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Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old African American boy with sickle cell disease is brought to the emergency department with complaints of abdominal pain over the last 24 hours. The pain is situated in the right upper quadrant and is sharp in nature with a score of 8/10 and radiates to tip of the right scapula. He also compla... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old woman presents with irregular menses, acne, and increased body hair growth. She says her average menstrual cycle lasts 36 days and states that she has heavy menstrual bleeding. She had her menarche at the age of 13 years. Her blood pressure is 125/80 mm Hg, heart rate is 79/min, respiratory ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old man is brought to the emergency department by his wife because of progressive confusion for the past 2 weeks. He has also had a 4.5-kg (10-lb) weight loss and fatigue during the last 6 months. Physical examination shows enlarged lymph nodes in the right axilla and faint expiratory wheezing i... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An otherwise healthy 17-year-old girl comes to the physician because of multiple patches on her face, hands, abdomen, and feet that are lighter than the rest of her skin. The patches began to appear 3 years ago and have been gradually increasing in size since. There is no associated itchiness, redness, nu... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-year-old boy is brought to the emergency department by his parents after a 2-day history of fever, productive cough, and severe dyspnea. The parents report that the boy had no health problems at birth but developed respiratory problems as an infant that have continued throughout his life, including re... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old woman presents to the emergency department with severe pain in her legs. She has had these pains in the past but access to a doctor was not readily available in her remote village back home. She and her family have recently moved to the United States. She is seen walking to her stretcher wit... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old man comes to the physician for a follow-up examination. Two weeks ago, he was treated in the emergency department for head trauma after being hit by a bicycle while crossing the street. Neurological examination shows decreased taste on the right anterior tongue. This patient's condition is m... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old male presents to his primary care physician complaining of drainage from his left great toe. He has had an ulcer on his left great toe for over eight months. He noticed increasing drainage from the ulcer over the past week. His past medical history is notable for diabetes mellitus on insulin... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 69-year-old woman comes to the physician because of a 4-month history of cough with blood-tinged sputum and a 4.5-kg (10-lb) weight loss. She has smoked one pack of cigarettes daily for 38 years. Auscultation of the lungs shows wheezing in the right lung field. An x-ray of the chest shows an irregular l... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old woman presents to the emergency department with confusion starting this morning. Her husband states that she initially complained of abdominal pain, diarrhea, and fatigue after eating. She has vomited 3 times and progressively became more confused. Her past medical history is notable for mor... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 69-year-old man is brought to the emergency department because of severe epigastric pain and vomiting that started 30 minutes ago while gardening. His pulse is 55/min, respirations are 30/min, and blood pressure is 90/50 mm Hg. Physical examination shows diaphoresis and jugular venous distention. Crackl... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An HIV-positive patient with a CD4+ count of 45 is receiving recommended first-line treatment for a case of cytomegalovirus retinitis. Coadministration with which of the following agents would be most likely to precipitate a deficiency of neutrophils in this patient? ---- <<Choices:>> A) Foscarnet B) Zido... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator studying the immunologic profile of various cells notices that the blood of a test subject agglutinates upon addition of a serum containing antibodies against P blood group antigens. Infection with which of the following pathogens would most likely be prevented by these antibodies? ---- <<... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-month-old boy is brought to the physician by his parents for the evaluation of a rash on his scalp and forehead. The parents report that the rash has been present for several weeks. They state that the rash is sometimes red and scaly, especially when it is cold. The patient was born at 36 weeks' gesta... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old woman has dysuria, pyuria, increased frequency of urination, and fever of 1-day duration. She is sexually active. Urine cultures show gram-positive bacteria in clusters that are catalase-positive and coagulase-negative. The patient is started on trimethoprim-sulfamethoxazole. Which of the fo... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man presents to the emergency department with dizziness. He states he has experienced a sustained sensation of the room spinning that is low grade and constant since this morning. The patient occasionally feels nauseous and has been taking diphenydramine to sleep which helps with his symptom... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old man presents to his primary care physician complaining of increasing difficulty sleeping over the last 3 months. He reports waking up frequently during the night because he feels an urge to move his legs, and he has a similar feeling when watching television before bed. The urge is relieved ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old man comes to the physician because of upper abdominal discomfort for 2 weeks. He has had 3–4 episodes of vomiting during this period. Over the last year, he has had frequent episodes of abdominal pain at night that were relieved by eating. He underwent a right shoulder surgery 6 weeks ago. H... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old primigravid woman comes to the physician for her initial prenatal visit at 12 weeks' gestation. She has had generalized fatigue and shortness of breath over the past 2 months. She has also had a tingling sensation in her toes for the past month. Three years ago, she was treated for gonorrhea... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old woman comes to the physician to discuss contraceptive options. She is currently sexually active with one male partner, and they have not been using any contraception. She has no significant past medical history and takes no medications. She has smoked one pack of cigarettes daily for 15 year... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man is brought to the emergency department because of a severe headache, nausea, and vomiting for 30 minutes. Forty-five minutes ago, he fell and struck his head, resulting in loss of consciousness for 1 minute. After regaining consciousness, he felt well for 15 minutes before the headache b... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> Three days after undergoing coronary bypass surgery, a 67-year-old man becomes unresponsive and hypotensive. He is intubated, mechanically ventilated, and a central line is inserted. Vasopressin and noradrenaline infusions are begun. A Foley catheter is placed. Six days later, he has high unrelenting feve... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is brought to the physician because of spells of unresponsiveness and upward rolling of the eyes for 2 months. The episodes start abruptly and last a few seconds. During that time he does not hear anyone’s voice or make any purposeful movements. When the episodes end, he continues what he... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old woman comes to the physician because of progressively worsening coordination and involuntary movements in her left hand for the past 6 months. Her husband also reports that she has been withdrawn and apathetic during this period. She is oriented to time, place, and person. Examination shows ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man is brought to the emergency department 3 hours after rescuing babies and puppies from a burning daycare center. He says that he complains of headache and nausea attributed to running. He is breathing comfortably. What is another likely finding in this patient? ---- <<Choices:>> A) Oxygen... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old woman comes to the physician because of a 2-week history of gradually worsening facial and lower extremity swelling. She has had a 4-kg (8.8-lb) weight gain during this time. Her blood pressure is 150/88 mm Hg. Examination shows periorbital edema and 2+ pretibial edema bilaterally. A 24-hour... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is brought to the physician for the evaluation of sore throat for the past 2 days. During this period, he has had intermittent nausea and has vomited once. The patient has no cough, hoarseness, or rhinorrhea. He had similar symptoms at the age of 5 years that resolved spontaneously. He is... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man with known history of chronic obstructive pulmonary disease is brought by ambulance to the emergency department due to shortness of breath. He is out of breath and cannot string a sentence together. The emergency technician suggests that the man tried his tiotropium inhaler multiple time... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old girl is brought to the physician by her parents because of clumsiness and difficulty walking. She began to walk at 12 months and continues to have difficulty standing still without support. She also appears to have difficulty grabbing objects in front of her. Over the past year, she has had 5... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old woman presents to her primary care physician with fatigue. She reports that over the past 2 months, she has felt increasingly tired despite no changes in her diet or exercise. Her past medical history is notable for obesity, seasonal allergies, and hypertension. She takes ranitidine as neede... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman, gravida 2, para 1, at 32 weeks' gestation comes to the physician for a prenatal visit. She reports that she has had frequent headaches and dizziness recently. Pregnancy and delivery of her first child were uncomplicated. There is no personal or family history of serious illness. Medic... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> Positron emission tomography is conducted and indicates a malignant nodule. Bronchoscopy with transbronchial biopsy is performed and a specimen sample of the nodule is sent for frozen section analysis. The tissue sample is most likely to show which of the following pathohistological findings? ---- <<Choic... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old woman comes to the physician for a 3-month history of redness and itching in both eyes. She has also had swelling and pain in the index and middle fingers of both hands and wrist joints over the past 5 months. She has had multiple dental treatments for oral infections over the past year. She... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man presents with facial weakness. He says he noticed that his face appeared twisted when he looked in the bathroom mirror this morning. He is otherwise well and does not have any other complaints. He denies any facial pain or paresthesia. No significant past medical history. The patient is ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman, gravida 2, para 1, at 14-weeks' gestation comes to the physician for a prenatal visit. Routine first trimester screening shows increased nuchal translucency, decreased β-hCG concentration, and decreased levels of pregnancy-associated plasma protein A. Amniocentesis shows trisomy of ch... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old man presents with painless swelling of the right testes and a sensation of heaviness. The physical examination revealed an intra-testicular solid mass that could not be felt separately from the testis. After a thorough evaluation, he was diagnosed with testicular seminoma. Which of the follo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man comes to the physician for a health maintenance examination. He feels well. He is 173 cm (5 ft 8 in) tall and weighs 84 kg (185 lb); BMI is 28 kg/m2. His vital signs are within normal limits. Physical examination shows no abnormalities. Serum lipid studies show: Total cholesterol 280 mg/... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man comes to the physician because of fever, fatigue, dry cough, headache, and myalgia over the past week. Two days ago, he developed several painful oral lesions and difficulty swallowing. He underwent kidney transplantation 3 years ago. His temperature is 38.2°C (100.7°F). Physical examina... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old woman presents to her primary care provider complaining of numbness and tingling sensations all over her body. After a meticulous history and physical, he found that the patient had recently been on vacation and tried a new sunscreen purchased overseas. The sunscreen contained several chemic... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-day-old male newborn is brought to the physician by his mother because of yellowish discoloration of the skin for 1 day. The discoloration first appeared on his face and then spread to his trunk. There have been no changes in his bowel habits or urination. He was born at 38 weeks’ gestation via uncomp... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old woman with type 2 diabetes mellitus comes to the physician for a follow-up examination. She previously had been compliant with her diet and medication but has had a 5-kg (11-lb) weight gain since the last visit 6 months ago. She reports that she often misses doses of her metformin. Her hemog... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old man presents to his primary care physician for his yearly check-up exam. He has no new concerns but wants to make sure that his hypertension and diabetes are properly controlled. His past medical history is otherwise unremarkable and his only medications are metformin and lisinopril. He has ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man is brought to the physician because of inappropriate behavior for the past 6 months. He has been making inappropriate comments and jokes while talking to friends and family members. He was arrested 3 weeks ago while trying to kiss strangers on the street. He has no interest in talking to... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old woman comes to the physician because of hearing loss and unsteadiness while standing and walking for the past 2 months. She needs support from a wall to prevent herself from falling. She has not had any recent injuries and has no history of serious illness. Vital signs are within normal limi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A study is funded by the tobacco industry to examine the association between smoking and lung cancer. They design a study with a prospective cohort of 1,000 smokers between the ages of 20-30. The length of the study is five years. After the study period ends, they conclude that there is no relationship be... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old obese male has noticed the gradual development of a soft bulge on his right groin that has been present over the past year and occasionally becomes very tender. He notices that it comes out when he coughs and strains during bowel movements. He is able to push the bulge back in without issue.... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old woman comes to the physician for the evaluation of loss of urine for the last several months. She loses small amounts of urine without warning after coughing or sneezing. She also sometimes forgets the names of her relatives. She is retired and lives at an assisted-living facility. She has t... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 78-year-old man is brought to the emergency department because of a 3-week history of productive cough, swelling of the legs and feet, and fatigue. He has had progressive dyspnea on exertion for the past 2 months. Twelve years ago, he received a porcine valve replacement for severe mitral valve regurgit... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old girl presents with a sore throat. The patient says symptoms onset acutely 3 days ago and have progressively worsened. She denies any history of cough, nasal congestion or rhinorrhea. No significant past medical history or current medications. The vital signs include: temperature 37.7°C (99.9... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old woman comes to the physician because of a 2-month history of intermittent bleeding from her vagina. She has no history of serious illness and takes no medications. Pelvic ultrasound shows a thickened endometrial stripe and a left adnexal mass. Endometrial biopsy shows a well-differentiated a... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man comes into your office because of pain in his right knee, left elbow, and left wrist. It started about a week ago but has particularly localized to his wrist. The patient states that he has 2 sexual partners. He states he has also had some white discharge from his penis with pruritis and... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old college student is diagnosed with acute myelogenous leukemia after presenting with a 3-week history of fever, malaise, and fatigue. He has a history of type 1 diabetes mellitus, multiple middle ear infections as a child, and infectious mononucleosis in high school. He currently smokes 1 pack... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 75-year-old woman is brought to a physician’s office by her son with complaints of diarrhea and vomiting for 1 day. Her stool is loose, watery, and yellow-colored, while her vomitus contains partially digested food particles. She denies having blood or mucus in her stools and vomitus. Since the onset of... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old African-American female presents to your office complaining of dysuria, paresthesias, and blurry vision. Her body mass index is 37.2 kg/m2. Which of the following drugs would most significantly increase the levels of C-peptide in the blood when administered to this patient? ---- <<Choices:>>... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old boy is brought to the emergency department by his mother because of progressive fatigue, abdominal pain, and loss of appetite over the past 3 days. He was treated in the emergency department once in the past year for swelling of his hands and feet. He was adopted as a baby from Sudan and his ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 51-year-old woman with Sjogren’s syndrome presents to her physician for suddenly developed palpitations. She feels more anxious than usual and has had difficulty sleeping well for the past 2 weeks. She has lost 2 kg (4.4 lb) since her last routine appointment 6 months ago. She also has had diarrhea and ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old male presents with his wife to his primary care provider for depression and strange movements. His wife reports that her husband has not been himself for the last two months. Whereas he was previously outgoing and “the life of the party,” the patient is now irritable and withdrawn. He is a p... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old man presents to the office for an annual physical examination. He has no complaints at this visit. His chart states that he has a history of hypertension, chronic obstructive pulmonary disease (emphysema), Raynaud’s disease, and glaucoma. He is a 30 pack-year smoker. His medications included... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old woman presents to the emergency department complaining of abdominal pain, nausea, and vomiting approximately 4 hours after a fatty meal. She reports that this has happened before, but this episode is worse. The vomit was non-bilious and did not contain any blood. She recalls frequent episode... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old man presents to a physician because of extreme fatigue, palpitations, fever, and weight loss. He developed these symptoms gradually over the past 3 months. His blood pressure is 110/80 mm Hg, heart rate is 109/min, respiratory rate is 17/min, and temperature is 38.1°C (100.6°F). The patient ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> An 18-month-old boy of Ashkenazi-Jewish descent presents with loss of developmental milestones. On ocular exam, a cherry-red macular spot is observed. No hepatomegaly is observed on physical exam. Microscopic exam shows lysosomes with onion-skin appearance. What is the most likely underlying biochemical a... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old woman presents to her primary care doctor for an initial visit. She is a Syrian refugee and arrived in the United States 2 weeks ago. She has been living in refugee camps throughout Jordan and Turkey for the past 2 years. She has a 3-year-old son and reports that she has limited her food int... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> Three days after delivery, a 1100-g (2-lb 7-oz) newborn has a tonic seizure that lasts for 25 seconds. She has become increasingly lethargic over the past 18 hours. She was born at 31 weeks' gestation. Antenatal period was complicated by chorioamnionitis. Apgar scores were 3 and 6 at 1 and 5 minutes, resp... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A researcher is studying the ability of breast cancer cells to metastasize. Neoplastic cells obtained from 30 patients with stage IV ductal carcinoma of the breast are tagged with a fluorescent antibody. The cells are then inserted into a medium resembling normal human tissue. After 2 weeks, all samples s... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A newlywed couple comes to your office for genetic counseling. Both potential parents are known to be carriers of the same Cystic Fibrosis (CF) mutation. What is the probability that at least one of their next three children will have CF if they are all single births? ---- <<Choices:>> A) 0 B) 1/64 C) 27/... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman makes an appointment at her physician’s office for a regular health check-up. She does not have any complaints and mentions that she has started to train for an upcoming marathon and hydrates exclusively with electrolyte solutions. She has been trying unsuccessfully to quit smoking for... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old female presents to her primary care doctor for prenatal counseling before attempting to become pregnant for the first time. She is an avid runner, and the physician notes her BMI of 17.5. The patient complains of chronic fatigue, which she attributes to her busy lifestyle. The physician orde... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old girl is admitted to the emergency department with severe retrosternal chest pain. The pain began suddenly after an episode of self-induced vomiting following a large meal. The patient’s parents say that she is very restricted in the foods she eats and induces vomiting frequently after meals.... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old woman comes to the physician for a 2-month history of fatigue, intermittent left-sided flank pain, and diffuse extremity pain. She was treated for a prolactinoma 5 years ago and has had recurrent antral and duodenal peptic ulcers despite medical therapy. Her only medication is omeprazole. Ph... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman comes to the physician with a history of bright red blood in her stools for 3 days. She has defecated once per day. She does not have fever, pain on defecation, or abdominal pain. She was treated for a urinary tract infection with levofloxacin around 3 months ago. Menses occur at regul... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 73-year-old female with no past medical history is hospitalized after she develops a fever associated with increasing shortness of breath. She states that 1 week prior, she had a cold which seemed to be resolving. Yesterday, however, she noticed that she started to feel feverish, measured her temperatur... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old man comes to the physician because of burning pain in his neck and arms for a year. He has also had paresthesias in his hands during this period. He has had increasing weakness in both hands during the past 3 months. He has type 2 diabetes mellitus, hypercholesterolemia, and hypertension. He... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman comes to the physician for evaluation of nausea and fatigue. Her last menstrual period was 8 weeks ago. She has a history of bipolar disorder controlled by a drug known to sometimes cause hypothyroidism and nephrogenic diabetes insipidus. She does not smoke cigarettes or drink alcohol.... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old woman is brought to the emergency department after briefly losing consciousness while walking her dog. She spontaneously regained consciousness 20 seconds later. She has a history of atrial fibrillation. Current medications include metoprolol. She reports that she forgot to take her medicati... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man is witnessed falling off his bicycle. The patient rode his bicycle into a curb and hit his face against a rail. The patient did not lose consciousness and is ambulatory at the scene. There is blood in the patient's mouth and one of the patient's teeth is found on the sidewalk. The patien... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man presents to his primary care physician because of abdominal pain that started after he went camping several months ago and drank from a mountain stream. This past year, he also went on a trip around the world, eating local foods at each stop. Furthermore, he has had a history of cholelit... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old man comes to the physician because of a 1-week history of headache, muscle pain, and recurrent fever spikes that occur without a noticeable rhythm. Two weeks ago, he returned from a 5-week-long world trip during which he climbed several mountains in India, Africa, and Appalachia. Chemoprophy... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old woman comes to the emergency department because of progressive numbness and weakness in her left arm and left leg for 2 days. During this period, she has also had urinary urgency and incontinence. Three months ago, she had blurry vision, difficulty distinguishing colors, and headache for one... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old woman comes to the emergency department because of upper abdominal pain and nausea for the past hour. The patient rates the pain as an 8 to 9 on a 10-point scale. She has had an episode of nonbloody vomiting since the pain started. She has a history of type 2 diabetes mellitus, hypertension,... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> The patient undergoes a mammogram, which shows a 6.5mm sized mass with an irregular border and spiculated margins. A subsequent core needle biopsy of the mass shows infiltrating ductal carcinoma with HER2-positive, estrogen-negative, and progesterone-negative immunohistochemistry staining. Blood counts an... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A recent study examined trends in incidence and fatality of ischemic stroke in a representative sample of Scandinavian towns. The annual incidence of ischemic stroke was calculated to be 60 per 2,000 people. The 1-year case fatality rate for ischemic stroke was found to be 20%. The health department of a ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An infectious disease chairperson of a large hospital determines that the incidence of Clostridioides difficile infections at the hospital is too high. She proposes an initiative to restrict the usage of clindamycin in the hospital to determine if that lowers the incidence of C. difficile infections. She ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old man with coronary artery disease comes to the physician because of intermittent episodes of substernal chest pain and shortness of breath. The episodes occur only when walking up stairs and resolves after resting for a few minutes. He is a delivery man and is concerned because the chest pain... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 3-month-old girl is brought to the physician because of fever, irritability, and rash for 3 days. The rash started around the mouth before spreading to the trunk and extremities. Her temperature is 38.6°C (101.5°F). Examination shows a diffuse erythematous rash with flaccid bullae on ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old man comes to the physician for a follow-up examination. Four days ago, he injured his right knee while playing soccer. Increased laxity of the right knee joint is noted when the knee is flexed to 30° and an abducting force is applied to the lower leg. The examination finding in this patient ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old woman presents to her primary care doctor with increased urinary frequency. She has noticed that over the past 6 months, she has had to urinate more often than usual. Several times per day, she develops a rapid-onset need to urinate and has occasionally been unable to reach the restroom. The... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old man presents to the behavioral health clinic for an evaluation after seeing animal-shaped clouds in the form of dogs, cats, and monkeys. The patient says that these symptoms have been present for more than 2 weeks. Past medical history is significant for simple partial seizures for which he ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old man presents to his primary care physician with a 1 week history of persistent dry cough and worsening shortness of breath. He says that he has also been experiencing some abdominal pain and weakness. He has never experienced these symptoms before. His past medical history is significant for... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old boy is brought to the emergency room by his mother with fever and difficulty breathing after receiving the BCG vaccine. He has never had a reaction to a vaccine before. He has a history of 2 salmonella infections over the past 2 years. He was born at 35 weeks’ gestation and spent one day in t... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old woman with metastatic breast cancer comes to the physician for a follow-up examination. She had a mastectomy 6 months ago and received chemotherapy with doxorubicin and paclitaxel. A CT scan of the chest shows new metastases in the lungs and liver. Adjuvant therapy is initiated with a drug t... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old boy with a history of cerebral palsy is brought to the neurology clinic by his mother with progressive tightness in the lower extremities. Although the patient has been intermittently undergoing physiotherapy for the past 2 years at a specialized center, the patient’s mother is concerned he c... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old woman, gravida 3, para 2, at 32 weeks' gestation comes to the physician for a follow-up examination 2 days after an increased blood pressure measurement. She now reports having a headache and visual disturbances for the past 12 hours. Her only medication is a prenatal vitamin. Her temperatur... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Five days after being admitted to the hospital for a scald wound, a 2-year-old boy is found to have a temperature of 40.2°C (104.4°F). He does not have difficulty breathing, cough, or painful urination. He initially presented one hour after spilling a pot of boiling water on his torso while his mother was... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man comes to the physician because of severe burning with urination for the past 3 days. During this period, he has had clear urethral discharge early in the morning. He has no history of serious illness, except for a rash following treatment with erythromycin 20 years ago. The patient takes... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man presents to the emergency department with confusion. The patient’s wife states that her husband has become more somnolent over the past several days and now is very confused. The patient has no complaints himself, but is answering questions inappropriately. The patient has a past medical... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old woman presents to her gynecologist complaining of mild pelvic discomfort and a frothy, yellowish discharge from her vagina for the past 2 weeks. She also complains of pain during sexual intercourse and sometimes after urination. Her past medical history is noncontributory. She takes oral con... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old African American man is brought to the emergency department by police. The patient refused to leave a petting zoo after closing. He states that he has unique ideas to revolutionize the petting zoo experience. The patient has a past medical history of multiple suicide attempts. His temperatur... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man presents for physical and preventive health screening, specifically for prostate cancer. He has not been to the doctor in a long time. Past medical history is significant for hypertension that is well-managed. Current medication is hydrochlorothiazide. He has one uncle who died of prosta... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old male is evaluated for frequent nose bleeds. Physical examination shows diffuse petechiae on the patient’s distal extremities. Peripheral blood smear shows an absence of platelet clumping. An ELISA binding assay reveals that platelet surfaces are deficient in GpIIb/IIIa receptors. Which of the... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man complains of lower back pain that began approximately 6 months ago. He is unsure why he is experiencing this pain and notices that this pain is worse in the morning after waking up and improves with physical activity. Ibuprofen provides significant relief. He denies bowel and bladder inc... | C |
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