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Answer the following medical question with the correct letter choice: | <<Question:>> A physician scientist is looking for a more efficient way to treat HIV. Patients infected with HIV mount a humoral immune response by producing antibodies against the HIV envelope proteins. These antibodies are the same antibodies detected by the ELISA and western blot assays used to diagnose the disease.... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 21-year-old man is brought to the emergency department for the evaluation of an episode of unconsciousness that suddenly happened while playing football 30 minutes ago. He was not shaking and regained consciousness after about 30 seconds. Over the past three months, the patient has ha... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-week-old baby is brought to the pediatrician’s office for a routine checkup. On examination, she is observed to have microcephaly with a prominent occiput. She also has clenched fists and rocker-bottom feet with prominent calcanei. A cardiac murmur is evident on auscultation. Based on the clinical fin... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old biochemist receives negative feedback from a senior associate on a recent project. He is placed on probation within the company and told that he must improve his performance on the next project to remain with the company. He is distraught and leaves his office early. When he gives an account... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old woman presents to the neurology clinic in significant pain. She reports a sharp, stabbing electric-like pain on the right side of her face. The pain started suddenly 2 weeks ago. The pain is so excruciating that she can no longer laugh, speak, or eat her meals as these activities cause episo... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> During a clinical study on an island with a population of 2540 individuals, 510 are found to have fasting hyperglycemia. Analysis of medical records of deceased individuals shows that the average age of onset of fasting hyperglycemia is 45 years, and the average life expectancy is 70 years. Assuming a ste... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old woman is brought to the emergency department because of crampy abdominal pain and foul-smelling, watery diarrhea. One week ago, she underwent treatment of cellulitis with clindamycin. She has developed shortness of breath and urticaria after treatment with vancomycin in the past. Her tempera... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old woman comes to the physician because of abdominal discomfort, anorexia, and mild fatigue. She has systemic lupus erythematosus and takes hydroxychloroquine. She does not drink alcohol or use illicit drugs. Physical examination shows no abnormalities. Laboratory studies show: Alanine aminotra... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old man was brought into the emergency room after he was found running in the streets. Upon arrival to the emergency room, he keeps screaming, “they are eating me alive," and swatting his hands. He reports that there are spiders crawling all over him. His girlfriend, who arrives shortly after, c... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old boy is brought to the pediatrician with fever, diarrhea and bilateral red eye for 7 days. His parents noted that he has never had an episode of diarrhea this prolonged, but several other children at daycare had been ill. His immunization history is up to date. His vitals are normal except for... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Three hours after the onset of labor, a 39-year-old woman, gravida 2, para 1, at 40 weeks' gestation has sudden worsening of abdominal pain and vaginal bleeding. 18 months ago her first child was delivered by a lower segment transverse cesarean section because of cephalopelvic disproportion. Her temperatu... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old man with longstanding ischemic heart disease presents to the clinic with complaints of increasing exercise intolerance and easy fatigability for the past 2 weeks. He further states that he has been experiencing excessive daytime somnolence and shortness of breath with exertion. His wife adds... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old woman with a medical history significant for asthma, hypertension, and occasional IV drug use comes to the emergency department with fever. On physical exam, there are findings depicted in figure A, for which the patient cannot account. What test will be most helpful to establish the diagnos... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old man is brought to the emergency department because of progressive weakness of his lower extremities and urinary incontinence for the past 3 weeks. Over the past 2 months, he has also had increasing back pain. Physical examination shows an unsteady gait. Muscle strength is decreased in both l... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 75-year-old woman comes to the physician because of fatigue and decreasing exercise tolerance over the past 6 weeks. She also has intermittent episodes of dizziness. She has never smoked and does not drink alcohol. She takes a daily multivitamin. She appears pale. Physical examination... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman has a follow-up visit with her physician. She was diagnosed with allergic rhinitis and bronchial asthma at 11 years of age. Her regular controller medications include daily high-dose inhaled corticosteroids and montelukast, but she still needs to use a rescue inhaler 3–4 times a week f... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman comes to the physician because of several days of fever, abdominal cramps, and diarrhea. She drank water from a stream 1 week ago while she was hiking in the woods. Abdominal examination shows increased bowel sounds. Stool analysis for ova and parasites shows flagellated multinucleated... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old boy is brought in to his pediatrician for a routine checkup. The parents mention that the child has been developing appropriately, although they have been noticing that the child appears to have chronic constipation. The parents report that their child does not routinely have daily bowel move... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old rock musician presents to the office because he has been feeling increasingly tired for the past 6 months. He has a history of intravenous drug use and alcohol abuse. He states that he feels quite tired, but he otherwise has no complaints. Physical examination is noncontributory. His laborat... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old male has a history of gout complicated by several prior episodes of acute gouty arthritis and 3 prior instances of nephrolithiasis secondary to uric acid stones. He has a serum uric acid level of 11 mg/dL (normal range 3-8 mg/dL), a 24 hr urine collection of 1300 mg uric acid (normal range 2... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old woman is brought to the emergency department by her family for not being responsive. The patient had locked herself in her room for several hours after breaking up with her boyfriend. When her family found her, they were unable to arouse her and immediately took her to the hospital. The pati... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> After hospitalization for urgent chemotherapy to treat Burkitt’s lymphoma, a 7-year-old boy developed paresthesias of the fingers, toes, and face. Vital signs are taken. When inflating the blood pressure cuff, the patient reports numbness and tingling of the fingers. His blood pressure is 100/65 mm Hg. Re... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old female presents to your clinic concerned that she has not had her menstrual cycle in 5 months. She has not been sexually active and her urine pregnancy test is negative. She states that she has been extremely stressed as she is in the middle of her gymnastics season and trying to get recruit... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old male with a history of thyroid cancer status post total thyroidectomy presents to his primary care physician after repeated bouts of headaches. His headaches are preceded by periods of anxiety, palpitations, and sweating. The patient says he is unable to pinpoint any precipitating factors an... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old woman presents to her college campus clinic with the complaint of being unable to get up for her morning classes. She says that, because of this, her grades are being affected. For the past 6 weeks, she says she has been feeling depressed because her boyfriend dumped her. She finds herself v... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-year-old boy is brought to the physician for evaluation of 2 months of progressive clumsiness, falls, and increased urinary frequency. Physical examination shows bilateral temporal visual field loss. An MRI of the head shows a small calcified suprasellar mass. The patient undergoes surgery with comple... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old male is brought to the emergency department with a 1-week history of worsening headache. Over the past 2 days, he has become increasingly confused and developed nausea as well as vomiting. One week ago, he struck his head while exiting a car, but did not lose consciousness. His maternal uncl... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old woman is brought to the clinic by her husband with complaints of cognitive decline. The patient’s husband says that she has had intermittent problems with her memory for the past few years. He says she has occasional ‘bad days’ where her memory deteriorates to the point where she cannot perf... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old woman presents for prenatal counseling at 18 weeks gestation. The patient tells you that her sister recently had a child with Down's syndrome, and the patient would like prenatal screening for Down's in her current pregnancy. Which of the following prenatal screening tests and results would ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman gives birth to a 2.2 kg child while on vacation. The mother's medical records are faxed to the hospital and demonstrate the following on hepatitis panel: hepatitis B surface antigen (HbsAg) positive, anti-hepatitis B core antigen (anti-HbcAg) positive, hepatitis C RNA is detected, hepa... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old woman presents to the emergency department with chronic diarrhea, fatigue, and weakness. She also had mild lower extremity edema. On examination, she was noted to be pale. Blood testing revealed peripheral eosinophilia (60%) and a Hb concentration of 8 g/dL. The stool examination revealed Fa... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator studying influenza virus variability isolates several distinct influenza virus strains from the respiratory secretions of a study subject. Mass spectrometry analysis of one strain shows that it expresses neuraminidase on its surface. Subsequent sequencing of this strain shows that its geno... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old male presents with left hip pain. Examination reveals mild effusions in both knees, with crepitus in both patellofemoral joints. He states his hearing has worsened recently and that he feels like his hats don't fit anymore. Bone scan reveals diffuse uptake in the calvarium, right proximal fe... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old G2P1 woman presents to the clinic and is curious about contraception immediately after her baby is born. She is anxious about taking care of one child and does not believe that she can handle the responsibility of caring for another. She has no other questions or complaints today. Her past m... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-year-old girl born to a 40-year-old woman is undergoing an examination by a pediatric resident in the hospital. The pregnancy was uneventful and there were no complications during the delivery. The physical examination reveals midface hypoplasia with a flat nasal bridge and upslanting palpebral fissur... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man presents to the clinic with a midline swelling in his neck. He is unsure about when it appeared. He denies any difficulty with swallowing or hoarseness. His past medical history is insignificant. On physical examination, there is a 1 cm x 2 cm firm mildly tender nodule on the anterior mi... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old girl presents after losing consciousness during class 30 minutes ago. According to her friends, she was doing okay since morning, and nobody noticed anything abnormal. The patient’s mother says that her daughter does not have any medical conditions. She also says that the patient has always ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old woman comes to the physician because of a 3-month history of recurring chest discomfort. The symptoms occur when walking up the stairs to her apartment or when walking quickly for 5 minutes on level terrain. She has not had shortness of breath, palpitations, or dizziness. She has hypertensio... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old boy presents with several light brown macules measuring 4–5 cm located on his trunk. He has no other medical conditions, but his mother has similar skin findings. He takes no medications, and his vital signs are within normal limits. Ophthalmic examination findings are shown in the image bel... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman is brought to the emergency room by her mother after she is found to have cut both of her wrists with razor blades. The patient admits to a history of self-mutilation and attributed this incident to a recent breakup with a man she had been seeing for the previous 2 weeks. On morning ro... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old boy is brought to the emergency department by ambulance with a visible deformity of the upper thigh after being involved in a motor vehicle collision. He is informed that he will require surgery and is asked about his medical history. He mentions that he had surgery to remove his tonsils sev... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old male presents to his primary care physician complaining of upper abdominal pain. He reports a four-month history of gnawing epigastric discomfort that improves with meals. He has lost 10 pounds over that same period. His past medical history is significant for a prolactinoma for which he und... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man presents to the emergency department with a fever and weakness. He states his symptoms started yesterday and have been gradually worsening. The patient has a past medical history of obesity, diabetes, alcohol abuse, as well as a 30 pack-year smoking history. He lives in a nursing home an... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man is brought to the emergency department by the police for examination. The police have reason to believe he may have swallowed a large number of cocaine-containing capsules during an attempt to smuggle the drug across the border. They request an examination of the patient to determine if ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-year-old boy presents to the emergency department with his parents. The boy complains of fever, neck stiffness, and drowsiness for the last several days. His past medical history is noncontributory. The boy was born at 39 weeks gestation via spontaneous vaginal delivery. He is up to date on all vacci... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man is seen by his endocrinologist for routine followup of his type 2 diabetes. Although he has previously been on a number of medication regimens, his A1C has remained significantly elevated. In order to try to better control his glucose level, the endocrinologist prescribes a new medicatio... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old African-American man comes to the physician for intermittent episodes of dark urine and mild flank pain. The patient has had 3 episodes of frank reddish discoloration of his urine within 1 month. He has chronic headaches and back pain for which he has been taking aspirin and ibuprofen daily ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old woman comes to the physician because of painless lesions on the vulva that she first noticed 2 days ago. She does not have any urinary symptoms. She has gastroesophageal reflux disease for which she takes omeprazole. She has smoked one pack of cigarettes daily for 10 years. She is sexually a... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old male is brought into the emergency department complaining of chills, headaches, and malaise for several days. He also states that he experiences shortness of breath when climbing two flights of stairs in his home. He admits to occasionally using intravenous drugs during the previous year. On... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old patient who immigrated from the Middle East to the United States 10 years ago presents to the emergency department because of excessive weakness, abdominal discomfort, and weight loss for the past 10 months. He has had type 2 diabetes mellitus for 10 years for which he takes metformin. He ha... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-year-old girl is brought to the physician by her father because of abnormal movements of her limbs for 4 days. She has had involuntary nonrhythmic movements of her arms and legs, and has been dropping drinking cups and toys. The symptoms are worse when she is agitated, and she rarely experiences them ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old man comes to the physician because of progressive fatigue and lower back pain for the past 4 months. The back pain worsened significantly after he had a minor fall while doing yard work the previous day. For the past year, he has had a feeling of incomplete emptying of his bladder after void... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old man presents to his primary care provider with complaints of 2 days of profuse diarrhea. He states that his stool started to turn watery and lighter in color beginning yesterday, and he has not noticed any fevers. His diarrhea episodes have become more frequent and white-colored over the pas... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old boy is brought to the physician for a well-child examination. His mother has noticed he frequently falls while running. He was born at term and pregnancy was uncomplicated. He has a seizure disorder treated with phenytoin. He is at the 20th percentile for height and at 30th percentile for wei... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman presents with an 8-month history of insomnia and anxiety. She says that she has difficulty sleeping and has feelings of impending doom linked to her difficult financial situation. No significant family history and no current medications. The patient has prescribed an 8 week supply of m... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old girl comes to the physician because of a sore throat and subjective fevers for the past 2 weeks. She has been feeling lethargic and is unable to attend school. She has a history of multiple episodes of streptococcal pharyngitis treated with amoxicillin. She immigrated with her family to the ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49 year-old-male presents with a primary complaint of several recent episodes of severe headache, sudden anxiety, and a "racing heart". The patient originally attributed these symptoms to stress at work; however, these episodes are becoming more frequent and severe. Laboratory evaluation during such an ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old woman is brought to the emergency department following a motor vehicle accident. She was walking on the sidewalk when a car traveling at high speed knocked her off her feet. She did not sustain any obvious injury but has painful breathing. An X-ray of the chest is taken to exclude a rib frac... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man with a past medical history significant for HIV and a social history of multiple sexual partners presents with new skin findings. His past surgical and family histories are noncontributory. The patient's blood pressure is 129/75 mm Hg, the pulse is 66/min, the respiratory rate is 16/min,... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old female presents to her primary care physician with constipation and abdominal pain. She notes that the pain has been present for several days and is not related to food. She also reports increased urinary frequency without incontinence, as well as increased thirst. She takes no medications, ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 39-year-old woman comes to the physician because of a slowly enlarging, painless neck mass that she first noticed 3 months ago. During this period, she has also experienced intermittent palpitations, hair loss, and a weight loss of 4.5 kg (10 lb). There is no personal or family histor... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old woman presents to the emergency room with complaints of severe headache, vomiting, neck stiffness, and chest pain that have developed over the last several hours. Her past medical history is notable for diabetes, hypertension, and dyslipidemia. Her temperature is 99.0°F (37.2°C), blood press... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A research team develops a new monoclonal antibody checkpoint inhibitor for advanced melanoma that has shown promise in animal studies as well as high efficacy and low toxicity in early phase human clinical trials. The research team would now like to compare this drug to existing standard of care immunoth... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old male with a homozygous CCR5 mutation is found to be immune to HIV infection. The patient’s CCR5 mutation interferes with the function of which viral protein? ---- <<Choices:>> A) Reverse transcriptase B) gp120 C) gp41 D) pp17 ---- <<Answer:>> | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A cross-sectional study is investigating the association between smoking and the presence of Raynaud phenomenon in adults presenting to a primary care clinic in a major city. A standardized 3-question survey that assesses symptoms of Raynaud phenomenon was used to clinically diagnosis patients if they ans... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-year-old boy is brought to a family physician by his mother with a history of recurrent headaches. The headaches are moderate-to-severe in intensity, unilateral, mostly affecting the left side, and pulsatile in nature. Past medical history is significant for mild intellectual disability and complex p... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old man comes to the physician for a 2-month history of increased urinary frequency. Urodynamic testing shows a urinary flow rate of 11 mL/s (N>15) and a postvoid residual volume of 65 mL (N<50). Prostate-specific antigen level is 3.2 ng/mL (N<4). Treatment with a drug that also increases scalp ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old man who suffered a motor vehicle accident 3 months ago presents to the office for a neurological evaluation. He has no significant past medical history and takes no current medications. He has a family history of coronary artery disease in his father and Alzheimer’s disease in his mother. On... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old male presents with complaints of polydipsia and frequent, large-volume urination. Laboratory testing does not demonstrate any evidence of diabetes; however, a reduced urine osmolality of 120 mOsm/L is measured. Which of the following findings on a desmopressin test would be most consistent w... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old woman comes into the primary care office as a new patient with gradually worsening arthritis and reduced grip strength, primarily involving the base of her fingers, wrists, and ankles. She reports feeling slow after getting out of bed in the morning. After further questioning, she notes fati... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old G1P0 woman undergoes her 2nd-trimester ultrasound in a community hospital. During her prenatal care, she was found to have mild anemia, low levels of folate, and serum alpha-fetoprotein levels greater than 2 multiples of the median (MoM) on 2 separate occasions. Her 1st-trimester ultrasound ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old male visits his gastroenterologist for a check-up one year following resection of a 2-cm malignant lesion in his sigmoid colon. Serum levels of which of the following can be used in this patient to test for cancer recurrence? ---- <<Choices:>> A) Alpha-fetoprotein B) Carcinoembryonic antigen... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old man is seen by his primary care physician. The patient has a history of excessive daytime sleepiness going back several years. He has begun experiencing episodes in which his knees become weak and he drops to the floor when he laughs. He has a history of marijuana use. His family history is ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old woman presents to her physician complaining of a headache in the occipital region for 1 week. Past medical history is significant for essential hypertension, managed with lifestyle modifications and 2 antihypertensives for the previous 6 months. Her blood pressure is 150/90 mm Hg. Neurologic... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman comes to the emergency department for the evaluation of mild retrosternal pain for the last 7 hours after several episodes of self-induced vomiting. The patient was diagnosed with bulimia nervosa 9 months ago. Her only medication is citalopram. She is 170 cm (5 ft 7 in) tall and weighs... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old woman with an extensive psychiatric history is suspected of having metabolic acidosis after ingesting a large amount of aspirin in a suicide attempt. Labs are drawn and the values from the ABG are found to be: PCO2: 25, and HCO3: 15, but the pH value is smeared on the print-out and illegible... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 41-year-old woman presents to the emergency room with a fever. She has had intermittent fevers accompanied by malaise, weakness, and mild shortness of breath for the past 2 weeks. Her past medical history is notable for recurrent bloody diarrhea for over 3 years. She underwent a flexible sigmoidosopy se... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man presents to his family physician for evaluation of oral pain. He states that he has increasing pain in a molar on the top left of his mouth. The pain started 1 week ago and has been progressively worsening since then. His medical history is significant for hypertension and type 2 diabete... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-month-old infant is brought to her pediatrician for a well-child visit. The infant was born to a 22-year-old mother via a spontaneous vaginal delivery at 38 weeks of gestation in her home. She moved to the United States approximately 3 weeks ago from a small village. She reports that her infant had 2 ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old woman is brought to the physician by her husband because of persistent sadness for the past 2 months. During this period, she also has had difficulty sleeping and an increased appetite. She had similar episodes that occurred 2 years ago and 9 months ago that each lasted for 4 months. Between... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A child presents to his pediatrician’s clinic for a routine well visit. He can bend down and stand back up without assistance and walk backward but is not able to run or walk upstairs. He can stack 2 blocks and put the blocks in a cup. He can bring over a book when asked, and he will say “mama” and “dada”... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old girl is brought to the physician by her parents because she is severely underweight. She is easily fatigued and has difficulty keeping up with other children at her daycare. She has a good appetite and eats 3 full meals a day. She has 4 to 5 bowel movements daily with bulky, foul-smelling sto... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old woman with a history of atrial fibrillation on warfarin, diabetes, seizure disorder and recent MRSA infection is admitted to the hospital. She subsequently begins therapy with another drug and is found to have a supratherapeutic International Normalized Ratio (INR). Which of the following dr... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old boy presents to the emergency department with abdominal pain and tenderness. The pain began approximately 2 days ago in the area just above his umbilicus and was crampy in nature. Earlier this morning, the pain moved laterally to his right lower abdomen. At that time, the pain in the right l... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man presents to the emergency department after an episode of syncope. He states that he was at home when he suddenly felt weak and experienced back pain that has been persistent. He states that he vomited forcefully several times after the episode. The patient has a past medical history of d... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 84-year-old woman is brought by her caretaker to the physician because of a 2-day history of fever, severe headache, neck pain, and aversion to bright light. She appears uncomfortable. Her temperature is 38.5°C (101.3°F), pulse is 110/min, and blood pressure is 145/75 mm Hg. Physical examination shows ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old woman with type 2 diabetes mellitus comes to the physician because she is concerned about the appearance of her toenails. Examination shows yellowish discoloration of all toenails on both feet. The edges of the toenails are lifted, and there is subungual debris. Potassium hydroxide preparati... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old G3P2 woman presents to labor and delivery triage because she has had bleeding over the last day. She is currently 5 months into her pregnancy and has had no concerns prior to this visit. She previously had a delivery through cesarean section and has otherwise had uncomplicated pregnancies. S... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man visits his family physician for 10 months of persistent left flank pain, weight loss, and fatigue. Also, he has had hematuria a couple of times in the last month. His mother was diagnosed and treated for a pheochromocytoma when she was 36 years old, and his father died at 45 years due to... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man comes to the physician because of a 4-month history of fatigue, increased sweating, and a 5.4-kg (12-lb) weight loss. Over the past 3 weeks, he has had gingival bleeding when brushing his teeth. Twenty years ago, he was diagnosed with a testicular tumor and treated with radiation therapy... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old boy presents with shortness of breath on exertion for the past 2 weeks. Although he does not have any other complaints, he is concerned about not gaining much weight despite a good appetite. His height is 188 cm (6 ft 2 in) and weight is 58 kg (124 lb). His blood pressure is 134/56 mm Hg and... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> Three days after admission to the intensive care unit for septic shock and bacteremia from a urinary tract infection, a 34-year-old woman has persistent hypotension. Her blood cultures were positive for Escherichia coli, for which she has been receiving appropriate antibiotics since admission. She has no ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old woman presents to her primary care physician with a complaint of fatigue, difficulty breathing upon exertion, and crampy lower abdominal pain. She also noticed that her stools are dark. She has had essential hypertension for 20 years, for which she takes bisoprolol. Her family history is pos... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old woman presents to the emergency department with intermittent uterine contractions. She is 39 weeks pregnant and experienced a deluge of fluid between her legs while she was grocery shopping. She now complains of painful contractions. She is transferred to the labor and delivery floor and a h... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old obese man comes to the emergency room because of paresthesias in his feet and a hypopigmented skin lesion on his knee that he first noticed 6 weeks ago. He has also had fever, fatigue, and malaise for the last week. He has a history of chronic autoimmune thyroiditis for which he takes levoth... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old woman comes to the physician because of hair loss on her frontal scalp over the past year. Menses have occurred at irregular 40- to 60-day intervals since menarche at the age of 17 years. She has no history of serious illness and takes no medications. She is 162 cm (5 ft 3 in) tall and weigh... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-year-old boy is brought to his physician by his mother for the evaluation of increased bruising for 3 weeks. The mother reports that the patient has also had two episodes of nose bleeding in the last week that subsided spontaneously within a few minutes. The boy was born at term and has been healthy e... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman comes to the emergency department complaining of abdominal pain and bloody vaginal discharge with clots. Her last menstrual period was 7 weeks ago. She does not smoke cigarettes or drink alcohol. She was admitted to the hospital for a deep vein thrombosis about 1 year ago and was treat... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 8-year-old boy is referred to your office by his school for kyphoscoliosis. His mother recently noticed a change in the way he walks but thought it was a normal part of his growth. She notes that he has always been clumsy and has frequent falls. He has a history of type 1 diabetes mellitus for which he... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man presents to the emergency department with painless yellowing of his skin. The patient states he is generally healthy and has no past medical history. He smokes 2 packs of cigarettes per day and was recently treated for a urinary tract infection with a single dose of ceftriaxone followed ... | C |
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