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Answer the following medical question with the correct letter choice: | <<Question:>> After the administration of an erroneous dose of intravenous phenytoin for recurrent seizures, a 9-year-old girl develops bradycardia and asystole. Cardiopulmonary resuscitation was initiated immediately. After 15 minutes, the blood pressure is 120/75 mm Hg, the pulse is 105/min, and the respirations are ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old woman presents complaining of shortness of breath, chest pain, and fatigue. The patient complains of dyspnea upon exertion, generalized fatigue, lethargy, and chest pain associated with strenuous activities. Her history is notable for an atrial septal defect at birth. Her temperature is 99.5... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old man with HIV comes to the physician for a routine follow-up examination. He has been noncompliant with his antiretroviral medication regimen for several years. He appears chronically ill and fatigued. CD4+ T-lymphocyte count is 405/mm3 (N ≥ 500). Further evaluation of this patient is most li... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 41-year-old male who takes NSAIDs regularly for his chronic back pain develops severe abdominal pain worse with eating. Upper endoscopy is performed and the medical student asks the supervising physician how the histological differentiation between a gastric ulcer and erosion is made. Which of the follo... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-month-old male presents to the emergency department with his parents after his three-year-old brother hit him on the arm with a toy truck. His parents are concerned that the minor trauma caused an unusual amount of bruising. The patient has otherwise been developing well and meeting all his milestones... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old woman, gravida 2, para 1, at 31 weeks' gestation is admitted to the hospital because her water broke one hour ago. Pregnancy has been complicated by iron deficiency anemia and hypothyroidism treated with iron supplements and L-thyroxine, respectively. The patient followed-up with her gynecol... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old woman is brought to the emergency department by her husband because of difficulty walking, slurred speech, and progressive drowsiness. The husband reports that his wife has appeared depressed over the past few days. She has a history of insomnia and social anxiety disorder. She appears letha... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> At a counseling session, a 15-year-old boy recounts his childhood. He explained that his father was an angry, violent man who physically abused him and his younger brother every time he was drunk - which was almost every night. The boy said that the only way he could escape the situation was to believe th... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-month-old girl is brought to the physician because of a 1-month history of poor feeding and irritability. She is at the 15th percentile for height and 5th percentile for weight. Examination shows hypotonia and wasting of skeletal muscles. Cardiopulmonary examination shows no abnormalities. There is he... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman is brought to the emergency department by her friend because of a 1-hour episode of confusion. Earlier that night, they were at a dance club, and the patient was very energetic and euphoric. Thirty minutes after arriving, she became agitated and nauseous. She no longer seemed to know w... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A new drug X is being tested for its effect on renal function. During the experiments, the researchers found that in patients taking substance X, the urinary concentration of sodium decreases while urine potassium concentration increase. Which of the following affects the kidneys in the same way as does s... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Two days after delivery, a 4300-g (9-lb 8-oz) newborn has difficulty feeding and has become increasingly lethargic. His cry has become weak. He was born at term. His mother has a history of intravenous drug use. His temperature is 36.4°C (96.5°F), pulse is 170/min, respirations are 62/min, and blood press... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old woman comes to the physician with a 6-month history of cough and dyspnea. She has smoked 1 pack of cigarettes daily for the past 30 years. Analysis of the sputum sample from bronchoalveolar lavage shows abnormal amounts of an isoform of elastase that is normally inhibited by tissue inhibitor... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-day-old male infant is brought to the physician because of respiratory distress and bluish discoloration of his lips and tongue. He was born at term and the antenatal period was uncomplicated. His temperature is 37.3°C (99.1°F), pulse is 170/min, respirations are 65/min, and blood pressure is 70/46 mm... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old girl presents with a low-grade fever, lethargy, and fatigue for the past week. The patient’s mother says she also complains of leg pain for the past couple of weeks. No significant past medical history. The patient was born at term via spontaneous transvaginal delivery with no complications. ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old woman presents to the clinic for a 2-month history of ‘fogginess’. She reports that for the last couple of months she feels like she has "lost a step" in her ability to think clearly, often forgetting where she parked her car or to lock the front door after leaving the house. She also feels ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old female with no significant past medical history present to her primary care physician for her annual check up. She missed her several appointments in the past as she says that she does not like coming to the doctor's office. When she last presented 1 year ago, she was found to have an elevat... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old man presents to the office with complaints of malaise, anorexia, and vomiting for the past 2 weeks. He also says that his urine is dark. The past medical history is unremarkable. The temperature is 36.8°C (98.2°F), the pulse is 72/min, the blood pressure is 118/63 mm Hg, and the respiratory ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old woman comes to the physician because of a 3-month history of an oozing, red area above the left ankle. She does not recall any trauma to the lower extremity. She has type 2 diabetes mellitus, hypertension, atrial fibrillation, and ulcerative colitis. She had a myocardial infarction 2 years a... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying the efficiency of a new anti-gout drug in comparison to colchicine in an experimental animal model. The test group of animals is injected with the new drug, while the control group receives injections of colchicine. Which of the following cellular functions will most likely be ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man presents to the office with his wife complaining of difficulty in swallowing, which progressively worsened over the past month. He has difficulty in initiating swallowing and often has to drink water with solid foods. He has no problems swallowing liquids. His wife is concerned about her... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old woman is brought to the emergency department because of a 2-day history of severe epigastric pain and nausea. She has a 20-year history of alcohol use disorder. Nine hours after admission, she becomes increasingly dyspneic and tachypneic. Pulse oximetry on supplemental oxygen shows an oxygen... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old woman comes to the physician because of a 4-day history of abdominal cramps and bloody diarrhea 5 times per day. Her symptoms began after she ate an egg sandwich from a restaurant. Her vital signs are within normal limits. Physical examination shows diffuse abdominal tenderness. Stool cultur... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old woman comes to the physician because of difficulty sleeping. She is afraid of falling asleep and gets up earlier than desired. Four months ago, she was the driver in a car accident that resulted in the death of her unborn child. She has vivid nightmares of the event and reports that she freq... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old woman is diagnosed with a stage IIIa infiltrating ductal carcinoma involving the left breast. The tumor is ER/PR positive, HER-2 negative, poorly differentiated Bloom-Richardson grade 3. 4/20 regional nodes are positive. The patient undergoes a lumpectomy with axillary lymph node dissection,... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-day-old male newborn delivered at 39 weeks' gestation is evaluated because of poor feeding, recurrent vomiting, and lethargy. Physical examination shows tachypnea with subcostal retractions. An enzyme assay performed on a liver biopsy specimen shows decreased activity of carbamoyl phosphate synthetase... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old patient is at his physician’s office for a routine health maintenance exam. The patient has a past medical history of osteoarthritis in his right knee and GERD that is well-controlled with over the counter medication. On a fasting lipid profile, he is found to have high cholesterol. The pati... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old girl comes to the physician for evaluation after a minor motor vehicle collision. While driving down a residential street, a young boy ran out in front of her, chasing after a ball. She applied the brakes of her vehicle and avoided hitting the boy, but then she suddenly experienced generaliz... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man presents to the emergency department complaining of mild vision changes, dizziness, and severe pain in the chest for the past hour. He has also been experiencing nausea since this morning and has already vomited twice. Past medical history includes poorly controlled type 2 diabetes and e... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old woman comes to the physician because of multiple painful, purulent ulcers she noticed on her vulva 2 days ago. The patient has not had fever or burning with urination. She has no history of similar lesions. She had a chlamydial infection at 17 years of age that was treated with antibiotics. ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old woman presents to the clinic with joint pain and swelling of her hands. She reports that the pain lasts for about an hour in the morning and improves as her joints ‘loosen up’. This condition has been bothering her for about 2 years but has recently been impacting her daily routine. She has ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old girl is brought to the emergency department by her father with fever, chills, and a body rash. Her father reports that 3 days ago, his daughter underwent surgery for a deviated nasal septum. Since then, she has been "sleepy" and in moderate pain. When the patient’s father came home from work... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old girl is brought to the emergency department because of chest pain for 2 hours. Eight days ago, she was admitted to the hospital for treatment of low-grade fever, malaise, and sore throat. The hospitalization was complicated by pharyngitis with pseudomembrane formation and severe cervical lymp... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old man comes to the clinic for an annual well-exam. He was lost to follow-up for the past 3 years due to marital issues but reports that he feels fine. The patient reports, “I feel tired but it is probably because I am getting old. I do feel a little feverish today - I think I got a cold.” His ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Which of the following cells in the body depends on dynein for its unique functioning? ---- <<Choices:>> A) Lower esophageal mucosal cell B) Fallopian tube mucosal cell C) Small intestinal mucosal cell D) Adipocyte ---- <<Answer:>> | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old man comes to the clinical for “bumps under his nipples.” He is anxious that this could be breast cancer as his sister was just recently diagnosed. Past medical history is unremarkable except for an appendectomy at age 13. He currently works as a personal trainer and reports a diet that consi... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man comes to the emergency department because of recurrent episodes of fatigue, palpitations, nausea, and diaphoresis over the past 6 months. The episodes have become more frequent in the last 2 weeks and he has missed work several times because of them. His symptoms usually improve after he... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 75-year-old woman is brought to the emergency department by her daughter because of shortness of breath and a productive cough with blood-tinged sputum for the past 24 hours. Five days ago, she developed muscle aches, headache, fever, and clear rhinorrhea. These symptoms lasted 3 days. She lives in a ho... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 11-year-old boy is brought to the emergency department with sudden and severe pain in the left scrotum that started 2 hours ago. He has vomited twice. He has no dysuria or frequency. There is no history of trauma to the testicles. The temperature is 37.7°C (99.9°F). The left scrotum is swollen, erythem... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old woman who lives in New York City presents with headache, fever, and neck stiffness. She received a diagnosis of HIV infection 3 years ago and has been inconsistent with her antiretroviral medications. Recent interferon-gamma release assay testing for latent tuberculosis was negative. A compu... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> An 11-year-old boy is brought to the clinic by his parents for poor academic performance. The patient’s parents say that his teacher told them that he may have to repeat a grade because of his lack of progress, as he does not pay attention to the lessons, tends to fidget about in his seat, and often blurt... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old girl presents with recurrent abdominal pain and a low-grade fever for the past 2 months. The patient’s mother says that she has lost her appetite which has caused some recent weight loss. She adds that the patient frequently plays outdoors with their pet dog. The patient is afebrile and vital... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 69-year-old man is brought to the emergency room by his daughter due to confusion. She reports that her father did not remember who she was yesterday, and his refrigerator was completely empty when she tried to make him lunch. She states that he was acting like himself when she visited him last week. Sh... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 75-year-old gentleman is brought to the ED with confusion that started earlier this morning. His family notes that he was complaining of feeling weak last night and also had a slight tremor at the time. He is afebrile and he has no known chronic medical conditions. Physical exam reveals a cooperative bu... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old woman presents to an outpatient psychiatrist after 2 weeks of feeling “miserable.” She has been keeping to herself during this time with no desire to socialize with her friends or unable to enjoy her usual hobbies. She also endorses low energy, difficulty concentrating and falling asleep, an... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old girl is brought to the physician by her parents for the evaluation of progressive hair loss over the past 2 months. The parents report that they have noticed increased number of hairless patches on their daughter's head. The patient denies any itching. There is no personal or family history ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old woman visits a physician because of fever, chills, dry cough, and a few enlarging masses on her cheeks and neck. Wart-like lesions are present on the nose as shown in the photograph. She reports that she visited the Mississippi area a few months before on a business trip. Her temperature is ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old woman comes to the emergency department because of a 2-hour history of abdominal pain, nausea, and vomiting that began an hour after she finished lunch. Examination shows abdominal guarding and rigidity; bowel sounds are reduced. Magnetic resonance cholangiopancreatography shows the dorsal p... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 14-year-old boy who has been otherwise healthy presents to his doctor complaining of feeling easily winded and light-headed at basketball practice. He has never felt this way before and is frustrated because he is good enough to make varsity this year. He denies smoking, alcohol, or recreational drug us... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old G1P0 presents to her first obstetric visit after having a positive urine pregnancy test at home. Her last menstrual period was 9 weeks ago. She has no past medical history, but her mother has rheumatoid arthritis. The patient states that for several weeks, she has felt especially warm, even ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-day-old female newborn is brought to the emergency department because of fever, poor feeding, and irritability for 6 hours. She was delivered at home at 39 weeks' gestation and delivery was uncomplicated. The mother had no prenatal care. Her temperature is 39.8°C (103.6°F), pulse is 172/min, respirati... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old man visits the outpatient clinic with complaints of heartburn and chest pain for the past 6 months. His pain is retrosternal and was initially only associated with intake of solid foods, but it now occurs with liquids as well. Antacids do not relieve his pain anymore. He is worried about the... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old woman presents to the clinic with severe pain in her left knee of 1-day duration. Physical examination reveals a red, swollen, warm, and tender left knee with a decreased range of motion. The patient affirms that she has been sexually active with several partners over the last year and that ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 14-year-old boy is brought to the physician by his mother because of a 1-month history of pain in his right leg. His mother has been giving him ketorolac at night to improve his sleep, but the pain has not improved. Physical examination shows marked tenderness along the right mid-femur. An x-ray of the ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old Caucasian male suffers from cyanosis and dyspnea relieved by squatting. Which of the following abnormalities is most likely present? ---- <<Choices:>> A) Left ventricular hypertrophy B) Atrial septal defect C) Ventricular septal defect D) Coarctation of the aorta ---- <<Answer:>> | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man presents with burning and shooting in his feet and lower legs, which becomes more severe at night. In the past 6 months, the pain has become much worse and disturbs his sleep. He has a history of type 2 diabetes mellitus and essential hypertension. Which of the following best represent t... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 51-year-old gentleman presents with new onset bilateral paresthesias of his feet. He also admits that he has not been able to exercise as much as previously and his friends have commented that he looks pale. Upon physical exam you find that he has conjunctival pallor and mildly decreased sensation and p... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 51-year-old homeless man presents to the emergency department with severe abdominal pain and cramping for the past 3 hours. He endorses radiation to his back. He adds that he vomited multiple times. He admits having been hospitalized repeatedly for alcohol intoxication and abdominal pain. His temperatur... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 24-year-old woman comes to the physician because of recurrent episodes of a choking sensation, palpitations, diffuse sweating, and shortness of breath over the past 3 months. These episodes occur without warning and last for about 10 minutes before gradually resolving. One episode occ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old woman presents to an outpatient clinic complaining of an increasing vaginal discharge over the last week. The discharge is foul-smelling. The menstrual cycles are regular and last 4–5 days. The patient denies postcoital or intermenstrual bleeding. The last menstrual period was 2 weeks ago. S... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old woman presents to her primary care physician with a chief complaint of epigastric pain that has worsened over the past three weeks. She describes it as sudden “gnawing” sensations that last for up to half a minute before subsiding. She finds some relief after a glass of water, but does not a... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 14-year-old girl presents with pain in her right lower abdomen. She says the pain is sudden, severe, colicky, and associated with nausea and vomiting. Physical examination reveals tachycardia, point tenderness, and rebound tenderness in the right iliac region. Emergency laparotomy reveals an inflamed ap... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man comes to the physician because of fatigue and decreased urination for the past 3 days. His creatinine is 2.5 mg/dL. A photomicrograph of a biopsy specimen of the right kidney is shown. Which of the following mechanisms most likely contributed to this patient's biopsy findings? ---- <<Cho... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An immunologist is studying the stages of development of T lymphocytes in the thymus. He knows that double-negative T cells do not express CD4 or CD8 molecules. After undergoing development within the subcapsular zone in the thymus, double-negative T cells begin to move towards the medulla. While en route... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An otherwise healthy 66-year-old man comes to the physician for evaluation of rough skin over his forehead and the back of his hands. He has tried applying different types of moisturizers with no improvement. He has worked on a farm all his life. Physical examination shows two erythematous papules with a ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A neurology resident sees a stroke patient on the wards. This 57-year-old man presented to the emergency department after sudden paralysis of his right side. He was started on tissue plasminogen activator within 4 hours, as his wife noticed the symptoms and immediately called 911. When the resident asks t... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-week-old male newborn is brought to the physician for the evaluation of persistent irritability and crying. He was born at 36 weeks' gestation. Pregnancy was complicated by polyhydramnios. His mother reports that she nurses him frequently and changes his diapers 18–20 times per day. He is at the 5th p... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 78-year-old woman is brought to the physician by her son because of progressive memory loss for the past year. She feels tired and can no longer concentrate on her morning crossword puzzles. She has gained 11.3 kg (25 lb) in the last year. Her father died from complications of Alzheimer disease. She has... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old man presents with abdominal cramps and diarrhea over the last few weeks. He notes that several of his bowel movements have a small amount of blood. Past medical history is significant for an intermittent cough that has been persistent since returning from Mexico last month. The patient takes... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> You are called to a hemodialysis suite. The patient is a 61-year-old man with a history of hypertension, hypercholesterolemia, and type-2 diabetes mellitus-induced end-stage renal disease who has required hemodialysis for the past year. His current hemodialysis session is nearing the end when the nurse no... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old man with hypertension comes to the hospital because of 4 days of left-sided chest pain, cough, and fever. The chest pain worsens upon inspiration and coughing. His temperature is 38.5°C (101.3° F), pulse is 110/min, respirations are 29/min. There is dullness to percussion at the left base of... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old boy presents to the emergency department of a hospital located in the town of Recuay (which is situated at 3,400 meters above mean sea level [MAMSL]) in the Ancash Region (Peru), 48 hours after returning from a 21-day stay in Lima (the capital city of Peru at 0 MAMSL). The patient has no pre... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman presents to her primary care physician with complaints of muscle pains, poor sleep, and daytime fatigue. When asked about stressors she states that she "panics" about her job, marriage, children, and finances. When asked to clarify what the "panics" entail, she states that it involves ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old is brought to his primary care provider by his mother. They are concerned that his acne is getting worse and may leave scars. They have tried several over the counter products without success. He is otherwise healthy and without complaint. The boy was born at 39 weeks gestation via spontaneo... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old man is brought to the emergency department by his wife because of a 1-day history of headache, blurry vision, and confusion. His wife also says that he hasn't urinated in the past 24 hours. Despite appropriate measures, the patient dies shortly after admission. A photomicrograph of a section... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old woman with a history of anorectal abscesses complains of pain in the perianal region. Physical examination reveals mild swelling, tenderness, and erythema of the perianal skin. She is prescribed oral ampicillin and asked to return for follow-up. Two days later, the patient presents with a hi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 18-year-old woman comes to see her primary care physician for a physical for school. She states she has not had any illnesses last year and is on her school's volleyball team. She exercises daily, does not use any drugs, and has never smoked cigarettes. On physical exam you note bruising around the pat... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man comes to the physician because of a 4-day history of bloody stools. During this time, he has not had nausea, vomiting, abdominal cramps, or pain while defecating. He has had recurrent episodes of non-bloody diarrhea for the past 6 months. His father died of colon cancer at the age of 39 ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 14-year-old boy is brought to the office by his step-parents because he was recently caught beating a stray cat in an alley near his home. He has a police record which includes vandalism, shoplifting, and running away on two occasions. He has also received several detentions and threats of expulsion fro... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A group of investigators discovers a novel monomeric enzyme that cleaves glutamate-valine bonds in a bacterial exotoxin. The substrate binding site of the enzyme is rich in aspartate. A sample of the enzyme is added to two serum samples containing the bacterial exotoxin. One sample is assigned a test cond... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27 year-old-male presents to the Emergency Room as a code trauma after being shot in the neck. En route, the patient’s blood pressure is 127/73 mmHg, pulse is 91/min, respirations are 14/min, and oxygen saturation is 100% on room air with GCS of 15. On physical exam, the patient is in no acute distress;... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old woman presents to the physician with palpitations and increasing swelling of the legs over the past 3 months. During this time, she has also had generalized pruritus. She has dyspnea on exertion. She has no history of asthma. She occasionally takes ibuprofen for chronic headaches she has had... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 69-year-old man is scheduled to undergo radical retropubic prostatectomy for prostate cancer in 2 weeks. He had a myocardial infarction at the age of 54 years. He has a history of GERD, unstable angina, hyperlipidemia, and severe osteoarthritis in the left hip. He is unable to climb up stairs or walk fa... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old man is brought to the emergency department 20 minutes after he fell from the roof of his house. On arrival, he is unresponsive to verbal and painful stimuli. His pulse is 72/min and blood pressure is 132/86 mm Hg. A CT scan of the head shows a fracture in the anterior cranial fossa and a 1-c... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old woman comes to the physician because of an itchy rash on her leg 3 days after she returned from a camping trip with her grandchildren. Examination shows a linear, erythematous, maculopapular rash on the left lower extremity. Treatment with a drug is begun that is also effective for motion si... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man is brought to the emergency department after being found by police confused and lethargic in the park. The policemen report that the patient could not recall where he was or how he got there. Medical history is significant for multiple prior hospitalizations for acute pancreatitis. He al... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is rushed to the urgent care department from a friend’s birthday party with breathing trouble. He is immediately placed on supplemental oxygen therapy. The patient’s father explains that peanut butter treats were served at the event, but he reported not having witnessed his son actually e... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man is brought to the emergency department 45 minutes after being involved in a motor vehicle collision. He is agitated. He has pain in his upper right arm, which he is cradling in his left arm. His temperature is 36.7°C (98°F), pulse is 135/min, respirations are 25/min, and blood pressure i... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 76-year-old man comes to the emergency department because of an episode of seeing jagged edges followed by loss of central vision in his right eye. The episode occurred 6 hours ago and lasted approximately 5 minutes. The patient has no pain. He has a 3-month history of intermittent blurriness out of his... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old man presents to a clinic with complaints of abdominal discomfort and blood in the urine for 2 days. He has had similar abdominal discomfort during the past 5 years, although he does not remember passing blood in the urine. He has had hypertension for the past 2 years, for which he has been p... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old boy is brought to the physician because his urine has been pink since that morning. During the past 2 days, he has had a sore throat and difficulty swallowing. He also reports having a low-grade fever. He has no pain with urination or changes in urinary frequency. He has had 2 similar episod... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old man presents to your clinic with “low back pain”. When asked to point to the area that bothers him the most, he motions to both his left and right flank. He describes the pain as deep, dull, and aching for the past few months. His pain does not change significantly with movement or lifting h... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman, gravida 1, para 0, at 22 weeks' gestation is brought to the emergency department by her husband because of a 2-day history of confusion and falls. Pregnancy has been complicated by excessive vomiting and an 8-kg (17-lb) weight loss over the past 10 weeks. Physical examination shows ve... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old professional surfer presents to the emergency room with leg pain and a headache. He recently returned from a surf competition in Hawaii and has been feeling unwell for several days. He regularly smokes marijuana and drinks 6-7 beers during the weekend. He is otherwise healthy and does not ta... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old man presents to the emergency department following a motor vehicle accident where he was an unrestrained passenger. On initial presentation in the field, he had diffuse abdominal tenderness and his blood pressure is 70/50 mmHg and pulse is 129/min. Following administration of 2 L of normal s... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 69-year-old man presents with progressive malaise, weakness, and confusion. The patient’s wife reports general deterioration over the last 3 days. He suffers from essential hypertension, but this is well controlled with amlodipine. He also has type 2 diabetes mellitus that is treated with metformin. On ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A graduate student in public health is conducting a study on population health and is comparing different demographic models. He is particularly interested in investigating health care interventions in societies with the demographic distribution shown. Which of the following measures is most likely to ens... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old woman presents to the office with chief complaints of skin pigmentation and fragility of the extensor sides of both hands for a month. The lesions are progressive and are not directly sensitive to light. The patient is otherwise healthy and only uses an oral contraceptive. There is no skin d... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> In a routine medical examination, a young man is noted to be tall with slight scoliosis and pectus excavatum. He had been told that he was over the 95% percentile for height as a child. Auscultation reveals a heart murmur, and transthoracic echocardiography shows an enlarged aortic root and mitral valve p... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Four days after delivery, a 1400-g (3-lb 1-oz) newborn has a tonic seizure that lasts for 30 seconds. Over the past 24 hours, he has become increasingly lethargic. He was born at 31 weeks' gestation. Antenatal period was complicated by chorioamnionitis. Apgar scores were 4 and 5 at 1 and 5 minutes, respec... | D |
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