectious disease. He reports severe generalized muscle pain, malaise, fatigue, and a sore throat. He has recently devel... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old woman presents to the physician for a routine health maintenance examination. She has no history of a serious illness and takes no medications. She exercises every day and follows a healthy diet. She does not smoke and consumes alcohol moderately. There is no family history of chronic diseas... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old boy is brought to the physician because of progressive difficulty breathing and a productive cough for the past 2 days. During the past 6 months, he has had recurrent episodes of pneumonia treated with antibiotics. He has not gained weight in this time period. His temperature is 38.5°C (101.3... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man presents to the physician because of difficulty initiating urination, terminal dribbling of urine, and bone pain for 3 months. He has no medical history of serious illness, and he currently takes no medications. His father had prostate cancer at age 58. His vital signs are within normal ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old woman presents to a medical clinic complaining of diarrhea. She also has episodes during which her face becomes red and she becomes short of breath. These symptoms have been ongoing for the past few months. Five years ago she had an appendectomy. The medical history is otherwise not signific... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman presents to a medical clinic for a follow-up visit. She initially came with complaints of recurrent headaches and darkening of her knuckles and skin creases, which first began 6 months ago after she underwent bilateral adrenalectomy. Today, she says that she frequently bumps into peopl... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old boy is brought in by his mother for a well-visit. She reports that he is going to start kindergarten soon. She is worried that he doesn’t like to play outside with the other kids on the block. When asked, the patient says “I like video games more than running. My big brother plays with me.” H... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-year-old boy with cerebral palsy is about to undergo a femoral osteotomy. An intravenous catheter needs to be placed; however, given prior experience the boy is extremely anxious and does not want to be stuck with a needle while awake. The decision is made to administer appropriate anesthesia by mask ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old woman presents to her physician with hip pain. She has had pain in both hips for almost 5 years, and it has progressed over time. She notes that it gets worse as the day goes on, making it difficult for her to walk her small dog in the evening. She has a little morning stiffness which subsid... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old man comes into the ED after getting into a fight at a bar. He tells the physician that he was punched in the face for no reason. In the ED, he declares multiple times that he is incredibly angry and upset that he was beaten up. The patient's mood rapidly shifts between anger and sadness. He ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old African American woman presents to the clinic complaining of pain and swelling of her hands and wrists for the past 5 months. The symptoms are worse in the morning and are associated with stiffness that lasts about 15 minutes. She also complains of profound fatigue and decreased appetite. Sh... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old man presents to urgent care with severe vomiting. He states that he was at a camping ground for a party several hours ago and then suddenly began vomiting profusely. He denies experiencing any diarrhea and otherwise states he feels well. The patient only has a past medical history of lactose... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man comes to the physician for a follow-up examination 1 year after an uncomplicated liver transplantation. He feels well but wants to know how long he can expect his donor graft to function. The physician informs him that the odds of graft survival are 90% at 1 year, 78% at 5 years, and 64%... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man who recently immigrated from Mexico presents to the clinic with fever, a productive cough streaked with blood, back pain, and night sweats. He was found to be HIV-positive 3 years ago but does not know his most recent CD4+ count. With further questioning, the patient notes that he had pr... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 87-year-old woman presents with fever, fatigue, and blood in her urine. She says that symptoms onset 3 days ago and have not improved. She describes the fatigue as severe and that her urine also has an odd smell to it. She denies any recent history of chills, abdominal or flank pain, or similar past sy... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old girl is brought to the emergency room because of a 5-day history of high fever and fatigue. During this time she has been crying more than usual and eating less. Her mother says that the child has also complained about pain in her arms and legs for the past 3 days. She was born at term and ha... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old primigravid woman at 16 weeks' gestation comes to the emergency department because of vaginal bleeding. She has had spotting for the last 2 days. She has had standard prenatal care. A viable uterine pregnancy was confirmed on ultrasonography during a prenatal care visit 2 weeks ago. She repo... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man presents to his primary care physician for a general checkup. The patient has no complaints, but is overweight by 20 lbs. The physician orders outpatient labs which come back with an elevated total bilirubin. Concerned, the PCP orders further labs which show: total bilirubin: 2.4, direct... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A clinical trial is conducted to determine the role of cerebrospinal fluid (CSF) beta-amyloid levels as a biomarker in the early detection and prognosis of Alzheimer disease. A total of 100 participants are enrolled and separated into three groups according to their Mini-Mental State Examination (MMSE) sc... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old woman with a history of rheumatic fever has been experiencing exertional fatigue and dyspnea. She has begun using several pillows at night to sleep and occasionally wakes up at night gasping for air. On exam, she appears dyspneic and thin. Cardiac exam reveals a loud S1, opening snap, and ap... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old man comes to the physician because of a 1-month history of a productive cough. He has daily yellowish sputum with occasional streaks of blood in it. Twelve years ago, he was treated for pulmonary tuberculosis for 6 months. He has hypertension and coronary artery disease. He does not smoke or... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 73-year-old woman is brought to the physician by her son because of a 2-month history of diarrhea and recurrent upper respiratory tract infections. Her son says that she frequently trips over the nightstand when she gets up to go to the bathroom at night. She is 173 cm (5 ft 8 in) tall and weighs 54 kg ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 11-year-old boy is brought to the emergency department by his parents for confusion and fever. The patient began complaining of a headache yesterday afternoon that progressively got worse. After waking him up this morning, his mom noticed that “he seemed funny and wasn’t able to carry a conversation fu... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old man is bitten by a copperhead snake, and he is successfully treated with sheep hyperimmune Fab antivenom. Six days later, the patient develops an itchy abdominal rash and re-presents to the emergency department for medical care. He works as a park ranger. His medical history is significant f... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Treatment with intravenous acyclovir is initiated. Three days later, the patient develops progressively worse fatigue, headache, and colicky pain in his right flank. His temperature is 36.7°C (98°F), pulse is 85/min, and blood pressure is 135/80 mm Hg. Examination shows no new lesions. Laboratory studies ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old boy is brought to the physician by his parents because of a 6-month history of progressive fatigue and worsening shortness of breath on exertion. The parents report that the boy “has always been tired out a bit more easily than other kids.” The family recently immigrated to the United States... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 69-year-old woman is brought to the emergency department by her husband for evaluation of the sudden onset of chest pain and breathlessness 2 hours ago. The pain increases with deep inspiration. She had a total hip replacement 20 days ago. She has hypertension, for which she takes a calcium channel bloc... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-year-old boy comes to the physician for a follow-up examination. He was diagnosed with asthma one year ago and uses an albuterol inhaler as needed. His mother reports that he has had shortness of breath on exertion and a dry cough 3–4 times per week over the past month. Pulmonary examination shows ex... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 20-year-old woman with no significant past medical history presents to the urgent care clinic with increased vaginal discharge and dysuria. On social history review, she endorses having multiple recent sexual partners. The patient uses oral contraceptive pills for contraception and states that she has n... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old girl presented to the emergency department after a generalized tonic-clonic seizure that lasted one minute, an hour ago. She has been in good health since birth and has no history of convulsions in the past. She has been sick with an upper respiratory tract infection for the last 2 days, and ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old man comes to the emergency department with his wife because of a 3-day history of severe pain in his right arm. He also reports that he cannot move his right arm. The symptoms began after the patient woke up one morning, having slept on his side. He is otherwise healthy. He works as a waiter... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A female newborn delivered at 38 weeks’ gestation is evaluated for abdominal distention and bilious vomiting 24 hours after delivery. The pregnancy and delivery were uncomplicated. She appears lethargic and her fontanelles are sunken. An x-ray of the abdomen is shown. This infant most likely has a congeni... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A group of researchers recently conducted a meta-analysis of twenty clinical trials encompassing 10,000 women with estrogen receptor-positive breast cancer who were disease-free following adjuvant radiotherapy. After an observation period of 15 years, the relationship between tumor grade and distant recur... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> Specificity for breast examination is traditionally rather high among community practitioners. A team of new researchers sets forth a goal to increase specificity in detection of breast cancer from the previously reported national average of 74%. Based on the following results, has the team achieved its g... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old boy is brought to the physician for evaluation of pallor and increasing lethargy for 3 days. Six days ago, he experienced abdominal pain, vomiting, and bloody diarrhea that have since resolved. The family returned from a road trip to Mexico 4-weeks ago. His temperature is 38.8°C (101.8°F), pu... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old woman comes to the physician for worsening fatigue and dyspnea for several months. She has not been seen by a physician in 10 years. She is also concerned about the appearance of her fingernails. A photograph of her hands is shown. Which of the following is the most likely underlying cause f... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman comes to the physician for a routine health maintenance examination. She feels well. Menses have occured at regular 30-day intervals and last for 5 days with normal flow. She has a history of gonorrhea that was treated at 20 years of age. She has smoked one pack of cigarettes daily for... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man with a history of myocardial infarction is admitted to the hospital for treatment of atrial fibrillation with rapid ventricular response. He is 180 cm (5 ft 11 in) tall and weighs 80 kg (173 lb). He is given an intravenous bolus of 150 mg of amiodarone. After 20 minutes, the amiodarone p... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man presents with a fever that has persisted for 3 days. He says that the fever was initially low at around 37.8°C (100.0°F), but, for the past 2 days, it has been around 38.9°C (102.0°F), regardless of his attempts to bring it down. He has also noticed some bumps on his neck. On further que... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is rushed to the emergency room after developing severe abdominal pain with nausea and vomiting for a day at a summer camp. He also has a bad cough and generalized muscle weakness. He was doing fine until these symptoms started on day 3 of his camp. Past medical history obtained from his ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-day-old newborn is brought into the pediatrician by her parents for new-onset vaginal bleeding. This morning, when the patient’s father was changing her diaper he noticed blood and white vaginal discharge. The patient was born at 39 weeks to a G1P1 mother who has well-controlled type 1 diabetes. The p... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> Image A depicts the distribution of the lab value of interest in 250 patients. Given that this is not a normal (i.e. Gaussian) distribution, how many patients are contained in the portion highlighted blue? ---- <<Choices:>> A) 125 patients B) 140 patients C) 250 patients D) Not enough information provided... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator develops a new drug that decreases the number of voltage-gated potassium channels in cardiac muscle cell membranes. Which of the following is the most likely effect of this drug on the myocardial action potential? ---- <<Choices:>> A) Decreased resting membrane potential B) Delayed repolar... | B |
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 states that he has felt fatigued and dizzy on several occasions over the past week. He has back pain for which he takes ibuprofen. Digital rectal examination shows no abnormalities. Laboratory studies show a hemoglob... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old woman presents to the emergency department with a 2-day history of conjunctivitis, sensitivity to bright light, and decreased visual acuity. She denies a history of ocular trauma. She wears contact lenses and thought that the contact lenses may be the cause of the symptoms, although she has ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-year-old boy presents with persistent epistaxis. The patient’s mother says that his nosebleed started suddenly 2 hours ago, and has not ceased after more than 20 minutes of applying pressure. She states that he has a history of nosebleeds since he was a toddler, but, in the past, they usually stopped ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man presents to his primary care physician for leg pain. The patient works as a mailman but states he has had difficulty completing his deliveries for the past month. He complains of a burning and tingling pain in his legs when he walks that goes away when he sits down and takes a break. The... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old woman comes to the physician with a 6-month history of black spots in her vision. She has been unable to drive at night for the past 4 months. The patient has rheumatoid arthritis, type 2 diabetes mellitus, and depression. Her mother has glaucoma. She has never smoked. She drinks one or two ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old woman is brought to the physician by her daughter because she has been intermittently crying for 6 hours and does not want to get out of bed. Her symptoms started after she was fired yesterday from her job of 20 years. She says she feels sad and does not understand what she will do with her ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 83-year-old bedbound man presents with a shallow open ulcer over his sacrum, with a red wound bed. Upon further examination, he also has areas of non-blanching redness on his lateral malleoli. Which of the following interventions would most likely have prevented his condition? ---- <<Choices:>> A) Nutr... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An infant boy is brought to the physician for a well-child examination. He was born at term and has been healthy since. He is beginning to crawl but can not yet walk or run. He feeds himself small foods and can bang 2 cubes together. He is just beginning to successfully use a pincer grasp. He has stranger... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An otherwise healthy 8-year-old girl is brought to the physician by her parents because of concern for growth retardation. Although she has always been short for her age, her classmates have begun teasing her for her height. She is at the 5th percentile for height and 25th percentile for weight. Physical ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman presents to the clinic for routine follow-up. She recently discovered that she is pregnant and is worried about taking medications throughout her pregnancy. She has a history of hypothyroidism and takes levothyroxine daily. Her vital signs are unremarkable. Her physical exam is consist... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 61-year-old female with a history of breast cancer currently on chemotherapy is brought by her husband to her oncologist for evaluation of a tremor. She reports that she developed a hand tremor approximately six months ago, prior to the start of her chemotherapy. The tremor is worse at rest and decrease... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old female with a long-standing history of poorly-controlled diabetes presents with 3 weeks of abnormal walking. She says that lately she has noticed that she keeps dragging the toes of her right foot while walking, and this has led to her stubbing her toes. Upon physical exam, you notice a righ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man with type 2 diabetes mellitus comes to the physician because of a 4-day history of fever, chills, nausea, and abdominal pain. He does not use illicit drugs. His temperature is 39°C (102.2°F). Physical examination shows right upper quadrant tenderness. Ultrasonography of the abdomen shows... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> Multiple sclerosis is an autoimmune disease in which T-lymphocytes initiate an immune system response targeting the myelin sheaths of the central nervous system. What stage of T-lymphocyte development is the most likely to be defective in this disorder? ---- <<Choices:>> A) Positive selection B) Negative ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old man comes to the physician for a follow-up evaluation one week after being discharged from the hospital for acute pancreatitis and alcohol withdrawal. He drinks 8 to 10 beers daily. When the physician asks him about his alcohol use, the patient says, “This is the second time in a year that I... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old male in West Virgina presents to the emergency room complaining that his vision has deteriorated within the past several hours to the point that he can no longer see. He explains that some acquaintances sold him some homemade liquor and stated that it was pure as it burned with a "yellow fla... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old woman with HIV infection presents to the emergency department because of a 4-week history of progressively worsening fatigue and headache. On mental status examination, the patient is somnolent and oriented only to person. Her CD4+ lymphocyte count is 80/mm3 (N = 500). Analysis of this patie... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man presents with 2 weeks of low-grade fever, malaise, night sweats, orthopnea, and shortness of breath. Past medical history is unremarkable. He reports a long-standing history of intravenous drug use for which he has been hospitalized a couple of times in the psychiatry ward. His vital sig... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old-man presents to his physician with worsening myalgias and new symptoms of early fatigue, muscle weakness, and drooping eyelids. His wife presents with him and states that he never used to have such symptoms. His medical history is significant for gout, hypertension, hypercholesterolemia, dia... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man presents his primary care physician for follow-up. 3 months ago, he was diagnosed with type 2 diabetes mellitus and metformin was started. Today, his HbA1C is 7.9%. The physician decides to add pioglitazone for better control of hyperglycemia. Which of the following is a contraindication... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman comes in to see her physician because she has had undiagnosed abdominal pain for the past 3 and a half years. Her pain is not related to meals and does not correspond to a particular time of day, although she does report nausea and bloating. In the past two years she has had two endosc... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 18-year-old man is hospitalized after a suicide attempt, his 6th such attempt in the last 4 years. He was diagnosed with depression 5 years ago, for which he takes fluoxetine. He is currently complaining of severe and worsening left knee swelling and pain since he attempted suicide by jumping out of hi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 75-year-old man who underwent a bilateral lung transplant 11 months ago presented to the emergency room with fevers and chills. After the transplant procedure, he was immediately placed on immunosuppressive treatment; however, for unknown reasons he stopped taking the prophylactically-prescribed voricon... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old man presents to the urgent care clinic with a persistent cough and progressively worsening shortness of breath. He has had these symptoms for several weeks and used to only become breathless during exercise but now has breathing difficulty while at rest. The patient says that he has mild-to-... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old girl is brought to the physician by her parents for the evaluation of belly pain and a pruritic skin rash on her shoulders for the last 6 months. She describes feeling bloated after meals. Over the past 3 months, she has had multiple loose bowel movements per day. She appears thin. She is at... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year old woman presents to her family physician 6 months after the death of her husband, who died following a car accident. She is crying inconsolably and reports that she no longer enjoys doing the things she and her husband once did together. She feels guilty for the time she wasted arguing with hi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old male with history of CHF presents to a trauma center following a motor vehicle accident. On arrival, his Glasgow Coma Scale score is 8, and he is found to have increased intracranial pressure. Mannitol is administered. Which of the following side effects of the drug would you most likely obs... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 51-year-old white female presents to her primary care physician for a regular check-up. She endorses eating a healthy diet with a balance of meat and vegetables. She also states that she has a glass of wine each night with dinner. As part of the evaluation, a complete blood count and blood smear were pe... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old woman presents to her primary physician with complaints of episodic late-night agitations and insomnia to an extent that her work is at stake due to her poor performance for months. Her husband reports that she has recently spent their savings on a shopping spree. He is worried that she migh... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old primigravida woman at 13-weeks' gestation is scheduled for a prenatal evaluation. This is her first appointment, though she has known she is pregnant for several weeks. A quad screening is performed with the mother's blood and reveals the following: AFP (alpha-fetoprotein) Decreased hCG (hum... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old man comes to the physician because of a 3-month history of fatigue, decreased sexual desire, and difficulty achieving an erection. He has no past medical history except for a traumatic brain injury he sustained in a motor vehicle accident 4 months ago. At that time, neuroimaging studies show... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old woman comes to her primary care physician complaining of palpitations. She reports that for the past 2 months she has felt anxious and states that her heart often feels like it’s “racing.” She also complains of sweating and unintentional weight loss. Physical examination reveals symmetrical,... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-month-old infant presents to your office for a check-up. Exam reveals mental retardation, microcephaly, and a mousy odor to his breath. You should be concerned that the infant may have which of the following? ---- <<Choices:>> A) Deficit of phenylalanine hydroxylase activity B) Deficit of tyrosine hyd... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 16-year-old girl comes to the physician because of fever, fatigue, and a sore throat for 8 days. She also has a diffuse rash that started yesterday. Three days ago, she took amoxicillin that she had at home. She is sexually active with two male partners and uses condoms inconsistently... | D |
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