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Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old man comes to the physician because of increasing shortness of breath for 1 month. He has been using two pillows at night but frequently wakes up feeling as if he is choking. Five months ago, he underwent surgery for creation of an arteriovenous fistula in his left upper arm. He has hypertens... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old woman, gravida 2, para 2, is brought to the emergency department by her husband after an episode of unconsciousness. She delivered a healthy infant two weeks ago and the postpartum course was complicated by severe vaginal bleeding, for which she required 4 units of packed red blood cells. Si... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 71-year-old man is brought to the emergency department by his daughter after she found him to be extremely confused at home. She says that he appeared to be fine in the morning; however, upon returning home, she found that he was slumped in his chair and was hard to arouse. She was worried that he may h... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old man seeks help from a physician for his heroin addiction. He tells the doctor that he started using heroin at the age of 17 and gradually started increasing the dose. He has been trying to quit for the last 6 months after realizing the negative consequences of his addiction but has not succe... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old man is unable to pass urine after undergoing open abdominal surgery. His physical examination and imaging findings suggest that the cause of his urinary retention is non-obstructive and is most probably due to urinary bladder atony. He is prescribed a new selective muscarinic (M3) receptor a... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old boy comes to the physician because of body aches and sore throat for 1 week. He has no history of serious illness and takes no medications. He lives with his parents; they recently adopted a cat from an animal shelter. He is sexually active with one female partner, and they use condoms consi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 8-year-old boy is brought to the emergency department with severe dyspnea, fatigue, and vomiting. His mother reports that he has been lethargic for the last several days with an increase in urine output. She thinks he may even be losing weight, despite eating and drinking more than normal for the last ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old woman presents to the emergency room with bloody stool and malaise. She developed a fever and acute left lower quadrant abdominal pain earlier in the day. She has had 2 bowel movements with bright red blood. Her past medical history is notable for hyperlipidemia, hypertension, and diabetes m... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old man is brought to the emergency department by his wife because of lethargy and confusion for the past 24 hours. He has also had a productive cough for the past year and has had a 10-kg (22-lb) weight loss over the past 6 months. He has a history of multiple sclerosis and has not had an acute... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man presents to the physician with complaints of 5 days of watery diarrhea, fever, and bloating. He has not noticed any blood in his stool. He states that his diet has not changed recently, and his family has been spared from diarrhea symptoms despite eating the same foods that he has been c... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old woman presents to her primary care doctor in late December with malaise. She reports worsening fatigue, myalgias, headache, and malaise that started 1 day ago. She works as a lunch lady at an elementary school. Her past medical history is notable for a distal radius fracture after a fall 2 y... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 78-year-old woman is brought to the emergency ward by her son for lethargy and generalized weakness. The patient speaks in short utterances and does not make eye contact with the provider or her son throughout the interview and examination. You elicit that the patient lives with her son and daughter-in-... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman presents with fever, chills, nausea, and urinary urgency and frequency. She says that her symptoms began 4 days ago and have progressively worsened. Her past medical history is significant for a 6-month history of recurrent urinary tract infections (UTIs). Her vital signs include: temp... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old man comes to the physician because of a 2-week history of lower extremity swelling and frothy urine. He has a history of chronic hepatitis C infection. Physical examination shows 3+ pitting edema of the lower legs and ankles. Further evaluation of this patient is most likely to show which of... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old male presents to his primary care physician complaining of increased urinary frequency and a weakened urinary stream. He has a history of gout, obesity, diabetes mellitus, and hyperlipidemia. He currently takes allopurinol, metformin, glyburide, and rosuvastatin. His temperature is 98.6°F (3... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old male presents with muscle weakness in his upper and lower extremities. The patient has also noticed some trouble with swallowing. On physical exam, signs of hyperreflexia, spasticity, fasciculations, and muscle atrophy are present in an asymmetric fashion. Tongue fasciculations are also pres... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old woman comes to the physician for a follow-up examination. She was diagnosed with immune thrombocytopenic purpura at the age of 37 years and has been treated with glucocorticoids and intravenous immune globulin. She has visited the emergency department 3 times in the past 4 months for nose bl... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man is brought to the physician by his wife because of progressive difficulty walking during the past 3 months. He has not been able to walk without assistance for the past month and has started to use a wheelchair. He also reports having urinary incontinence for 1 year. His wife says that h... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old primigravid woman at 36 weeks' gestation comes to the emergency department for 2 hours of contractions. Her pregnancy has been uncomplicated. The contractions occur once every 20–30 minutes, last less than 30 seconds, and have been consistent in intensity and duration since onset. During tha... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman is brought to the emergency department by a friend after fainting at work and hitting her head. She is conscious, alert, and in pain as she sustained a deep laceration above her right orbit. When asked about prior fainting episodes, she says that she has had them since childhood, but s... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 61-year-old G4P3 presents with a 5-year history of involuntary urine loss on coughing, sneezing, and physical exertion. She denies urine leakage at night. She has been menopausal since 51 years of age. She is otherwise healthy and is not on any medications, including hormone replacement therapy. The wei... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 20-year-old woman is brought in by police for trying to break into a museum after hours. The patient states that she is a detective on the trail of a master collusion scheme and needs the artifacts from the museum to prove her case. Her family reports that she has been acting strangely for the past week... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Six hours after delivery, a 3050-g (6-lb 12-oz) male newborn is noted to have feeding intolerance and several episodes of bilious vomiting. He was born at term to a healthy 35-year-old woman following a normal vaginal delivery. The pregnancy was uncomplicated, but the patient's mother had missed several o... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A researcher is examining the relationship between socioeconomic status and IQ scores. The IQ scores of young American adults have historically been reported to be distributed normally with a mean of 100 and a standard deviation of 15. Initially, the researcher obtains a random sampling of 300 high school... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old male presents to his primary care physician complaining of pain with urination and eye redness. He reports that he developed these symptoms approximately one week ago. He also has noticed left knee and right heel pain that started a few days ago. He denies any recent trauma. He had an episod... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old boy is brought to the pediatrician by his mother for a routine medical examination. His medical history is relevant for delayed gross motor milestones. The mother is concerned about a growth delay because both of his brothers were twice his size at this age. Physical examination reveals a wel... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying brachial artery reactivity in women with suspected coronary heart disease. The brachial artery diameter is measured via ultrasound before and after intra-arterial injection of acetylcholine. An increase of 7% in the vascular diameter is noted. The release of which of the follow... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old female in the 2nd trimester of pregnancy is diagnosed with primary Toxoplasma gondii infection. Her physician fears that the fetus may be infected in utero. Which of the following are associated with T. gondii infection in neonates? ---- <<Choices:>> A) Patent ductus arteriosus, cataracts, d... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man comes to the physician because of a swollen and painful right knee for the last 3 days. He has no history of joint disease. His vital signs are within normal limits. Examination shows erythema and swelling of the right knee, with limited range of motion due to pain. Arthrocentesis of the... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A new treatment for hemorrhagic stroke, which is a life-threatening clinical condition that occurs when a diseased blood vessel in the brain ruptures or leaks, was evaluated as soon as it hit the market by an international group of neurology specialists. In those treated with the new drug, a good outcome ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man is brought to the emergency department 1 hour after the sudden onset of shortness of breath, epigastric pain, and sweating. He has no history of similar symptoms. He has hypertension and type 2 diabetes mellitus. Current medications include amlodipine and metformin. He has smoked one pac... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator studying targeted therapy in patients with gastrointestinal stromal tumors requires a reliable test to determine the spatial distribution of CD117-positive cells in biopsy specimens. Which of the following is the most appropriate test? ---- <<Choices:>> A) Flow cytometry B) Immunohistochem... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> In an attempt to create other selective dopamine 1 (D1) agonists, a small pharmaceutical company created a cell-based chemical screen that involved three modified receptors - alpha 1 (A1), beta 1 (B1), and D1. In the presence of D1 stimulation, the cell would produce an mRNA that codes for a fluorescent p... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old woman comes to the physician because of a 2-year-history of intermittent upper abdominal pain that occurs a few hours after meals and occasionally wakes her up in the middle of the night. She reports that the pain is relieved with food intake. Physical examination shows no abnormalities. End... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> The balance between glycolysis and gluconeogenesis is regulated at several steps, and accumulation of one or more products/chemicals can either promote or inhibit one or more enzymes in either pathway. Which of the following molecules if increased in concentration can promote gluconeogenesis? ---- <<Choic... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old man who had undergone liver transplantation 7 years ago, presents to the physician because of yellowish discoloration of the skin, sclera, and urine. He is on regular immunosuppressive therapy and is well-adherent to the treatment. He has no comorbidities and is not taking any other medicati... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 14-year-old girl is brought to the physician after she accidentally cut her right forearm earlier that morning while working with her mother's embroidery scissors. She has no history of serious illness. The mother says she went to elementary and middle school abroad and is not sure if she received all o... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old woman comes to the physician because of a 3-day history of a sore throat and fever. Her temperature is 38.5°C (101.3°F). Examination shows edematous oropharyngeal mucosa and enlarged tonsils with purulent exudate. There is tender cervical lymphadenopathy. If left untreated, which of the foll... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old man comes to his primary care provider because of double vision and headache. He says these symptoms developed suddenly last night and have not improved. He has had type 2 diabetes mellitus for 32 years and essential hypertension for 19 years for which he takes metformin and lisinopril. His ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old boy is brought to the emergency department with abdominal pain. His father tells the attending physician that his son has been experiencing severe stomach aches over the past week. They are intermittent in nature, but whenever they occur he cries and draws up his knees to his chest. This usua... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 51-year-old man presents complaining of decreased vibratory sense in his lower limbs. Physical exam reveals a widened pulse pressure and a decrescendo murmur occurring after the S2 heart sound. After further questioning, he also reports he experienced a maculopapular rash over his trunk, palms and soles... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman comes to the physician for genetic counseling prior to conception. For the past year, she has had intermittent episodes of headache, nausea, abdominal pain, and tingling of her fingers. She also complains of dark urine during the episodes. Her mother and maternal uncle have similar sym... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> Three days after undergoing cardiac catheterization and coronary angioplasty for acute myocardial infarction, a 70-year-old man develops shortness of breath at rest. He has hypertension, hyperlipidemia, and type 2 diabetes mellitus. His current medications include aspirin, clopidogrel, atorvastatin, subli... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying the mechanism of HIV infection in cells obtained from a human donor. The effect of a drug that impairs viral fusion and entry is being evaluated. This drug acts on a protein that is cleaved off of a larger glycosylated protein in the endoplasmic reticulum of the host cell. The ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man comes to the physician for a follow-up examination. One week ago, he was treated in the emergency department for chest pain, palpitations, and dyspnea. As part of his regimen, he was started on a medication that irreversibly inhibits the synthesis of thromboxane A2 and prostaglandins. Wh... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 66-year-old man undergoes a coronary artery bypass grafting. Upon regaining consciousness, he reports that he cannot see from either eye and cannot move his arms. Physical examination shows bilaterally equal, reactive pupils. A fundoscopy shows no abnormalities. An MRI of the brain shows wedge-shaped co... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 74-year-old man presents to the emergency room with abdominal pain. He reports acute onset of left lower quadrant abdominal pain and nausea three hours prior to presentation. The pain is severe, constant, and non-radiating. He has had two maroon-colored bowel movements since the pain started. His past m... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is brought to the physician by his father because of a 1-day history of a pruritic rash on his trunk and face. Five days ago, he developed low-grade fever, nausea, and diarrhea. Physical examination shows a lace-like erythematous rash on the trunk and face with circumoral pallor. The agen... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old woman presents to your clinic for the evaluation of an abnormal skin lesion on her forearm. The patient is worried because her mother passed away from melanoma. You believe that the lesion warrants biopsy for further evaluation for possible melanoma. Your patient is concerned about her risk ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old woman presents to her physician for her annual checkup. She has diabetes mellitus, type 1 and takes insulin regularly. She reports no incidents of elevated or low blood sugar and that she is feeling energetic and ready to face the morning every day. Her vital signs and physical are normal. O... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 14-year-old girl comes to the physician because of excessive flow and duration of her menses. Since menarche a year ago, menses have occurred at irregular intervals and lasted 8–9 days. Her last menstrual period was 5 weeks ago with passage of clots. She has no family or personal history of serious illn... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-week-old boy is brought to the pediatrician by his parents for a circumcision. The circumcision was uncomplicated; however, after a few hours, the diaper contained blood, and the bleeding has not subsided. A complete blood count was ordered, which was significant for a platelet count of 70,000/mm3. On... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man presents to the emergency department with shortness of breath. He was eating dinner with his family during the holidays and felt very short of breath, thus prompting him to come in. The patient has a past medical history of diabetes, hypertension, 2 myocardial infarctions, and obesity. P... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old woman presents to her physician for difficulty swallowing. She states that she intentionally delayed seeing a physician for this issue. She says her primary issue with swallowing is that her mouth always feels dry so she has difficulty chewing food to the point that it can be swallowed. On p... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old female is admitted to the hospital after worsening headaches for the past month. She has noticed that the headaches are usually generalized, and frequently occur during sleep. She does not have a history of migraines or other types of headaches. Her past medical history is significant for br... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old woman comes to the physician because of progressive weakness. She has noticed increasing difficulty performing household chores and walking her dog over the past month. Sometimes she feels too fatigued to cook dinner. She has noticed that she feels better after sleeping. She does not have ch... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying cardiomyocytes in both normal and genetically modified mice. Both the normal and genetically modified mice are observed after aerobic exercise and their heart rates are recorded and compared. After a 10-minute session on a treadmill, the average pulse measured in the normal mic... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man presents to his primary care physician with a 2-month-history of diarrhea. He says that he feels the urge to defecate 3-4 times per day and that his stools have changed in character since the diarrhea began. Specifically, they now float, stick to the side of the toilet bowl, and smell ex... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old woman comes to the physician because of worsening pain and swelling of her left knee. For the past year, she has had pain in her knees and hands bilaterally, but never this severe. During this period, she has also had difficulties moving around for about an hour in the mornings and has been ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old woman, gravida 2, para 1, at 16 weeks' gestation comes to the office for a prenatal visit. She reports increased urinary frequency but otherwise feels well. Pregnancy and delivery of her first child were uncomplicated. Her vital signs are within normal limits. Pelvic examination shows a uter... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-month-old boy is referred to the hospital because of suspected severe pneumonia. During the first month of his life, he had developed upper airway infections, bronchitis, and diarrhea. He has received all the immunizations according to his age. He failed to thrive since the age of 3 months. A month a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 74-year-old man presents to the physician with a painful lesion over his right lower limb which began 2 days ago. He says that the lesion began with pain and severe tenderness in the area. The next day, the size of the lesion increased and it became erythematous. He also mentions that a similar lesion h... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old man is being evaluated for a 3-week history of fatigue, difficulty to concentrate, dyspnea with exertion, dizziness, and digital pain that improves with cold. He has smoked half a pack of cigarettes a day since he was 20. His current medical history involves hypertension. He takes enalapril ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old Caucasian man presents for a routine checkup. He does not have any current complaint. He is healthy and takes no medications. He has smoked 10–15 cigarettes per day for the past 10 years. His family history is negative for gastrointestinal disorders. Which of the following screening tests is... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 76-year-old man comes to the physician for a follow-up examination. One week ago, he was prescribed azithromycin for acute bacterial sinusitis. He has a history of atrial fibrillation treated with warfarin and metoprolol. Physical examination shows no abnormalities. Compared to one month ago, laboratory... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-week-old male newborn is brought to the physician because his mother has noticed her son has occasional bouts of ""turning blue in the face"" while crying. He also tires easily and sweats while feeding. He weighed 2150 g (4 lb 11 oz) at birth and has gained 200 g (7 oz). The baby appears mildly cyanot... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old man presents to an orthopedic surgeon to discuss repair of his torn anterior cruciate ligament. He suffered the injury during a college basketball game 1 week ago and has been using a knee immobilizer since the accident. His past medical history is significant for an emergency appendectomy w... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old male presents with complaints of intermittent facial flushing. He also reports feeling itchy after showering. On review of systems, the patient says he has been having new onset headaches recently. On physical exam, his vital signs, including O2 saturation, are normal. He has an abnormal abd... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old Caucasian male presents to your office with hematuria and right flank pain. He has no history of renal dialysis but has a history of recurrent urinary tract infections. You order an intravenous pyelogram, which reveals multiple cysts of the collecting ducts in the medulla. What is the most l... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman presents with severe vertigo. She also reports multiple episodes of vomiting and difficulty walking. The vertigo is continuous, not related to the position, and not associated with tinnitus or hearing disturbances. She has a past history of acute vision loss in her right eye that resol... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old man is brought to the emergency department by the resident assistant of his dormitory for strange behavior. He was found locked out of his room, where the patient admitted to attending a fraternity party before becoming paranoid that the resident assistant would report him to the police. The... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old primigravid woman comes to the physician at 36 weeks' gestation for her first prenatal visit. She confirmed the pregnancy with a home urine pregnancy kit a few months ago but has not yet followed up with a physician. She takes no medications. Vital signs are within normal limits. Pelvic exam... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old woman comes to the emergency department because of drooping on the left side of her face since that morning. She also reports difficulty closing her eyes and chewing. During the neurologic examination, the physician asks the patient to open her jaw against resistance. Which of the following ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old female with a history of gastroesophageal reflux disease presents to her family physician with symptoms of epigastric pain right after a meal. The physician performs a urea breath test which is positive and the patient is started on appropriate medical therapy. Three days later at a restaura... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old woman presents to your office with several months of fatigue and abdominal pain. The pain is dull in character and unrelated to meals. She has a history of type 2 diabetes mellitus and rheumatic arthritis for which she is taking ibuprofen, methotrexate, and metformin. She has 2-3 drinks on t... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old man presents with low-grade fever and shortness of breath for the last 3 weeks. Past medical history is significant for severe mitral regurgitation status post mitral valve replacement five years ago. His temperature is 38.3°C (101.0°F) and respiratory rate is 18/min. Physical examination re... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman with asthma is brought to the emergency department because of shortness of breath and wheezing for 20 minutes. She is unable to speak more than a few words at a time. Her pulse is 116/min and respirations are 28/min. Pulse oximetry on room air shows an oxygen saturation of 92%. Examina... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old man comes to the physician because of a 4-month history of a pruritic rash. His symptoms have not improved despite treatment with over-the-counter creams. During this period, he has also had a 6-kg (13.5-lb) weight loss. Examination shows a scaly rash over his chest, back, and thighs. A phot... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old boy is brought in by his mother to his pediatrician for headache and nausea. His headaches began approximately 3 weeks ago and occur in the morning. Throughout the 3 weeks, his nausea has progressively worsened, and he had 2 episodes of emesis 1 day ago. On physical exam, cranial nerves are g... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A simple experiment is performed to measure the breakdown of sucrose into glucose and fructose by a gut enzyme that catalyzes this reaction. A glucose meter is used to follow the breakdown of sucrose into glucose. When no enzyme is added to the sucrose solution, the glucose meter will have a reading of 0 ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Three days into hospitalization for a fractured distal femur, a 33-year-old man develops dyspnea and confusion. He has no history of a serious illness. He is unable to answer any questions or follow any commands. His blood pressure is 145/90 mm Hg, the pulse is 120/min, the respiratory rate is 36/min, and... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman comes to the emergency department for a 2-week history of right upper quadrant abdominal pain. She has also been feeling tired and nauseous for the past 5 weeks. She has a history of depression and suicidal ideation. She is a social worker for an international charity foundation. She u... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man comes to the physician because of sudden-onset fever, malaise, and pain and swelling of his wrists and ankles that began a week ago. One month ago, he was started on hydralazine for adjunctive treatment of hypertension. His temperature is 37.8°C (100°F). Examination shows swelling, tende... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old man who recently immigrated to the United States from Haiti comes to the physician because of a 3-week history of progressively worsening exertional dyspnea and fatigue. For the past few days, he has also had difficulty lying flat due to trouble breathing. Over the past year, he has had inte... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man with a past medical history of obesity and hyperlipidemia suddenly develops left-sided chest pain and shortness of breath while at work. He relays to coworkers that the pain is intense and has spread to his upper left arm over the past 10 minutes. He reports it feels a lot like the “hear... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 13-year-old girl is brought to the physician for evaluation of a 2-month history of fatigue. She reports recurrent episodes of pain in her right wrist and left knee. During this period, she has had a 4-kg (8.8-lb) weight loss. Her mother has rheumatoid arthritis. Her temperature is 38... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man comes to the emergency department because of palpitations, dizziness, and substernal chest pain for three hours. The day prior, he was at a friend’s wedding, where he consumed seven glasses of wine. The patient appears diaphoretic. His pulse is 220/min and blood pressure is 120/84 mm Hg.... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A typically healthy 27-year-old woman presents to the physician because of a 3-week history of fatigue, headache, and dry cough. She does not smoke or use illicit drugs. Her temperature is 37.8°C (100.0°F). Chest examination shows mild inspiratory crackles in both lung fields. An X-ray of the chest shows ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old Caucasian man with a history of hypertension and emphysema is brought to the hospital because of progressive lethargy and confusion. The patient has been experiencing poor appetite for the past 3 months and has unintentionally lost 9 kg (19.8 lb). He was a smoker for 35 years and smoked 1 pa... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old male presents with a testicular mass of unknown duration. The patient states he first noticed something unusual with his right testicle two weeks ago, but states he did not think it was urgent because it was not painful and believed it would resolve on its own. It has not changed since he fi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-year-old boy is brought to the emergency department after his mother witnessed him swallow a nickel-sized battery a few hours ago. She denies any episodes of vomiting or hematemesis. The vital signs include: temperature 37.0°C (98.6°F), blood pressure 95/45 mm Hg, pulse 140/min, respiratory rate 15/mi... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old soldier is brought back to a military treatment facility 45 minutes after sustaining injuries in a building fire from a mortar attack. He was trapped inside the building for around 20 minutes. On arrival, he is confused and appears uncomfortable. He has a Glasgow Coma Score of 13. His pulse ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old woman presents to her primary care physician for a routine health maintenance examination. She says that she is currently feeling well and has not noticed any acute changes in her health. She exercises 3 times a week and has tried to increase the amount of fruits and vegetables in her diet. ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old woman with a past medical history of anorexia nervosa presents to the clinic due to heavy menses, bleeding gums, and easy bruisability. She says she is trying to lose weight by restricting her food intake. She has taken multiple courses of antibiotics for recurrent sinusitis over the past mo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old obese female presents to the emergency room complaining of severe abdominal pain. She reports pain localized to the epigastrium that radiates to the right scapula. The pain occurred suddenly after a fast food meal with her grandchildren. Her temperature is 100.9°F (38.2°C), blood pressure is... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old Asian woman presents to her primary care physician with joint pain and a headache. She has had intermittent joint and muscle pain for the past several months in the setting of a chronic headache. She states that the pain seems to migrate from joint to joint, and her muscles typically ache ma... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Your colleague has been reading the literature on beta-carotene supplementation and the risk of heart disease. She thinks they may share a clinically relevant association and would like to submit an editorial to a top journal. Upon final literature review, she discovers a newly published study that refute... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old girl comes to the physician with her father for evaluation of short stature. She feels well overall but is concerned because all of her friends are taller than her. Her birth weight was normal. Menarche has not yet occurred. Her father says he also had short stature and late puberty. The gir... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> In which of the following pathological states would the oxygen content of the trachea resemble the oxygen content in the affected alveoli? ---- <<Choices:>> A) Emphysema B) Pulmonary fibrosis C) Pulmonary embolism D) Foreign body obstruction distal to the trachea ---- <<Answer:>> | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 32-year-old man comes to the physician because of a 1-week history of upper back pain, dyspnea, and a sensation of pressure in his chest. He has had no shortness of breath, palpitations, fevers, or chills. He emigrated from Ecuador when he was 5 years old. He does not smoke or drink a... | B |
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