Split (1)

train · 11.4k rows

question stringlengths 66 3.58k	prob float64 0 1	correct_count int64 0 128	total_samples int64 128 128	question_hash stringlengths 16 16	answer_idx stringclasses 5 values
A 50-year-old woman presents with esophageal varices, alcoholic cirrhosis, hepatic encephalopathy, portal hypertension, and recent onset confusion. The patient’s husband does not recall her past medical history but knows her current medications and states that she is quite disciplined about taking them. Current medicat...	0.046875	6	128	37bac78966728e25	D
A 23-year-old woman is brought to the emergency department 8 hours after the sudden onset of shortness of breath and pleuritic chest pain. She has cystic fibrosis and, during the past year, has had 4 respiratory exacerbations that have required hospitalization. Current medications include an inhaled bronchodilator, an ...	0	0	128	1ca24b521cd33d8e	D
A 61-year-old diabetic woman is brought to the emergency department with the complaint of multiple bouts of abdominal pain in the last 24 hours. She says that the pain is dull aching in nature, radiates to the back, and worsens with meals. She also complains of nausea and occasional vomiting. She has been hospitalized ...	0.984375	126	128	bbbde09efc39d83d	C
An 82-year-old woman is admitted to the hospital because of wet gangrene on her right leg. Two days after admission, she becomes increasingly confused and tachypneic. She is intubated and ventilatory support is initiated. Her temperature is 39.6°C (102.5°F), pulse is 127/min, and blood pressure is 83/47 mm Hg. The vent...	0.382812	49	128	921b2273e02086d0	E
A 57-year-old florist presents to his family physician with nodular lesions on his right hand and forearm. He explains that he got pricked by a rose thorn on his right "pointer finger" where the first lesions appeared, and the other lesions then began to appear in an ascending manner. The physician prescribed a medicat...	0.382812	49	128	3e7d90f3fe218943	A
A 58-year-old woman presents to the physician’s office with vaginal bleeding. The bleeding started as a spotting and has increased and has become persistent over the last month. The patient is G3P1 with a history of polycystic ovary syndrome and type 2 diabetes mellitus. She completed menopause 4 years ago. She took cy...	0.460938	59	128	f6dbc0e67e390cd7	C
A student is reviewing the various effects that can be plotted on a dose-response curve. He has observed that certain drugs can work as an agonist and an antagonist at a particular site. He has plotted a particular graph (as shown below) and is checking for other responses that can be measured on the same graph. He lea...	0.015625	2	128	1b9ca042a1184058	B
You are seeing a patient in clinic who recently started treatment for active tuberculosis. The patient is currently being treated with rifampin, isoniazid, pyrazinamide, and ethambutol. The patient is not used to taking medicines and is very concerned about side effects. Specifically regarding the carbohydrate polymeri...	0.164062	21	128	8618db3378c2d51b	D
A 32-year-old man visits his primary care physician for a routine health maintenance examination. During the examination, he expresses concerns about not wanting to become a father. He has been sexually active and monogamous with his wife for the past 5 years, and they inconsistently use condoms for contraception. He t...	0.460938	59	128	26860003fa9047de	B
A 48-year-old man is brought to the emergency department by his wife 20 minutes after she witnessed him vigorously shaking for about 1 minute. During this episode, he urinated on himself. He feels drowsy and has nausea. He has a history of chronic alcoholism; he has been drinking 15 beers daily for the past 3 days. Bef...	0.0625	8	128	38a3e844b9e12e4f	D
A 48-year-old man presents early in the morning to the emergency department with a burning sensation in his chest. He describes a crushing feeling below the sternum and reports some neck pain on the left side. Furthermore, he complains of difficulty breathing. Late last night, he had come home and had eaten a family si...	0.0625	8	128	f9ff98694257d5af	E
A 76-year-old man is brought to the emergency room because of one episode of hemoptysis. His pulse is 110/min. Physical examination shows pallor; there is blood in the oral cavity. Examination of the nasal cavity with a nasal speculum shows active bleeding from the posterior nasal cavity. Tamponade with a balloon cathe...	0.484375	62	128	6eb4475fda7fd7a9	E
A researcher is studying how arachidonic acid metabolites mediate the inflammatory response in rats. She has developed multiple enzyme inhibitors that specifically target individual proteins in the arachidonic acid pathway. She injects these inhibitors in rats who have been exposed to common bacterial pathogens and ana...	0.84375	108	128	44d5c9012ee8291c	E
A 23-year-old man comes to the physician because of recurrent episodes of chest pain, shortness of breath, palpitations, and a sensation of choking. The symptoms usually resolve with deep breathing exercises after about 5 minutes. He now avoids going to his graduate school classes because he is worried about having ano...	0.257812	33	128	4b255613db432db4	A
A 17-year-old girl with a BMI of 14.5 kg/m2 is admitted to the hospital for the treatment of anorexia nervosa. The patient is administered intravenous fluids and is supplied with 1,600 calories daily with an increase of 200 calories each day. On day 5 of treatment, the patient manifests symptoms of weakness and confusi...	0	0	128	bae34073df20811e	D
A 25-year-old woman is brought to the emergency department after being involved in a rear-end collision, in which she was the restrained driver of the back car. On arrival, she is alert and active. She reports pain in both knees and severe pain over the right groin. Temperature is 37°C (98.6°F), pulse is 116/min, respi...	0.976562	125	128	d37a2ce827d4c0bd	D
An investigator is studying human genetics and cell division. A molecule is used to inhibit the exchange of genetic material between homologous chromosomes. Which of the following phases of the cell cycle does the molecule target?	0.992188	127	128	bb13e56009afbe7b	D
An investigator is studying neuronal regeneration. For microscopic visualization of the neuron, an aniline stain is applied. After staining, only the soma and dendrites of the neurons are visualized, not the axon. Presence of which of the following cellular elements best explains this staining pattern?	0.109375	14	128	eeed665d90cf8f27	E
A 67-year-old woman presents to a surgeon with a painless, slowly growing ulcer in the periauricular region for the last 2 months. On physical examination, there is an irregular-shaped ulcer, 2 cm x 1 cm in its dimensions, with irregular margins and crusting over the surface. The woman is a fair-skinned individual who ...	0.03125	4	128	c1deb1a9c139cc61	A
A 67-year-old man presents to the physician with profuse watery diarrhea along with fever and crampy abdominal pain. He has been taking an antibiotic course of cefixime for about a week to treat a respiratory tract infection. At the doctor’s office, his pulse is 112/min, the blood pressure is 100/66 mm Hg, the respirat...	1	128	128	a64df9b3626dc628	A
A 45-year-old man presents to the emergency department with fever and easy bruising for 3 days. He has had fatigue for 2 weeks. He has no past medical history, and takes no medications. Excessive bleeding from intravenous lines was reported by the nurse. He does not smoke or drink alcohol. The temperature is 38.2°C (10...	0.382812	49	128	89cba4e85b227c23	A
A 2-month-old is brought to the physician for a well-child examination. She was born at 39 weeks gestation via spontaneous vaginal delivery and is exclusively breastfed. She weighed 3,400 g (7 lb 8 oz) at birth. At the physician's office, she appears well. Her pulse is 136/min, the respirations are 41/min, and the bloo...	0.421875	54	128	9a07bb059f5f196f	D
A 40-year-old female comes in with several months of unintentional weight loss, epigastric pain, and a sensation of abdominal pressure. She has diabetes well-controlled on metformin but no other prior medical history. She has not previously had any surgeries. On physical exam, her doctor notices brown velvety areas of ...	0.679688	87	128	a562172b35053035	A
A 6-year-old boy is brought to the emergency room by ambulance, accompanied by his kindergarten teacher. Emergency department staff attempt to call his parents, but they cannot be reached. The boy’s medical history is unknown. According to his teacher, the boy was eating in the cafeteria with friends when he suddenly c...	0.21875	28	128	b12d449229543317	B
A 12-month-old boy is brought to the physician for a well-child examination. He was born at 38 weeks' gestation and was 48 cm (19 in) in length and weighed 3061 g (6 lb 12 oz); he is currently 60 cm (24 in) in length and weighs 7,910 g (17 lb 7 oz). He can walk with one hand held and can throw a small ball. He can pick...	0	0	128	94ad0cfa567607c2	C
A 27-year-old woman presents to the emergency department with right lower quadrant abdominal pain and vaginal spotting. She denies diarrhea, constipation, or blood in the stool. The medical history is unremarkable. She does not use tobacco or drink alcohol. She is sexually active with her husband and uses an IUD for co...	0.0625	8	128	00def05750cd9dac	B
A 58-year-old man with a past medical history of diabetes, hypertension, and hyperlipidemia was brought into the emergency department by his wife after she observed him go without sleep for several days and recently open and max out several credit cards. She also reports that he has quit his bartending job and has been...	0.390625	50	128	f8b432425ff96fe7	A
A 42-year-old woman comes to the physician for the evaluation of a 1-month history of dull lower abdominal pain, decreased appetite, and a 5-kg (11-lb) weight loss. Physical examination shows no abnormalities. Pelvic ultrasonography shows bilateral ovarian enlargement and free fluid in the rectouterine pouch. Biopsy sp...	0.007812	1	128	fba925d83919b346	D
A 71-year-old man presents to the clinic with complaints of right wrist pain for 2 days. On examination, redness and swelling were noted on the dorsal aspect of his right wrist. He had pain with extreme range of motion of the wrist. His history includes 2 hip replacements, 2 previous episodes of gout in both first met...	1	128	128	60ffd46be5cf2942	A
A group of investigators have conducted a randomized clinical trial to evaluate the efficacy of adding a novel adenosine A1 receptor agonist to the standard anti-epileptic treatment in reducing the frequency of focal seizures. It was found that patients taking the combination regimen (n = 200) had a lower seizure frequ...	0.90625	116	128	87700a7aa6763610	B
A 39-year-old male presents to your office with nodular skin lesions that progress from his right hand to right shoulder. The patient reports that the initial lesion, currently necrotic and ulcerative, developed from an injury he received while weeding his shrubs a couple weeks earlier. The patient denies symptoms of r...	0.953125	122	128	4ea26e95117c8736	D
A 17-year-old Latin American woman with no significant past medical history or family history presents to her pediatrician with concerns about several long-standing skin lesions. She notes that she has had a light-colored rash on her chest and abdomen that has been present for the last 2 years. The blood pressure is 11...	0.046875	6	128	7917897c07e8e289	A
A 45-year-old male presents to the emergency room complaining of severe diarrhea. He recently returned from a business trip to Bangladesh. Since returning, he has experienced several loose bloody stools per day that are accompanied by abdominal cramping and occasional nausea and vomiting. His temperature is 101.7°F (38...	0	0	128	f7921fdfd5463b19	E
An 80-year-old woman seeks evaluation at an outpatient clinic for a firm nodular lump on the left side of her labia. The medical history is notable for hypertension, coronary artery disease status post CABG, and lichen sclerosus of the vagina that was treated with an over-the-counter steroid cream as needed. She first ...	0.976562	125	128	58e5a418a1d3a479	D
A 75-year-old male is hospitalized for bloody diarrhea and abdominal pain after meals. Endoscopic work-up and CT scan lead the attending physician to diagnose ischemic colitis at the splenic flexure. Which of the following would most likely predispose this patient to ischemic colitis:	0.789062	101	128	1013b71fff5e4395	C
Two days following the home birth of her son, a mother brings the infant to the pediatric emergency room because of bilious vomiting. He is unable to pass meconium and his abdomen is distended. Endoscopic biopsy of the proximal colon demonstrates an absence of Meissner’s and Auerbach’s plexi in the bowel wall. Which of...	1	128	128	3d957fc37498707f	A
A 49-year-old man comes to the physician because of a 6-month history of increasing fatigue and reduced libido. He also complains of joint pain in both of his hands. His vital signs are within normal limits. Physical examination shows tanned skin and small testes. The second and third metacarpophalangeal joints of both...	0.4375	56	128	0ef804cc22ae4d66	B
A general surgery intern is paged to the bedside of a 59-year-old male who underwent a successful sigmoidectomy for treatment of recurrent diverticulitis. The patient's nurse just recorded a temperature of 38.7 C, and relates that the patient is complaining of chills. The surgery was completed 8 hours ago and was compl...	0.648438	83	128	e1b37deb551f7634	B
A 22-year-old man presents to the emergency department with anxiety. The patient states that he is very anxious and has not been able to take his home anxiety medications. He is requesting to have his home medications administered. The patient has a past medical history of anxiety and depression. His current medication...	0.335938	43	128	fb2b66e55eb553e1	A
An 18-year-old female returning from a trip to a developing country presents with diarrhea and pain in the abdominal region. Microscopic evaluation of the stool reveals the presence of RBC's and WBC's. The patient reports poor sewage sanitation in the region she visited. The physician suspects a bacterial infection and...	0.15625	20	128	e146a81f6504bcef	A
A 51-year-old man with a recent diagnosis of peptic ulcer disease currently treated with an oral proton pump inhibitor twice daily presents to the urgent care center complaining of acute abdominal pain which began suddenly less than 2 hours ago. On physical exam, you find his abdomen to be mildly distended, diffusely t...	0.96875	124	128	e6690206d8ac18b6	B
A 31-year-old male presents to the emergency room following an altercation with patrons at a local grocery store. He is acting aggressively toward hospital staff and appears to be speaking to non-existent individuals. On examination he is tachycardic and diaphoretic. Horizontal and vertical nystagmus is noted. The pati...	0.078125	10	128	8b5a602efb2b87ab	E
A 29-year-old female presents to her primary care provider complaining of pain and stiffness in her hands and knees. She reports that the stiffness is worse in the morning and appears to get better throughout the day. She is otherwise healthy and denies any recent illness. She does not play sports. On examination, her ...	1	128	128	713515b78c572680	E
A 28-year-old man presents for severe abdominal pain and is diagnosed with appendicitis. He is taken for emergent appendectomy. During the procedure, the patient has massive and persistent bleeding requiring a blood transfusion. The preoperative laboratory studies showed a normal bleeding time, normal prothrombin time ...	0.476562	61	128	807b915a2443bdcb	A
An 11-year-old girl is brought to the emergency department because of high-grade fever, headache, and nausea for 3 days. She avoids looking at any light source because this aggravates her headache. She has acute lymphoblastic leukemia and her last chemotherapy cycle was 2 weeks ago. She appears lethargic. Her temperatu...	0.109375	14	128	e73eff8e20407e99	C
A 49-year-old man presents to a new primary care provider complaining of fatigue and occasional fever over the last month. These symptoms are starting to affect his job and he would like treatment. The physician runs a standard metabolic panel that shows elevated AST and ALT. The patient is then tested for hepatitis vi...	0.953125	122	128	23596f59289e141d	A
A 45-year-old immigrant presents with unintentional weight loss, sleep hyperhidrosis, and a persistent cough. He says these symptoms have been present for quite some time. Upon imaging, many granulomas in the upper lobes are present. It is noted that these apical granulomas have centers of necrosis that appear cheese-l...	0.09375	12	128	0976d8f1fcc1c1ad	D
A 27-year-old woman comes to the emergency room because of fever and severe left knee pain for the past week. She has not sustained any trauma or injury to the area, nor has she traveled or taken part in outdoor activities in the recent past. She is sexually active with one male partner, and they use condoms inconsiste...	0.179688	23	128	215a710d0f164c44	C
A 30-year-old man presents with restlessness and an inability to sit or lie down for the past 2 days. Past medical history is significant for schizophrenia, diagnosed 3 weeks ago and managed medically. Vital signs are a blood pressure of 140/90 mm Hg and a pulse of 96/min. On physical examination, the patient is fidget...	1	128	128	a2e598c35708ac1b	E
In a previous experiment infecting hepatocytes, it was shown that viable HDV virions were only produced in the presence of a co-infection with HBV. To better understand which HBV particle was necessary for the production of viable HDV virions, the scientist encoded in separate plasmids the various antigens/proteins of ...	0.523438	67	128	67b905b04257e1ca	A
A 61-year-old woman presents to her primary care physician for a routine check-up. Physical examination demonstrates asymmetric peripheral neuropathy in her feet. The patient has no previous relevant history and denies any symptoms of diabetes. Routine blood work shows normal results, and she is referred to a hematolog...	0.96875	124	128	707086b1c28543de	B
A 71-year-old man presents to his primary care physician because he is increasingly troubled by a tremor in his hands. He says that the tremor is worse when he is resting and gets better when he reaches for objects. His wife reports that he has been slowing in his movements and also has difficulty starting to walk. His...	0.976562	125	128	8e79352ad2475286	A
A 52-year-old man is brought to the emergency department while on vacation with a history of sudden onset vertigo and difficulty walking. He was in normal health since starting his vacation a week ago, but today he is suffering from a loss of balance, mild headache, and has had 5–6 episodes of vomiting over the last fe...	0.6875	88	128	b21bdf457b65b82b	B
A 65-year-old man presents with painless swelling of the neck over the past week. He also has noted severe night sweats, which require a change of clothes and bed linens the next day. His medical history is significant for long-standing hypertension. He received a kidney transplant 6 years ago. His current medications ...	0	0	128	91f1adace84a0d22	E
A 56-year-old man is brought to the emergency department by his neighbor 2 hours after ingesting an unknown substance in a suicide attempt. He is confused and unable to provide further history. His temperature is 39.1°C (102.3°F), pulse is 124/min, respiratory rate is 12/min, and blood pressure is 150/92 mm Hg. His ski...	0.3125	40	128	dda8db09c9334f66	B
An 81-year-old man presents to his primary care physician for his yearly exam. His past medical history is significant for osteopenia, nephrolithiasis, and hypertension. His family history is significant for relatives who had early onset kidney failure. He takes occasional acetaminophen and supplemental calcium/vitamin...	0.59375	76	128	5ccec21f46396296	C
A 72-year-old man presents to his primary care provider complaining of fatigue, mild headache, and discomfort with chewing for roughly 1 week. Before this, he felt well overall, but now is he is quite bothered by these symptoms. His medical history is notable for hypertension and hyperlipidemia, both controlled. On exa...	0.992188	127	128	f6c36da342e26bd2	B
A 14-month-old boy is brought to the clinic for evaluation of a rash. The rash started on the face and spread to the trunk. He also had a fever and cough for the past 2 days. His mother says that they recently immigrated from Asia and cannot provide vaccination records. The physical examination reveals a maculopapular ...	0.796875	102	128	6fdaa95d988dd8e3	E
A 31-year-old G1P0 woman at 26 weeks gestation presents to the clinic for evaluation of an abnormal glucose tolerance test. She denies any symptoms, but states that she was given 50 g of oral glucose 1 week earlier and demonstrated a subsequent venous plasma glucose level of 156 mg/dL 1 hour later. The vital signs are:...	0.695312	89	128	0348eef52708d7cd	B
A newborn of a mother with poor antenatal care is found to have a larger than normal head circumference with bulging fontanelles. Physical examination reveals a predominant downward gaze with marked eyelid retraction and convergence-retraction nystagmus. Ultrasound examination showed dilated lateral ventricles and a di...	0.210938	27	128	c47a75eae01fe641	D
A 22-year-old man comes to the physician because of a progressive swelling and pain in his right ring finger for the past 2 days. The pain began while playing football, when his finger got caught in the jersey of another player who forcefully pulled away. Examination shows that the right ring finger is extended. There ...	0.210938	27	128	bbf3e96560f30464	A
A 50-year-old man comes to the physician for a routine checkup. He has had a progressively increasing swelling on the nape of his neck for 2 months. He does not have a fever or any discharge from the swelling. He underwent a colectomy for colon cancer at the age of 43 years. He has type 2 diabetes mellitus, hypertensio...	0.007812	1	128	733aeea4158f5c8a	B
A 67-year-old man comes to the physician because of a 3-day history of fever, chills, headache, and fatigue. He appears ill. His temperature is 39°C (102.2°F). Analysis of nasal secretions shows infection with an enveloped, single-stranded segmented RNA virus. In response to infection with this pathogen, certain cells ...	0.140625	18	128	e92c6d057f8aa0b3	B
A 58-year-old female, being treated on the medical floor for community-acquired pneumonia with levofloxacin, develops watery diarrhea. She reports at least 9 episodes of diarrhea within the last two days, with lower abdominal discomfort and cramping. Her temperature is 98.6° F (37° C), respiratory rate is 15/min, pulse...	1	128	128	08396cb48793d9c2	B
A 7-year-old girl presents to her primary care physician for a routine check-up. The physician allows the medical student to perform a physical examination. The medical student notes hearing impairment as well as the findings show in Figures A and B. Radiographs show indications of multiple old fractures of the humerus...	0.03125	4	128	dfffe6cc717740ad	C
A 47-year-old man comes to the physician because of abdominal pain and foul-smelling, watery diarrhea for several days. He has not had nausea, vomiting, or blood in the stool. He has a history of alcohol use disorder and recently completed a 7-day course of clindamycin for pneumonia. He has not traveled out of the Unit...	0.570312	73	128	9207ae013a0e982e	D
A 6-year-old boy presents to the clinic because of monosymptomatic enuresis for the past month. Urinalysis, detailed patient history, and fluid intake, stool, and voiding diary from a previous visit all show no abnormalities. The parent and child are referred for education and behavioral therapy. Enuresis decreases but...	0.882812	113	128	f615415b02384bee	C
A 32-year-old homeless woman is brought to the emergency department by ambulance 30 minutes after the police found her on the sidewalk. On arrival, she is unresponsive. Her pulse is 76/min, respirations are 6/min, and blood pressure is 110/78 mm Hg. Examination shows cool, dry skin. The pupils are pinpoint and react sl...	0.460938	59	128	4ea52f5aa1826e18	C
An infectious disease investigator is evaluating the diagnostic accuracy of a new interferon-gamma-based assay for diagnosing tuberculosis in patients who have previously received a Bacillus Calmette-Guérin (BCG) vaccine. Consenting participants with a history of BCG vaccination received an interferon-gamma assay and w...	0.71875	92	128	1513d4e5b350d119	B
Several patients at a local US hospital present with chronic secretory diarrhea. Although there are multiple potential causes of diarrhea present in these patients, which of the following is most likely the common cause of their chronic secretory diarrhea?	0.226562	29	128	46dd3d0bbf375377	B
A 27-year-old woman with sickle cell disease and at 39-weeks' gestation is brought to the emergency department in active labor. She has had multiple episodes of acute chest syndrome and has required several transfusions in the past. She has a prolonged vaginal delivery complicated by postpartum bleeding, and she receiv...	0.0625	8	128	5377122b02244e01	C
A 17-year-old man is brought by his mother to his pediatrician in order to complete medical clearance forms prior to attending college. During the visit, his mother asks about what health risks he should be aware of in college. Specifically, she recently saw on the news that some college students were killed by a fatal...	0.195312	25	128	b9ed8d06db436c5d	E
A 7-month old boy, born to immigrant parents from Greece, presents to the hospital with pallor and abdominal distention. His parents note that they recently moved into an old apartment building and have been concerned about their son's exposure to chipped paint from the walls. On physical exam, the patient is found to ...	1	128	128	aec54e7eadaa1c67	C
A 51-year-old woman comes to the physician because of progressively worsening lower back pain. The pain radiates down the right leg to the lateral side of the foot. She has had no trauma, urinary incontinence, or fever. An MRI of the lumbar spine shows disc degeneration and herniation at the level of L5–S1. Which of th...	0	0	128	c0ce1cab211138c8	D
A 52-year-old woman comes to the physician because of a 4-month history of progressive pain and stiffness of the fingers of her right hand that is worse at the end of the day. She works as a hair dresser and has to take frequent breaks to rest her hand. She has hypertension, for which she takes hydrochlorothiazide. Two...	0.09375	12	128	2aa214bb809e36dc	D
A 51-year-old man presents to his dermatologist because of severe stomatitis and superficial skin erosions over his trunk. His condition started 2 months ago and was unresponsive to oral antibiotics and antiherpetic medications. He has no history of a similar rash. His medical history is remarkable for type 2 diabetes ...	1	128	128	02400c359582b05c	D
A 50-year-old male presents to his primary care physician for a routine check-up. He reports that he is doing well overall without any bothersome symptoms. His past medical history is significant only for hypertension, which has been well controlled with losartan. Vital signs are as follows: T 37.0 C, HR 80, BP 128/76,...	0.992188	127	128	e4008c1336e3329d	C
A 57-year-old man presents to the emergency department because of pain in the center of his chest that is radiating down his left arm and up the left side of his neck. The pain started suddenly 30 minutes ago while the patient was at work. The patient describes the pain as squeezing in nature, 10/10 in intensity, and i...	0.664062	85	128	af47437175b5ee99	B
A 29-year-old African American female presents to your office with extreme fatigue and bilateral joint pain. Serologies demonstrate the presence of rheumatoid factor along with anti-Smith and anti-dsDNA antibodies. A VDRL syphilis test is positive. You order a coagulation profile, which reveals normal bleeding time, no...	0.132812	17	128	45386c8538e31a09	D
A 31-year-old man comes to the physician because of a 5-day history of fever, chills, and dyspnea. His temperature is 38.9°C (102°F) and pulse is 90/min. Cardiac examination shows a murmur. In addition to other measures, cardiac catheterization is performed. A graph showing the results of the catheterization is shown. ...	0.28125	36	128	f0286a256edc52c4	D
A 54-year-old woman comes to the physician because of a painful skin lesion on her right leg for 1 month. It initially started out as a small red spot but has rapidly increased in size during this period. She remembers an ant bite on her leg prior to the lesion occurring. She was treated for anterior uveitis 8 months a...	0.382812	49	128	f10efac41a662b2a	B
A primary care physician is recently receiving more negative online reviews from his patients. He is increasingly feeling tired and has written 2 wrong prescriptions over the past month alone. Currently, on his panel, he has a list of 1,051 patients, half of whom are geriatric patients. He spends approx. 51 hours per w...	0	0	128	f194fc9a3a65a0f5	B
A 42-year-old Caucasian woman is enrolled in a randomized controlled trial to study cardiac function in the setting of several different drugs. She is started on verapamil and instructed to exercise at 50% of her VO2 max while several cardiac parameters are being measured. During this experiment, which of the following...	0.515625	66	128	df61d71ff7ef9b74	D
A 7-year-old boy comes to the physician because of a generalized rash for 3 days. Over the past 5 days, he has also had a high fever and a sore throat. His 16-year-old sister was treated for infectious mononucleosis 2 weeks ago. He returned from a summer camp a week ago. His immunizations are up-to-date. Three years ag...	0.023438	3	128	34c12dd76e33a580	D
A 30-year-old woman comes to the physician because of a swelling on her neck for 5 months. It has gradually enlarged in size and is mildly painful. She has also had intermittent episodes of throbbing headache, sweating, and palpitations over the past 3 months. Menses occur at regular 28-day intervals and last for 4–5 d...	0.109375	14	128	691dccbdd868f755	E
A 31-year-old G3P1 woman who is at 37 weeks of gestation is brought into the emergency department by her husband after repeated twitching. According to the husband, they were watching TV when she suddenly became unresponsive and her hands and legs started shaking. The episode lasted about 5 minutes and she “seemed to b...	0.914062	117	128	b2822f629fedb888	E
A 65-year-old man was picked up by the security personnel for voiding urine and defecating at an inappropriate place in the community. On questioning, he was making offensive remarks and behaving inappropriately. On physical examination, the physician observed an ataxic gait and amnesia. Initial urine drug screen is ne...	0.84375	108	128	25257dc487b71cd9	D
A 52-year-old man undergoes an exercise stress test for a 1-week history of squeezing substernal chest pain that is aggravated by exercise and relieved by rest. During the test, there is a substantial increase in the breakdown of glycogen in the muscle cells. Which of the following changes best explains this intracellu...	0.953125	122	128	3eaf6627d26bf9ff	B
A 35-year-old man presents to the general practitioner with a skin rash that has been present for 2 days. The rash appeared suddenly and has progressively gotten worse. It started off as an erythematous lesion on the back of his hands and also over his nose. The lesions over his hands have become bullous and tense. He ...	0.101562	13	128	a0d34d52687a6809	A
A 32-year-old woman, gravida 2, para 1, at 38 weeks' gestation comes to the emergency department because of vaginal bleeding for the past hour. The patient reports that she felt contractions prior to the onset of the bleeding, but the contractions stopped after the bleeding started. She also has severe abdominal pain. ...	0.015625	2	128	1fd7470b513bb278	C
A 5-year-old boy is brought to the emergency department by his parents for difficulty breathing. He was playing outside in the snow and had progressive onset of wheezing and gasping. His history is notable for eczema and nut allergies. The patient has respirations of 22/min and is leaning forward with his hands on his ...	0.890625	114	128	e2256edd38b41e15	C
A 78-year-old male with history of coronary artery disease, status post coronary stent placement currently on aspirin and clopidogrel was found down in his bathroom by his wife. His GCS score was 3 and an accurate physical exam is limited. A stat non-contrast CT scan of his brain demonstrated a large right parietal int...	0.515625	66	128	abc660e9ef779d0c	D
A 53-year-old woman comes to the physician for a follow-up examination. One month ago, she was diagnosed with carcinoma of the left breast. She underwent a lumpectomy for a 2.1-cm mass and sentinel lymph node biopsy 2 weeks ago. The biopsy of the breast mass showed margin-free invasive ductal carcinoma; immunohistochem...	0.273438	35	128	4d4d85ac88569d80	A
Three weeks after birth, an infant girl develops episodes of apnea. She has become increasingly lethargic over the past two days, and experienced two episodes of apnea lasting 10 seconds each within the last day. She was born at 31 weeks of gestation and weighed 1600-g (3-lb 8-oz). Apgar scores were 4 and 7 at 1 and 5 ...	0.1875	24	128	25b1a962ab85135a	E
A 45-year-old woman presents to the physician with a 6-month history of progressive shortness of breath. She now has to stop to rest three or four times whenever she climbs the stairs to her apartment on the third floor. She reports chronic, nonproductive cough and wheezing, for which she uses ipratropium inhalers. She...	0.0625	8	128	3d2b681bf90c6064	B
A 27-year-old man is brought to a psychiatrist by his mother who is concerned that he has become increasingly distant. When asked, he says that he is no longer going out because he is afraid of going outside by himself. He says that ever since he was a teenager, he was uncomfortable in large crowds and on public transp...	0.328125	42	128	a4e9900bb39f3c5d	B
A 26-year-old woman presents with sudden-onset pain in her lower back. She says she was exercising in the gym several hours ago when she felt a sharp pain. The pain is radiating down the side of her leg and into her foot. On physical exam, her vital signs are as follows: HR 95, BP 120/70, T 37.2 degrees C. She has extr...	0.992188	127	128	17817f824718b137	A
A 34-year-old man with AIDS comes to the physician because of a 2-day history of decreasing vision and seeing black spots in his right eye. He has no pain and the left eye is asymptomatic. He was treated for fungal esophagitis 6 months ago with fluconazole. He was diagnosed with Kaposi's sarcoma 2 years ago. Current me...	0.054688	7	128	a3d95d5af473ae27	A
A 45-year old man comes to the physician because of a painless neck lump and a 2-month history of difficulty swallowing. He has a history of recurrent nephrolithiasis and episodic hypertension. Physical examination shows a 3 × 3-cm, nontender nodule at the level of the thyroid cartilage. A photomicrograph of a section ...	0.03125	4	128	4c66c4b48aabc2d9	E
A 17-year-old boy is brought to the physician because of increasing pain and swelling of his right knee for 12 days. He has had episodes of pain with urination for 3 weeks. He had a painful, swollen left ankle joint that resolved without treatment one week ago. His mother has rheumatoid arthritis. He is sexually active...	0.53125	68	128	bd4432e3ad39bdeb	D

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