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Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman comes to the physician with a lump on her throat that has steadily increased in size over the past 5 months. She does not have difficulties swallowing, dyspnea, or changes in voice. Examination shows a 3-cm, hard swelling on the left side of her neck that moves with swallowing. There i... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old female patient comes to the physician’s office for her annual check-up visit. She has no complaints and her past medical history is notable for diabetes and hypertension. During this visit, the patient undergoes screening procedures per guidelines including a mammogram. On the screening mamm... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-month-old girl is brought to the pediatrician by her concerned father. He states that ever since her uncomplicated delivery she has failed to gain weight, has had chronic diarrhea, and has had multiple bacterial and viral infections. During the course of the workup, an absent thymic shadow is noted an... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-year-old boy is brought to the clinic by his parents for a regular check-up. His weight, height, and head size were found to be in the lower percentile ranges on standard growth curves. His hair is tangled and has a dry, brittle texture. Genetic testing reveals that the patient has a connective tissue... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old girl is brought to the physician because she has not had a menstrual period. There is no personal or family history of serious illness. She is 165 cm (5 ft 5 in) tall and weighs 57 kg (125 lb); BMI is 21 kg/m2. Vital signs are within normal limits. Examination of the breasts shows a secondar... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 51-year-old man presents the emergency room with chest pain. He mentions that the pain started several hours ago and radiates to his left neck and shoulder. He also mentions that he has some difficulty in breathing. He says that he has had similar chest pains before, but nothing seemed to be wrong at th... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman presents to the physician for a follow-up visit. She has no specific complaints at this visit however, she has noticed that she is more tired than usual these days. At first, she ignored it and attributed it to stress but she feels weaker each week. She is sometimes out of breath while... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> An 89-year-old woman is brought to the emergency department by her husband because of diarrhea and weakness for 4 days. She has 2–3 loose stools every day. She has also had 3 episodes of vomiting. She complains of a headache and blurry vision. Three weeks ago, she returned from a cruise trip to the Bahama... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman is brought to the emergency department by her husband due to upper abdominal pain, nausea, and vomiting for the past couple of hours. She had similar episodes in the past, which were often precipitated by food but resolved spontaneously. Her temperature is 38.3°C (101.0°F), heart rate ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A mother brings her 18-year-old daughter to your office because she has not menstruated yet. They recently immigrated from another country, and do not have any previous medical records. The adolescent girl looks relatively short, but otherwise looks healthy. She has no complaints except for mild intermitt... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old woman with a pancreatic insulinoma is being prepared for a laparoscopic enucleation of the tumor. After induction of general anesthesia, preparation of a sterile surgical field, and port placement, the surgeon needs to enter the space posterior to the stomach to access the pancreatic tumor. ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man is brought to the emergency room by his wife for severe abdominal pain for the past 1 hour. He is unable to give more information about the nature of his pain. His wife says that he has peptic ulcer disease and is being treated with antacids without a good response. She adds that he vomi... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man presents with episodes of palpitations for the past 3 weeks. He says that he has episodes where he feels his heart is ‘racing and pounding’, lasting 1–2 hours on average. Initially, he says the episodes would happen 1–2 times per week but now happen almost every day. This last episode ha... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> In 2005, a group of researchers believed that prophylactically removing the ovaries and fallopian tubes (bilateral salpingo-oophorectomy) in BRCA-mutation positive women would reduce the chance that they developed breast cancer. To test this hypothesis, they reviewed a database of women who were known to ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old man with a history of type 2 diabetes mellitus is referred to a urologist. The patient has had pain when urinating and difficulty starting a stream of urine for over 4 months now. He is bothered because he has to urinate about 9 times every day, including several times when he wakes up at ni... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old man presents with a 7 month history of insomnia. The patient admitted to having trouble sleeping from a young age but became more aware of how much this is affecting his health after attending a sleep conference earlier this year. He is worried that his health has suffered because of this, a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old girl is brought to the cardiologist because of sweating and respiratory distress while eating. She is at the 30th percentile for height and 15th percentile for weight. Echocardiography shows a defect in the membranous portion of the interventricular septum and a moderately decreased left vent... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old man comes to the emergency department because of increasing shortness of breath and a nonproductive cough for the last week. Three weeks ago, he had a fever and a cough for 6 days after he returned from a trip to Southeast Asia. He has had a 4-kg (9-lb) weight loss over the past 3 months. He... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old man is brought to the emergency department because of sudden-onset right-sided body numbness for 1 hour. He reports that he has a 15-year history of hypertension treated with hydrochlorothiazide. He is alert and oriented to time, place, and person. Neurological examination shows decreased se... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-year-old boy is brought in by his mother because of bruising on his torso and limbs. The patient’s mother denies any other symptoms and says he is otherwise healthy. Physical examination shows multiple petechiae and bruising on the torso and extremities bilaterally. The remainder of the physical exam ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old man comes to the physician because of a 4-week history of a painless lump near the left wrist and tingling pain over his left hand. Physical examination shows a transilluminating, rubbery, fixed, non-tender mass over the lateral volar aspect of the left wrist. There is decreased sensation to... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man comes to the physician for the evaluation of a painless right-sided scrotal swelling. The swelling started several weeks ago but is not always present. Physical examination shows an 8-cm, soft, cystic nontender right-sided scrotal mass that transilluminates. The mass does not increase in... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old patient is brought into the emergency department after suffering a motor vehicle crash where he was pinned underneath his motorcycle for about 30 minutes before a passerby called 911. While evaluating him per your institution's trauma guidelines, you discover pain upon palpation of his right... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 18-month-old boy is brought to the physician by his mother because of a 2-day history of fever and a pruritic rash that started on his trunk and then progressed to his face and extremities. He has not received any childhood vaccinations because his parents believe that they are dangerous. His temperatu... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old male is brought to the emergency department after his son found him vomiting bright red blood. He is visibly intoxicated, and hospital records indicate a long history of alcohol substance abuse treated with antabuse (disulfiram). Vital signs include T 98.4, HR 89, BP 154/92, and RR 20. EGD i... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A medical student is preparing a patient for an appendectomy. He is asked by the surgeon to disinfect the patient’s skin with a chlorhexidine-isopropyl alcohol solution before the procedure. Recent studies have shown that this solution substantially reduces the risk of surgical site infections compared wi... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old man with a past medical history significant only for facial acne presents with increased inguinal pruritis. Relevant social history includes participation in school wrestling. He has no significant family history. Other than the pruritic rash, a review of systems is negative. On physical exa... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-week-old girl is brought to the pediatrician for a post-natal visit. She was born at 38 weeks gestation to a 25-year-old woman via an uncomplicated spontaneous vaginal delivery. The mother reports that prenatal screening revealed no developmental abnormalities and that the baby has been gaining weight... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is brought to the physician because of a 3-week history of burning sensation in his mouth. One year ago, a peripheral blood smear performed during workup of fatigue revealed erythrocytes without central pallor. His father had gallstones, for which he underwent a cholecystectomy at the age... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An experimental new drug in the treatment of diabetes mellitus type 2 was found to increase the levels of incretins by preventing their degradation at the endothelium. This further increased glucose-dependent insulin production. Which of the following drugs has a mechanism of action most similar to this n... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man with severe persistent asthma since the age of 14 presents with an acute exacerbation of shortness of breath, wheezing, and coughing over the last several days. His asthmatic symptoms are usually well controlled with regular high-dose inhaled triamcinolone, but over the last week or so h... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 75-year-old man is admitted to the hospital because of a 3-day history of a productive cough and shortness of breath. His temperature is 38°C (100.4°F) and respirations are 32/min. Crackles are heard over the right upper and the entire left lung fields. Sputum culture confirms infection with Streptococc... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-month-old infant is brought to the emergency department by her mother due to a fall. Tearfully, the patient’s mother describes witnessing her child fall from the changing table. The patient was born prematurely at 36 weeks estimated gestational age via vacuum-assisted vaginal delivery. The patient is ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A researcher is interested in identifying the most effective treatment for uncomplicated urinary tract infections (UTI) in women between the ages of 18 and 50. Of 200 consecutive women who present to the emergency room for such a UTI, 50 are randomized to each of the following: nitrofurantoin 100 mg every... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old man comes to the emergency department because of acute onset neck pain and enlargement. Specifically, he reports that he has been experiencing pain and swelling of the anterior portion of his neck near the midline. Otherwise, he says that he has been getting tired easily and feels cold often... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man presents to the office because of extreme fatigue for the past 2 days. He is also worried about his skin looking yellow. He does not have any other complaints and denies fever and headache. He admits to using illicit intravenous drugs in the past. He does not have any immunization record... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old female presents to her primary care provider with an aching pain in her left leg that has progressively gotten worse over several days. She recently had an unfortunate sporting incident resulting in large bruises along both legs and lower thighs. An X-ray after the event was negative for fra... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old woman with a history of asthma visits her physician for worsening shortness of breath. She states that she feels as though her “lungs are falling apart,” noting that her lung function has been steadily deteriorating. She further states that she has visited a number of other physicians who pr... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old man is brought to the emergency department with complaints of fever (41.5℃ (106.7℉)) and diarrhea for the past 12 hours. There is no history of headaches, vomiting, or loss of consciousness. The past medical history is unobtainable due to a language barrier (the patient recently immigrated f... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-year-old girl is brought to the emergency department 3 hours after the sudden onset of colicky abdominal pain and vomiting. The patient also manifests symptoms of redness and swelling of the face and lips without pruritus. Her symptoms began following a tooth extraction earlier in the morning. She ha... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A healthy 21-year-old man undergoes physical fitness testing prior to long-term submarine deployment. To evaluate his pulmonary function, lung and thoracic compliance are measured at different system pressures. A graph of the relationship between his lung volume and transpulmonary pressure is shown. The d... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-day-old boy is brought to the emergency department because of a 4-hour history of somnolence, poor feeding, and one episode of vomiting. He is exclusively breastfed. His serum glucose concentration is 88 mg/dL and his serum ammonia concentration is 850 μmol/L (N<90). Urinalysis shows an increased orot... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old woman comes to the physician because of dragging pelvic pain and a 3 kg (6 lb 9 oz) weight loss over the past 6 months. Menses occur at irregular 30- to 45-day intervals; her last menstrual period was 5 weeks ago. Her temperature is 38°C (100.4°F), heart rate is 102/min, and blood pressure i... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man comes to the emergency department with the complaint of pain in his right toe for the past hour. The pain is so severe that it woke him up. The patient has smoked a pack of cigarettes daily for the last 40 years and binge drinks alcohol after work and on the weekends. He underwent an app... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old man presents to the infectious diseases clinic for follow-up. He was recently admitted to the hospital with fever, shortness of breath, and cough, and was found to have Pneumocystic jirovecii pneumonia and a new diagnosis of HIV. His CD4 count is 175, viral load is pending. As part of routin... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year old man presents to his primary care physician for his yearly checkup. He has not noticed any major changes in his health over the last year but says that unfortunately, he stopped exercising because he has been stressed by work. His past medical history is significant for obesity, hypertension,... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old woman presents to her OB/GYN for a preconception visit. She wishes to become pregnant within the next several months. A thorough history reveals that the patient suffers from phenylketonuria (PKU). She recalls being instructed by prior physicians to follow a diet that avoids certain foods; h... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old man presents to his family physician with a sudden onset of severe pain and redness in his eyes that started this morning. He is having difficulty seeing properly and is extremely worried about losing his vision. Further history reveals that he has had progressive lower back pain for over 2 ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old woman presents to her physician’s clinic for recurrent episodes of chest pain that wakes her from her sleep. While usually occurring late at night, she has also had similar pains during the day at random times, most recently while sitting at her desk in her office and at other times while do... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old male presents to his pediatrician with complaints of malaise, fatigue, sore throat, and fever over the last several days. His vital signs are as follows: T 39.1 C, HR 82, BP 122/76, RR 14, and SpO2 99%. Physical examination is significant for splenomegaly, tonsillar exudate, and posterior au... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 75-year-old man comes to the physician because of a 7-day history of nausea and vomiting. Over the past 2 days, he has also been feeling weak and tired. When standing up after sitting for a while, he feels dizzy. He says he has to go to the bathroom more often than usual, and that he is urinating “a nor... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old woman presents to her primary care physician for her yearly exam. Her only complaint is difficulty losing weight. Her BMI is 34 kg/m^2. In addition to a standard physical exam, the physician orders a glucose tolerance test. The woman's fasting blood glucose level is 120 mg/dL and two-hour po... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old male presents to the emergency department for evaluation of hemoptysis. A chest X-ray reveals bilateral focal pulmonary consolidation. On further questioning, he admits having hematuria. Urinalysis shows RBC casts and 400 mL of urine is excreted in 24 hours. What is the most likely cause of ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old man comes to the physician with a 2-month history of difficulty concentrating at work. He is worried he may lose his job due to poor performance. He feels constantly tired but attributes his fatigue to waking up early most mornings and being unable to fall back asleep. His wife has noticed t... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old female presents to her primary care physician complaining of double vision. She first started seeing double after a long day at her work as a radiation technologist. Since then, her vision has appeared to worsen in the evenings. She has also felt worsening fatigue despite no change in her wo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 76-year-old woman visits a physician for a general medical examination. She is asymptomatic. Six months prior, she had a cerebral stroke with left hemiparesis, from which she has almost completely recovered with physiotherapy. She has a history of hypertension and atrial fibrillation (AF). She has no si... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old boy is brought to his primary care physician for a physical prior to beginning a preschool program. He is found to be delayed in reaching normal childhood cognitive and social milestones, which is consistent with observations at previous check-ups. Physically, he is also found to be significa... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Accurate and rapid identification of individuals with tuberculosis (TB) is crucial to accomplishing the goal of the World Health Organization (WHO) to eliminate this disease. One of the key strategies for the detection of TB is the use of tuberculin skin testing as a globally pertinent screening method, d... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old caucasian male is transferred to a tertiary care hospital from a small county hospital where he presented with jaundice and severe abdominal pain that radiates to the back. While in the county hospital, he did not develop fever, and his vital signs were stable for the 48 hours he spent at th... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A one-week-old, full-term infant born by uncomplicated vaginal delivery is brought to a pediatrician by his mother, who notes that her daughter's skin appears yellow. She reports that the child cries several times per day and sleeps 7-8 hours at night, uninterrupted. She has been breastfeeding exclusively... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old woman arrives to the clinic complaining of progressive urinary leakage that has occurred for the past 1 year. At first, she would notice leakage only during athletic exercise, but now the incontinence occurs even when she laughs or coughs. The patient states that she goes to the bathroom mor... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old woman presents to the emergency department after an episode of altered mental status. She was at a party when she suddenly fell to the floor. Her friends state that she was not responsive and was acting oddly. After the episode, the patient seemed confused and had no memory of the event. The... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old woman presents to a physician for evaluation of vomiting and diarrhea for 2 days. Her symptoms began following a company picnic a few days ago. Initially, she was unable to tolerate any solids or liquids by mouth, but now has been able to drink sips of water. She had a mild headache, which w... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A one-week-old boy presents with yellow sclerae, severe lethargy, and decreased muscle tone. His mother notes that the symptoms started shortly after birth and have been progressively worsening. The patient is breast fed and takes no medications. His labs are within normal limits with the exception of his... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A researcher is conducting an experiment on the mouse kidney to study the relative concentrations between the tubular fluid and plasma of a number of substances along the proximal convoluted tubule. Based on the graph shown in figure A, which of the following best describes the tubular fluid-to-plasma con... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man comes to the emergency department because of right-sided back pain, nausea, and dark urine. He reports alternating episodes of decreased urine output followed by a temporary increase in urine output for the past 2 days. In the past year, he has had two urinary tract infections. He has Cr... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> An 8-year-old boy is brought to the physician because he has excessively dry skin. His mother says that he has had dry, scaly skin since he was 6 months old. She says it is worse in winter and better in summer. There is no associated itching, redness, or discharge. Examination reveals generalized fine sca... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old woman, gravida 3, para 2, at 24 weeks' gestation comes to the emergency department because of vaginal bleeding and mild pelvic pain for 2 hours. Her current pregnancy was achieved by means of in vitro fertilization due to azoospermia in her partner. Prenatal course has been uncomplicated wit... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old boy is rushed to the emergency room with acute vomiting and abdominal pain that began earlier today. His parents say that the boy was doing well until two days ago when he told them that he was feeling unwell. He has diabetes and takes insulin but stopped taking it when he began to feel poor... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old male presents to the emergency department with chest pain. He reports that one hour ago he was climbing the stairs in his home when he suddenly developed excruciating chest pain. He describes the pain as ripping and radiating to the back. The patient’s past medical history is significant for... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A mother brings her 6-year-old daughter to the pediatrician to discuss her child's sleeping troubles. Three times now in the last month the child has begun screaming and crying in the middle of the night. When the parents rush to the child's room, they find her crying inconsolably. They try to ask her wha... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 18-year-old woman comes to the physician because of a pruritic rash on her back for the past 2 hours. This morning, she started a course of ceftriaxone for treatment of pyelonephritis. A photograph of the rash is shown. This patient's skin findings are most likely associated with which of the following... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Two hours after admission to the hospital for dialysis, a 63-year-old woman has severe pain in her lower back. The pain is 8 out of 10 in intensity and radiates down the legs. She underwent a laparoscopic cholecystectomy 4 years ago. She has hypertension, chronic kidney disease, type 2 diabetes mellitus, ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old man comes to the physician because of swelling of his legs for 2 months. Three months ago, he was diagnosed with hypertension and started on a new medication. His blood pressure is 145/95 mm Hg. Physical examination shows 2+ edema in both lower extremities. Laboratory studies are within the ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying the function of different enzymes in various human cell types. A subset of normal human cells with an elevated intracellular concentration of bisphosphoglycerate mutase is harvested and isolated. Which of the following is most likely to be absent in these cells? ---- <<Choices:... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman is brought to the emergency room after a motor vehicle accident. On arrival, she is stable and says that she hit a car at an intersection that "came out of nowhere". She states that she had similar close encounters with other cars these past few weeks but was able to avoid collisions w... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman comes to the physician because of a 2-month history of episodic headaches associated with dizziness, nausea, and vomiting. Over-the-counter pain medications have failed to reduce her symptoms. An MRI of the brain shows isolated dilation of the left lateral ventricle. This dilatation is... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 20-day-old child is brought to the emergency department by her parents. They are concerned about lethargy and easy bruising. Her mother reports that she has been eating less for the past few days. Today she was difficult to arouse. She normally nurses four-five times a day, but ate less yesterday and th... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-year-old boy is brought to the physician because of a generalized, non-itchy rash for 2 days. He has also had a fever and sore throat for 4 days. He has not received any routine childhood vaccinations. Examination shows a flushed face except around his mouth. A diffuse, papular, erythematous rash tha... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man presents to the emergency department with fever, nausea, and vomiting. The patient states that his symptoms started last night and have persisted to this morning. He has a past medical history of asthma, and his current medications include albuterol and fluticasone. His temperature is 10... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old man comes to the physician with a 1-week history of sore mouth. He says that swallowing is not painful. He has had asthma for more than 20 years. His only medication is a high-dose combination salmeterol/fluticasone inhaler. His temperature is 37.1°C (98.8°F), pulse is 74/min, respirations a... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old woman is brought to the emergency department because of a 2-day history of fever, chills, nausea, and flank pain. She has multiple sclerosis and a chronic indwelling bladder catheter for neurogenic bladder dysfunction. One week ago, she was discharged from the hospital after treatment for a ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old man comes to the physician for episodic fever, recurrent night sweats, and a 6-kg (14.2-lb) weight loss over the past 2 months. He reports that the fever lasts for 7 to 10 days, then subsides completely for about a week before returning again. His temperature is 39°C (102.2°F). Physical exam... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old woman comes to the physician for the evaluation of nausea for the last two weeks. During this period, she has had increased urinary frequency and fatigue. She also reports two episodes of non-bloody vomiting. There is no personal history of serious illness. Her last menstrual period was 6 we... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-week-old male infant is brought to the physician by his mother because of a 2-day history of recurrent nonbilious vomiting. Vomiting occurs almost immediately after most feeds. Each time, he becomes irritable while feeding and refuses to finish the bottle. He was born at 37 weeks' gestation and weighe... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-year-old Syrian immigrant and her family present for an immigration physical. Her mother describes photophobia, bilateral lacrimation, eye itching, and eyelid swelling for the last week. She is known to have an allergy to cephalosporins. She was born at 39 weeks gestation via spontaneous vaginal deliv... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> Three days after induction chemotherapy, a 9-year-old boy is admitted to the hospital for fever and neutropenia. He was initially diagnosed with t(9;22)-positive acute T cell lymphoblastic leukemia following workup for fatigue and pancytopenia. He is fully conscious. His blood pressure is 110/65 mm Hg, te... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old homeless man comes to the emergency department because of progressive neck pain for 3 days. He also reports headaches and numbness in both hands. Over the past 4 months, he has had intermittent lower back pain after waking up. The back pain improves with movement. He also has recurrent episo... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-month-old girl is brought to the emergency department with persistent vomiting, dehydration, and irritability. Over the past week, she has been projectile vomiting after most feedings. Initially, the vomiting would occur just once or twice a day, but now it occurs after every feed. However, her appeti... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-year-old girl is brought to a clinic by her parents after 1 week of difficulty breathing, dry cough, and low-grade fevers. She has also developed shallow erythematous ulcers inside of her mouth. There is no history of chills, rigors, or headaches. Her appetite has decreased. The girl has been HIV-pos... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man presents to the emergency department with confusion. The patient lives in a nursing home and has Alzheimer dementia at baseline. His nurse noticed that he was more confused than usual and was somnolent for the past 12 hours. The patient’s nurse also noticed that he was soiling his diaper... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old woman is referred to the outpatient psychiatry clinic from the medical clinic. The patient is being treated for urge incontinence but is being referred for psychiatric evaluation to help with some of her old avoidance behavior. For the 3 months that she had her urinary symptoms, she avoided ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old male presents to the emergency department with dyspnea and palpitations. He does not smoke cigarettes or consume alcohol, and past medical history is insignificant. Blood pressure is 115/75 mmHG and heart rate is 125/min. Heart rhythm is irregularly irregular. After initial treatment with IV... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Public health researchers are reviewing data from an outbreak of hepatitis A that was traced to contaminated produce from a popular restaurant. A case series investigation with prospective and retrospective follow-up found that 500 individuals dined at the restaurant during the week of study. The incidenc... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old man is brought to the emergency room by ambulance after being involved in a motor vehicle collision. He was driving a motorcycle and collided with a bus. The EMT personnel found the patient alert with anterograde amnesia for the several minutes preceding the accident. Vital signs are within ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man presents to his primary care physician for a follow-up visit. He has type 1 diabetes mellitus, for which he takes insulin. He complains of frequent episodes of waking up in the middle of his sleep. When he wakes up, he feels excessive sweating, hand tremors, and weakness. His morning blo... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A researcher conducts multiple experiments to establish an infection and disease model for Clostridium perfringens in chickens. To ensure that all instruments are free of the pathogenic organism, he uses a disinfectant that oxidizes and denatures proteins. Which of the following disinfectants did the rese... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman visits her obstetrician for an antenatal appointment. She is at the 24th week of gestation. She has had type 1 diabetes mellitus for 5 years and is on insulin. She also has mitral stenosis, for which she has been advised to undergo a balloon valvotomy. Her temperature is 37.1°C (98.7°F... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old man presents to the physician with a complaint of back pain for the past 2 months. The pain is present throughout the day, and even at night when he lies down. He also complains of difficulty walking upstairs and says he recently started to wear adult diapers because he seems to have difficu... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 18-year-old college student presents to the student health clinic complaining of excessive sleepiness. He first noticed the daytime sleepiness about a year ago but reports that it significantly worsened once he started college. He reports that he goes to bed around 9 p.m. and wakes up for class at 8 a.... | C |
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