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Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old boy is brought to the emergency department with an enlarged left knee. The patient’s parents state that his knee began to swell up a few hours ago while the family was indoors, watching TV. This has never happened before. The boy says his knee hurts when he puts weight on it. Past medical his... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 69-year-old man is brought in by his wife with acute onset aphasia for the past 5 hours. The patient’s wife says that they were sitting having dinner when suddenly he was not able to speak. They delayed coming to the hospital because he had a similar episode 2 months ago which resolved within an hour. H... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman presents with a painful lesion in her mouth. She denies tooth pain, bleeding from the gums, nausea, vomiting, diarrhea, or previous episodes similar to this in the past. She states that her last normal menstrual period was 12 days ago, and she has not been sexually active since startin... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old woman, gravida 1, para 1, comes to the physician for the evaluation of a painful mass in her left breast for several days. She has no fevers or chills. She has not noticed any changes in the right breast. She has no history of serious illness. Her last menstrual period was 3 weeks ago. She a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-month-old girl is brought to the pediatrician by her mother with a history of 3 episodes of breath-holding spells. The patient’s mother says that this is a new behavior and she is concerned. The patient was born at full term by spontaneous vaginal delivery with an uneventful perinatal period. She is ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old woman presents to the physician with the complaint of worsening fatigue over the past several months. She has found that she requires nearly double the amount of coffee consumption each day to stay awake at work and that despite maintaining a balanced, healthy diet, she has experienced signi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old woman comes to the physician because of a 3-month history of progressive shortness of breath and a dry cough. She has also noticed gradual development of facial discoloration. She has coronary artery disease, hypertension, and atrial fibrillation. She does not remember which medications she ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-month-old boy is brought to the physician by his mother for a well-child examination. He was delivered at term after an uncomplicated pregnancy. His mother says he is breastfeeding well. He is at the 50th percentile for height and 65th percentile for weight. Physical examination shows no abnormalitie... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old girl presents with menorrhagia for the last 4 months. The patient’s mother says that she just started getting her period 4 months ago, which have been heavy and prolonged. The patient does recall getting a tooth extracted 3 years ago that was complicated by persistent bleeding afterward. She... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man comes to the physician because of a 2-month history of worsening shortness of breath with walking. He has not had any cough, fevers, or recent weight loss. He has hypercholesterolemia, for which he takes simvastatin, but otherwise is healthy. For 35 years he has worked for a demolition c... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman comes to the physician because of painful paresthesias in her foot. Examination shows decreased sensation in the first interdigital space and a hallux valgus deformity. This patient's paresthesias are most likely caused by compression of which of the following nerves? ---- <<Choices:>>... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old male is brought to the emergency department by paramedics after being found down on the sidewalk. The paramedics are unable to provide any further history and the patient in unresponsive. On exam, the patient's vitals are: T: 36 deg C, HR: 65 bpm, BP: 100/66, RR: 4, SaO2: 96%. The emergency ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A retrospective study was conducted in a US county in order to determine the frequency of hypodontia (tooth agenesis), the most common craniofacial malformation in humans, as well as to assess the need for an interdisciplinary approach to managing subsequent functional and esthetic sequelae in a target po... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A child is brought into the emergency room by her mother. Her mother states that the 7-year-old child was playing with their dog, who is up to date on his vaccinations. When the dog started playing more aggressively, the child suffered a bite on the hand with two puncture wounds from the dog's canines. Th... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 4-year-old boy is brought to the physician because of a 2-day history of fever and swelling of the neck. His mother says that he has been increasingly weak over the past month. He takes no medications. His vaccination history is complete. His temperature is 39.5°C (103.1°F), blood pre... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-month-old male infant is brought to the physician by his father because of swelling of his left hemiscrotum. He has otherwise been healthy and is gaining weight appropriately. Physical examination shows a nontender left scrotal mass that transilluminates. The mass increases in size when the boy cries ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old woman presents to the family medical center with a 2-week history of a sore throat. She says that she has felt increasingly tired during the day and has a difficult time staying awake during her classes at the university. She appears well-nourished with a low energy level. Her vital signs in... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old man is brought to the emergency department because of a 2-hour history of nausea, vomiting, and retrosternal pain that radiates to the back. Abdominal examination shows tenderness to palpation in the epigastric area. A CT scan of the patient's chest is shown. Which of the following is the mo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman comes to the emergency department because of abdominal cramping, vomiting, and watery diarrhea for the past 4 hours. One day ago, she went to a seafood restaurant with her family to celebrate her birthday. Three of the attendees have developed similar symptoms. The patient appears leth... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old woman comes to the physician because of recurrent episodes of reddish discoloration of her urine. She also has a 3-month history of intermittent abdominal pain, yellowish discoloration of the skin and eyes, and fatigue. Physical examination shows pallor and scleral icterus. The spleen is not... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old male presents to the emergency department with facial swelling and trouble breathing. These symptoms began this morning and progressively worsened over the past several hours. Vital signs are as follows: T 37.7, HR 108, BP 120/76, RR 20, and SpO2 96%. Physical examination reveals nonpitting ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man comes to the emergency department with palpitations, sweating, and shortness of breath that began 10 minutes ago. He says, “Please help me, I don't want to die.” He has experienced several similar episodes over the past 2 months, which occurred without warning in situations including ope... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old man presents to a physician with a single painless ulcer on his glans penis that he first noticed 2 weeks ago. He mentions that he is sexually active with multiple partners. There is no history of fevers. Initially, he thought that the ulcer would go away on its own, but decided to come to t... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-year-old girl with an aortic stenosis correction comes to the office for a follow-up visit for acute lymphoblastic lymphoma. She initiated chemotherapy a week before through a peripherally inserted central line. She reports being ‘tired all the time’ and has been bruising easily. Her vital signs are w... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old pregnant woman, G4 P3, visits your office at week 30 of gestation. She is very excited about her pregnancy and wants to be the healthiest she can be in preparation for labor and for her baby. What vaccination should she receive at this visit? ---- <<Choices:>> A) Live attenuated influenza va... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old Caucasian male presents to your office with hemoptysis and hematuria. On physical exam you note a saddle nose deformity. Laboratory results show an elevated level of cytoplasmic antineutrophil cytoplasmic antibody. Which of the following interventions is most appropriate for this patient? --... | C |
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, severe chest pain, and sweating. He has hypertension and type 2 diabetes mellitus. He has smoked one pack and a half of cigarettes daily for 20 years. An ECG shows ST-segment elevations in leads ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old man presents to the outpatient clinic for a routine health checkup. He recently lost his hearing completely in both ears and has occasional flare-ups of osteoarthritis in his hands and hips. He is a non-diabetic and hypertensive for the past 25 years. His brother recently died due to prostat... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old man is brought to the emergency room after suffering a catastrophic fall while skiing during a training session. He was found unconscious by the aeromedical emergency services team, who established an airway and cervical spine control measures. Upon arrival at the emergency department, venti... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> An 11-year-old boy with Burkitt lymphoma is brought to the emergency department because of nausea, vomiting, flank pain, and dark urine for 1 day. Two days ago, he began induction chemotherapy with cyclophosphamide, vincristine, prednisolone, and doxorubicin. Urinalysis shows 3+ blood and abundant amber-c... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old male with a history significant for IV drug use comes to the emergency department complaining of persistent fatigue and malaise for the past three weeks. On physical exam, you observe a lethargic male with icteric sclera and hepatomegaly. AST and ALT are elevated at 600 and 750, respectively... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 41-year-old woman comes to the doctor because of gradually progressive weakness in her right hand over the past few weeks. She goes to the gym to lift weights 5 times a week. With the dorsum of the right hand on a flat surface, the patient is unable to move her thumb to touch a pen held 2 cm above the i... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old woman presents to the emergency department because she started experiencing dyspnea and urticaria after dinner. Her symptoms began approximately 15 minutes after eating a new type of shellfish that she has never had before. On physical exam her breathing is labored, and pulmonary auscultatio... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 8-year-old boy is brought to the physician by his mother because of 6 months of progressive fatigue and weight loss. His mother reports that during this time, he has had decreased energy and has become a “picky eater.” He often has loose stools and complains of occasional abdominal pa... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-year-old girl presents to your office with a fever and rash. Her mother first noticed the rash 2 days ago after a camping trip. The rash began on her wrists and ankles and has now spread to her palms and the soles of her feet. This morning, she was feeling unwell and complaining of a headache. She ha... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man suffered an anterior wall myocardial infarction that was managed in the cath lab with emergent coronary stenting and revascularization. The patient states that his wife, adult children, and cousins may be disclosed information regarding his care and health information. The patient has be... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An otherwise healthy 28-year-old primigravid woman at 30 weeks' gestation comes to the physician with a 5-day history of epigastric pain and nausea that is worse at night. Two years ago, she was diagnosed with a peptic ulcer and was treated with a proton pump inhibitor and antibiotics. Medications include... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man is brought to the emergency department because of progressive tingling and weakness in both of his legs for the past two days. The patient reports that his symptoms interfere with his ability to walk. Two weeks ago, he had an upper respiratory tract infection, which resolved spontaneousl... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old man comes to the physician because of a 3-week history of productive cough, fever, and lethargy. He also has several skin lesions over his body. His symptoms began 3 weeks after he returned from a camping trip in Kentucky. Three years ago, he underwent kidney transplantation for polycystic k... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old woman presents for a routine wellness checkup. She complains of general fatigue and lethargy for the past 6 months. She does not have a significant past medical history and is currently not taking any medications. The patient reports that she drinks “socially” approx. 6 nights a week. She sa... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old male is rushed to the emergency department after he developed a sudden-onset severe headache with ensuing nausea, vomiting, vision changes, and loss of consciousness. Past medical history is unattainable. He reports that the headache is worse than any he has experienced before. Noncontrast C... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old girl comes to the physician for a well-child examination. She feels well. Her father has coronary artery disease and hypertension. Her mother has type 2 diabetes mellitus, hypercholesterolemia, and had a myocardial infarction at the age of 52 years. She is at the 25th percentile for height a... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old woman who is an established patient presents to your office. She is complaining of increased urination and increased thirst. She has recently began taking several over-the-counter vitamins and supplements. On further review, she reports she has also been having abdominal pain and constipatio... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-year-old boy is brought to his primary care physician after his mom noticed that he was limping. He says that he has been experiencing significant hip and knee pain over the last 2 months but thought he may have just strained a muscle. Radiographs show a collapse of the femoral head, and he is diagnos... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old African American G1P0010 presents to her gynecologist for an annual visit. She has a medical history of hypertension, for which she takes hydrochlorothiazide. The patient’s mother had breast cancer at age 68, and her sister has endometriosis. At this visit, the patient’s temperature is 98.6°... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old previously healthy woman with no other past medical history is post-operative day one from an open reduction and internal fixation of a fractured right radius and ulna after a motor vehicle accident. What is one of the primary ways of preventing postoperative pneumonia in this patient? ---- ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old gravida-2-para-1 at 12 weeks gestation presents for a prenatal visit. Over the past week, she has felt increasingly tired, even after waking up in the morning. She is vegan and avoids all animal products. She was diagnosed with Graves’ disease 6 months ago. Before conception, methimazole was... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old man comes to the physician for a routine health maintenance examination. He has no history of serious illness. His mother has hypertension and his father died of testicular cancer at the age of 51 years. He does not smoke or drink. He is sexually active and uses condoms consistently. He take... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old woman seeks evaluation from her gynecologist due to recent changes in her menstrual cycle. Her last menstrual period was greater than 12 months ago. She has 2 children and had regular menstrual periods in the past. She also complains of difficulty in falling and staying asleep, occasional ho... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old female was found upon mammography to have branching calcifications in the right lower breast. Physical exam revealed a palpable nodularity in the same location. A tissue biopsy was taken from the lesion, and the pathology report diagnosed the lesion as comedocarcinoma. Which of the following... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old male presents to the pediatrician with seizures. His mother reports that the patient has had two seizures lasting about 30 seconds each over the last three days. She reports that the patient has previously had seizures a few times per year since he was 12 months of age. The patient’s past med... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old woman comes to the physician for the evaluation of progressive loss of vision in her left eye and gradual blurring of vision in her right eye over the past 2 months. She also says that she has had occasional headaches and has noticed a decrease in her sense of smell lately. The patient's onl... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old man presents to his primary care physician for a general checkup. The patient is a healthy young man with no significant past medical history. He is a MD/PhD student and lives in New York City. He exercises frequently and is doing very well in school. He is currently sexually active with mul... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old man presents to the physician with blood in his sputum for 3 days. He also mentions that he has had a cough for the last 3 months but thought that it was because of the winter season. He also has often experienced fatigue recently. His temperature is 37.0°C (98.6°F), the respiratory rate is ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old man is brought to a psychiatric hospital by friends for erratic behavior. He has been up for the past several nights painting his apartment walls purple and reading the Bible out loud, as well as talking fast and making sexually provocative comments. Collateral information from family reveal... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old man comes to the physician for a follow-up examination of diffuse exertional chest pain which he has successfully been treating with sublingual nitroglycerin for the past year. The patient has been taking lisinopril daily for essential hypertension. His pulse is 75/min and regular, and blood... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 78-year-old woman living in New Jersey is brought to the emergency department in July with a fever for 5 days. Lethargy is present. She has had bloody urine over the last 48 hours but denies any nausea, vomiting, or abdominal pain. She has no history of serious illness and takes no medications. She has ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman is referred to a reproduction specialist because of an inability to conceive. She comes with her husband, who was previously examined for causes of male infertility, but was shown to be healthy. The patient has a history of 2 pregnancies at the age of 15 and 17, which were both termina... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old man is referred to the dermatologist for 2 months of increasing appearance of multiple smooth, circular patches of complete hair loss on his scalp. He says that the patches have associated pruritus and a burning sensation, and are not improving with the over-the-counter products recommended ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 71-year-old woman presents to her hematologist-oncologist for follow up after having begun doxorubicin and cyclophosphamide in addition to radiation therapy for the treatment of her stage 3 breast cancer. Her past medical history is significant for preeclampsia, hypertension, polycystic ovarian syndrome... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old man comes to the physician because of a 3-week history of left testicular swelling. He has no pain. He underwent a left inguinal hernia repair as a child. He takes no medications. He appears healthy. His vital signs are within normal limits. Examination shows an enlarged, nontender left test... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old woman presents to the emergency department with pain in her right wrist. She says she was walking on the sidewalk a few hours ago when she suddenly slipped and landed forcefully on her outstretched right hand with her palm facing down. The patient is afebrile, and vital signs are within norm... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old primigravida presents to her physician for regular prenatal care at 31 weeks gestation . She has no complaints and the antepartum course has been uncomplicated. Her pre-gestational history is significant for obesity (BMI = 30.5 kg/m2). She has gained a total of 10 kg (22.4 lb) during pregnan... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old boy is brought to the physician by his father because of fever, congestion, and malaise for the past 2 days. He reports a sensation of pressure over his nose and cheeks. Over the past year, he has had an intermittent cough productive of green sputum and lately has noticed some streaks of blo... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman presents with episodes of intermittent fever, arthralgias, constant fatigue, weight loss, and plaque-like rash on sun-exposed areas, which have been gradually increasing over the last 6 months. On presentation, her vital signs include: blood pressure is 110/80 mm Hg, heart rate is 87/m... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A medical student is reviewing dose-response curves of various experimental drugs. She is specifically interested in the different factors that cause the curve to shift in different directions. From her study, she plots the following graph (see image). She marks the blue curve for drug A, which acts optim... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old woman comes to the physician because of a 3-month history of a lump on her neck. The lump is mildly painful. She appears healthy. Examination shows a swelling on the left side of her neck that moves on swallowing. Cardiopulmonary examination shows no abnormalities. Her TSH is 3.6 μU/mL. Ultr... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old woman presents to her primary care provider for itching. She reports that she has always had dry skin but that the itching has gotten significantly worse over the last few years. The patient also endorses fatigue and dull abdominal pain. Her past medical history includes Hashimoto’s thyroidi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old man with type 2 diabetes mellitus and benign prostatic hyperplasia comes to the physician because of a 2-day history of sneezing and clear nasal discharge. He has had similar symptoms occasionally in the past. His current medications include metformin and tamsulosin. Examination of the nasal... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old man presents with recurrent abdominal pain, diarrhea with fatty porridge-like stools and occasional blood up to 8 times per day, joint pain, and weight loss. Ileocolonoscopy shows regions of erythema, swelling, and cobblestone-like appearance of the ascending colon and terminal ileum. Target... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old man comes to the emergency department because of progressively worsening shortness of breath and fever for 2 days. He also has a nonproductive cough. He does not have chest pain or headache. He has chronic myeloid leukemia and had a bone marrow transplant 3 months ago. His current medication... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 20-year-old student is referred to his college's student health department because his roommates are concerned about his recent behavior. He rarely leaves his room, has not showered in several days, appears to be praying constantly even though he is not religious, and has not been studying despite previ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A researcher is investigating the risk of symptomatic intracerebral hemorrhage associated with tissue plasminogen activator (tPA) treatment in severe ischemic stroke. The outcomes of a large randomized controlled trial of ischemic stroke patients, some of whom were randomized to tPA, is shown: Symptomatic... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 31-year-old Israeli male with a history of heavy smoking presents to your office with painful ulcerations on his hands and feet. Upon examination, he is found to have hypersensitivity to intradermally injected tobacco extract. Which of the following processes is most likely responsible for his conditio... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 14-year-old boy is brought to the physician because of increasing swelling of his legs and generalized fatigue for 1 month. During this period he has also had a productive cough and shortness of breath. He has been unable to carry out his daily activities. He has a history of recurrent respiratory tract... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old female with a long history of poorly controlled diabetes mellitus visits her primary care physician with 2+ non-pitting edema in her legs. The patient has a serum creatinine of 2.9 mg/dL and a blood urea nitrogen of 61 mg/dL. A 24-hour urine collection reveals 8.5 grams of protein. A renal b... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old man with longstanding history of diabetes mellitus and hypertension presents to the emergency department with sudden-onset numbness. On your neurological exam, you note that he has loss of sensation on the left side of his face, arm, and leg. His motor strength exam is normal, as are his cra... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old graduate student is brought to the emergency department by her boyfriend because of chest pain that started 90 minutes ago. Her boyfriend says she has been taking medication to help her study for an important exam and has not slept in several days. On examination, she is diaphoretic, agitate... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old man comes to the emergency department because of abdominal pain, nausea, and vomiting for 4 hours. Initially, the pain was dull and located diffusely around his umbilicus, but it has now become sharper and moved towards his lower right side. He has no history of serious illness and takes no ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man is brought to the emergency department 2 hours after the onset of severe nausea and vomiting. He also has cramping abdominal pain and feels fatigued. Two months ago, he injured his lumbar spine in a car accident and lost complete motor and sensory function below the level of injury. He h... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old homeless man comes to the emergency department because of fatigue, cough, and worsening shortness of breath for 2 weeks. He was diagnosed with HIV-infection 25 years ago but has never had any symptoms. He has always refused to take antiretroviral medication. Pulmonary examination shows diffu... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old man presents to the emergency department with complaints of red, pinkish urine in the morning. He adds that he has been feeling some abdominal pain. The patient is not taking any medication, and his laboratory test results are as follows: Hb 11.0 g/dL RBC 3.7 x 1012/L WBC 4,000/mm3 PLT 100,0... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old man presents with his father to the urgent care with 5 days of frequent diarrhea, occasionally with streaks of blood mixed in. Stool cultures are pending, but preliminary stool samples demonstrate fecal leukocytes and erythrocytes. His vital signs are as follows: blood pressure is 126/83 mm ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> During subject selection for an infant neurological development study, a child is examined by the primary investigator. She is at the 80th percentile for length and weight. She has started crawling. She looks for dropped objects. She says mama and dada non-specifically. She can perform the pincer grasp. W... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man comes to the emergency department because of a 3-week history of abdominal distention, yellow coloring of the skin, and dark urine. He also reports malaise and progressive shortness of breath, associated with slight exertion, for several weeks. The patient is a chronic drinker, and he wa... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 73-year-old man is brought to the emergency department because of fever and a productive cough for 2 days. He has had increasing fatigue and dyspnea for the past 2 weeks. During this time he has lost 3 kg (6.6 lb). He received chemotherapy for myelodysplastic syndrome (MDS) 1 year ago. He is currently o... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-year-old girl is brought to the physician for a well-child examination. She has no history of serious illness. She receives a vaccine in which a polysaccharide is conjugated to a carrier protein. Which of the following pathogens is the most likely target of this vaccine? ---- <<Choices:>> A) Hepatitis... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old G1P1001 is recovering in the postpartum unit three days after a Caesarean section. Her surgery was indicated for breech presentation of the infant. She was at 40 weeks and 2 days gestation at the time of delivery. The patient is now complaining of purulent discharge and continued heavy bleed... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> One week after admission to the hospital for an extensive left middle cerebral artery stroke, a 91-year-old woman is unable to communicate, walk, or safely swallow food. She has been without nutrition for the duration of her hospitalization. The patient's sister requests placement of a percutaneous endosc... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old man presents to the emergency department because of severe flank pain. He says that the pain came on suddenly while he was at home and is located on his right side. He also says that he has had fever and chills for the last 2 days, but he did not seek medical attention because he assumed tha... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old boy is brought to the emergency department by his parents for severe right hip pain that suddenly started about 2 hours ago. The parents are extremely anxious and feel overwhelmed because the boy has been hospitalized several times in the past for similar episodes of pain. The boy was born a... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old woman is diagnosed with a rare subtype of anti-NMDA encephalitis. During the diagnostic workup, she was found to have an ovarian teratoma. Her physician is curious about the association between anti-NMDA encephalitis and ovarian teratomas. A causal relationship between this subtype of anti-N... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old man comes to the physician for a routine health maintenance examination. He feels well. He works as a nurse at a local hospital in the city. Three days ago, he had a needlestick injury from a patient whose serology is positive for hepatitis B. He completed the 3-dose regimen of the hepatitis... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 33-year-old woman comes to the emergency department 1 hour after falling from a ladder. She is conscious. She does not smoke, drink alcohol, or use illicit drugs. There is no family history of serious illness. Her pulse is 72/min, respirations are 17/min, and blood pressure is 110/72 ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old woman comes to the physician because of multiple episodes of headache over the past 3 months. The headaches last the entire day and are unilateral and throbbing. During the headaches, she has severe nausea and is unable to work and perform her daily activities. She has noticed that she becom... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old man presents with a painless genital ulcer for the past 2 weeks. He reports that he recently has been having unprotected sex with multiple partners. Past medical history is unremarkable. On physical examination, a single ulcer is present on the dorsal shaft of the penis which is circumscribe... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Background: Aldosterone blockade reduces mortality and morbidity among patients with severe heart failure. Researchers conducted a double-blind, placebo-controlled study evaluating the effect of eplerenone, a selective aldosterone blocker, on morbidity and mortality among patients with acute myocardial in... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old woman presents to the emergency ward with a chief complaint of chest pain. The pain is sharp and present in the anterior part of the chest. There is no radiation of the pain; however, the intensity is decreased while sitting and leaning forward. There is no associated shortness of breath. Vi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man with lymphoma presents to his oncologist with severe abdominal pain and flank pain. He says that the pain started 2 days ago and has gotten worse over time. He has also not been able to urinate over the same time period. On presentation, his temperature is 99°F (37.2°C), blood pressure i... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old man presents with recurrent epigastric pain and diarrhea. He has had these symptoms for the last year or so and has been to the clinic several times with similar complaints. His current dosage of omeprazole has been steadily increasing to combat his symptoms. The pain seems to be related to ... | B |
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