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Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old woman presents to her primary care physician with fatigue. She reports that she has recently been sleeping more than usual and says her “arms and legs feel like lead” for most of the day. She has gained 10 pounds over the past 3 months which she attributes to eating out at restaurants freque... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old man is brought to an urgent care clinic by his wife with complaints of dizziness and blurring of vision for several hours. His wife adds that he has had slurred speech since this morning and complained of difficulty swallowing last night. His wife mentions that her husband was working outdoo... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old woman comes to the physician because of a 2-month history of fatigue, intermittent abdominal pain, and bulky, foul-smelling diarrhea. She has had a 4-kg (8-lb 12-oz) weight loss during this period despite no changes in appetite. Examination of the abdomen shows no abnormalities. Staining of ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old female presents to her PCP after having unprotected sex with her boyfriend 2 days ago. She has been monogamous with her boyfriend but is very concerned about pregnancy. The patient requests emergency contraception to decrease her likelihood of getting pregnant. A blood hCG test returns negat... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old HIV positive male presents to the office complaining of difficulty swallowing and bad breath for the past couple of months. Upon further questioning, he says, "it feels like there’s something in my throat". He says that the difficulty is sometimes severe enough that he has to skip meals. He ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man presents for follow-up to monitor his chronic hepatitis C treatment. The patient was infected with hepatitis C genotype 1, one year ago. He has been managed on a combination of pegylated interferon-alpha and ribavirin, but a sustained viral response has not been achieved. Past medical hi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man is brought to the emergency department after coughing up copious amounts of blood-tinged sputum at his nursing home. He recently had an upper respiratory tract infection that was treated with antibiotics. He has a long-standing history of productive cough that has worsened since he had a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 11-month-old boy is brought to a pediatrician by his parents with a recurrent cough, which he has had since the age of 2 months. He has required 3 hospitalizations for severe wheezing episodes. His mother also mentions that he often has diarrhea. The boy’s detailed history reveals that he required hosp... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old man presents to his family physician’s office for a routine visit and to discuss a growth on his toenail that has been gradually enlarging for a month. He has a history of diabetes mellitus, hyperlipidemia, and hypertension and is on metformin, atorvastatin, and lisinopril. He admits to smok... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old woman presents to her primary care physician due to her “feet feeling painful.” She reports initially having decreased sensation on both of her feet and recently her hands. She now experiences paresthesias, numbness, and a “burning pain.” She is recovering from a recent myocardial infarction... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man comes to the physician because of a 3-day history of intermittent chest tightness that worsens with exercise. He has chronic atrial fibrillation treated with a drug that prolongs the QT interval. During cardiac stress testing, an ECG shows progressive shortening of the QT interval as the... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old female presents to her primary care physician because she is concerned about lighter colored patches on her skin. She recently went sunbathing and noticed that these areas also did not tan. Her doctor explains that she has a fungal infection of the skin that damages melanocytes by producing ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-month-old girl is brought to the physician for a well-child examination. She was born at 37 weeks' gestation. Pregnancy and the neonatal period were uncomplicated. The infant was exclusively breastfed and received vitamin D supplementation. She can sit unsupported and can transfer objects from one han... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman presents to her primary care physician for poor sleep. Her symptoms began approximately 1 week ago, when she started waking up multiple times throughout the night to urinate. She also reports an increase in her water intake for the past few days prior to presentation, as well as larger... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A prospective cohort study was conducted to assess the relationship between LDL and the incidence of heart disease. The patients were selected at random. Results showed a 10-year relative risk (RR) of 3.0 for people with elevated LDL levels compared to individuals with normal LDL levels. The p-value was 0... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old woman presents to the emergency department with abdominal pain. The patient states that she felt this pain come on during dinner last night. Since then, she has felt bloated, constipated, and has been vomiting. Her current medications include metformin, insulin, levothyroxine, and ibuprofen.... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old male presents with palpitations. He reports drinking many glasses of wine over several hours at a family wedding the previous evening. An EKG reveals absent P waves and irregularly irregular rhythm. He does not take any medications. Which is most likely responsible for the patient’s symptoms... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 66-year-old man presents to the emergency department with a 3-hour history of crushing chest pain radiating to the left shoulder and neck. Patient states that the pain began suddenly when he was taking a walk around the block and has not improved with rest. He also mentions difficulty breathing and pref... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old boy presents to the clinic for evaluation of leg pain. This has been persistent for the past 3 days and accompanied by difficulty walking. He has also had some erythema and ecchymoses in the periorbital region over the same time period. The vital signs are unremarkable. The physical exam note... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-year-old boy who recently immigrated from Namibia is being evaluated for exertional shortness of breath and joint pain for the past month. His mother reports that he used to play soccer but now is unable to finish a game before he runs out of air or begins to complain of knee pain. He was a good stud... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old man comes to the emergency department for the evaluation of two episodes of red urine since this morning. He has no pain with urination. He reports lower back pain and fever. Six months ago, he was diagnosed with osteoarthritis of the right knee that he manages with 1–2 tablets of ibuprofen ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old African American woman comes to the physician because of frequent urination. For the past year, she has had to urinate multiple times every hour. She has been thirstier and hungrier than usual. She has not had any pain with urination. She has no time to exercise because she works as an accou... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man presents to an ambulatory clinic for evaluation after feeling food stuck behind the sternum when he was eating a hamburger last night. He was not in pain. He had to drink a whole glass of water to get the food down; however, he did manage to finish his dinner without any further problems... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 82-year-old male with congestive heart failure experiences rapid decompensation of his condition, manifesting as worsening dyspnea, edema, and increased fatigue. Labs reveal an increase in his serum creatinine from baseline. As part of the management of this acute change, the patient is given IV dobuta... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A neurophysiology expert is teaching his students the physiology of the neuromuscular junction. While describing the sequence of events that takes place at the neuromuscular junction, he mentions that as the action potential travels down the motor neuron, it causes depolarization of the presynaptic membra... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A scientist is trying to determine the proportion of white-eyed fruit flies in the environment. The white-eyed allele was found to be dominant to the red-eyed allele. The frequency of the red-eyed allele is 0.1. What is the proportion of flies who have white-eyes if the population is in Hardy Weinberg Equ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying muscle contraction in tissue obtained from the thigh muscle of an experimental animal. After injection of radiolabeled ATP, the tissue is stimulated with electrical impulses. Radioassay of these muscle cells is most likely to show greatest activity in which of the following str... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-month-old boy presents to his family physician after being brought in by his mother. She is concerned that her son has been sick for more than 5 days, and he is not getting better with home remedies and acetaminophen. On examination, the child has a sore throat and obvious congestion in the maxillary... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> Health officials are considering a change be made to the interpretation of the tuberculin skin test that will change the cut-off for a positive purified protein derivative (PPD) from 10 mm to 15 mm for healthcare workers. Which of the following can be expected as a result of this change? ---- <<Choices:>>... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old woman comes to the office complaining of increased urinary frequency and dysuria. She is accompanied by her husband. The patient reports that she goes to the bathroom 6-8 times a day. Additionally, she complains of pain at the end of her urinary stream. She denies fever, abdominal pain, vagi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old boy is brought to the emergency department after being involved in a motor vehicle accident in which he was a restrained passenger. He is confused and appears anxious. His pulse is 131/min, respirations are 29/min, and blood pressure is 95/49 mm Hg. Physical examination shows ecchymosis over... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25 year-old woman is brought to the emergency department by her boyfriend after she cut her forearms with a knife. She has had multiple visits to the emergency department in the past few months for self-inflicted wounds. She claims that her boyfriend is the worst person in the world. She and her boyfrie... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man presents to the emergency department with acute pain in the left lower abdomen and profuse rectal bleeding. These symptoms started 3 hours ago. The patient has chronic constipation and bloating, for which he takes lactulose. His family history is negative for gastrointestinal disorders. ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying the effects of different drugs on the contraction of cardiomyocytes. The myocytes are able to achieve maximal contractility with the administration of drug A. The subsequent administration of drug B produces the response depicted in the graph shown. Which of the following drugs... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old woman comes to the physician for the evaluation of several episodes of urinary incontinence over the past several months. She reports that she was not able to get to the bathroom in time. During the past 6 months, her husband has noticed that she is starting to forget important appointments ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man presents with a history of diarrhea several days after eating a hot dog at a neighborhood barbeque. He notes that the diarrhea is visibly bloody, but he has not experienced a fever. He adds that several other people from his neighborhood had similar complaints, many of which required hos... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man comes to the physician for severe back pain. He describes the pain as shooting and stabbing. On a 10-point scale, he rates the pain as a 9 to 10. The pain started after he lifted a heavy box at work; he works at a supermarket and recently switched from being a cashier to a storekeeper. T... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old female presents to her primary care physician with a chief complaint of pain in her lower extremity. The patient states that the pain has gradually worsened over the past month. The patient states that her pain is worsened when she is training. The patient is a business student who does not ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old man presents to his primary care physician for fatigue. In general, he has been in good health; however, he recently has experienced some weight loss, abdominal pain, and general fatigue. He has a past medical history of anxiety, diabetes, a fracture of his foot sustained when he tripped, an... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old male comes to the physician because of painful genital sores, malaise, and fever for 3 days. He is sexually active with 3 female partners and does not use condoms consistently. His temperature is 38.3°C (101°F). Physical examination shows tender lymphadenopathy in the left inguinal region an... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old woman makes an appointment with a fertility specialist because she has not been able to conceive despite trying for over a year with her husband. She is concerned because her husband has 2 children from a previous marriage whereas she has no children. After obtaining a detailed history as we... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old man presents to his physician’s office with complaints of a cough and painful breathing for the last 2 months. He says that he has also observed a 5 kg (11 lb) weight loss during the past month. He is relatively healthy but the sudden change in his health worries him. Another problem that he... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old man is brought to the physician by his wife for memory issues over the last 7 months. The patient's wife feels that he has gradually become more forgetful. He commonly misplaces his car keys and forgets his children's names. He seems to have forgotten how to make dinner and sometimes serves ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-month-old girl is brought to the office by her parents because they noticed a mass protruding from her rectum and, she has been producing green colored emesis for the past 24 hours. Her parents noticed the mass when she had a bowel movement while changing her diaper. She strained to have this bowel mo... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old man comes to the physician for a pre-employment evaluation. On questioning, he reports a mild cough, sore throat, and occasional headaches for 1 week. He has not had fever or weight loss. Nine years ago, he was diagnosed with HIV. He has gastroesophageal reflux disease. He has a history of I... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old chronic smoker presents to the office complaining of a cough and pleuritic chest pain. He also has had pain in his right shoulder for the past 2 weeks. He denies fever, night sweats, but has noticed a 2.2 kg (5 lb) weight loss in the last month. He has no recent history of travel. Past medic... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-week-old boy has developed bilious vomiting. He was born via cesarean section at term. On physical exam, his pulse is 140, blood pressure is 80/50 mmHg, and respirations are 40/min. His abdomen appears distended and appears diffusely tender to palpation. Abdominal imaging is obtained (Figures A). Whic... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man comes to the emergency department because of pain in the sides of his abdomen and blood-tinged urine since the previous night. Over the last 2 days, he has also had progressive malaise, myalgia, and a generalized itchy rash. He has a history of gastroesophageal reflux that did not respon... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old man is brought to the emergency department because of severe epigastric pain and vomiting for the past 4 hours. The pain is constant, radiates to his back, and is worse on lying down. He has had 3–4 episodes of greenish-colored vomit. He was treated for H. pylori infection around 2 months ag... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman presents with severe, acute-onset colicky abdominal pain and nausea. She also describes bone pain, constipation, headache, decreased vision, and menstrual irregularity. Past medical history is significant for surgical removal of an insulinoma one year ago. Two months ago, she was presc... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old woman, gravida 2, para 1, at 32 weeks' gestation comes to the physician because of a 1-day history of dyspnea and left-sided chest pain that is worse when she breathes deeply. One week ago, she returned from a trip to Chile, where she had a 3-day episode of flu-like symptoms that resolved wi... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old gentleman with a history of intravenous drug use presents with general fatigue and weakness accompanied by swelling in his ankles and lower legs. Further questions elicit that he has had many infections due to his drug use but has not previously had any cardiac or pulmonary issues. Upon phys... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34 year-old-male with a previous diagnosis of Grave’s disease presents for a check-up. Since his diagnosis 4 months ago, the patient’s symptoms have been relatively well-controlled with medications since starting them 3 weeks ago after an initial unsuccessful course of radioiodine ablation. The patient’... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old male presents to the emergency room with shortness of breath after waking up in the middle of the night with a "choking" sensation. The patient has a history of hypertension and MI. Physical examination reveals bibasilar inspiratory crackles and an S3 heart sound. Which of the following drug... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An autopsy of a patient's heart who recently died in a motor vehicle accident shows multiple nodules near the line of closure on the ventricular side of the mitral valve leaflet. Microscopic examination shows that these nodules are composed of immune complexes, mononuclear cells, and thrombi interwoven wi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old man presents with headache, chest discomfort, and blurred vision. His headache started 2 days ago and has not improved. He describes it as severe, throbbing, localized to the occipital part of the head and worse at the end of the day. He says he has associated nausea but denies any vomiting.... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> Forty minutes after undergoing nasal polypectomy for refractory rhinitis, a 48-year-old woman develops chest tightness and shortness of breath. The surgical course was uncomplicated and the patient was successfully extubated. She received ketorolac for postoperative pain. She has a history of asthma, hype... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 51-year-old man presents to his physician’s office with a persistent fever that started a week ago. He says that his temperature ranges between 37.8–39.1°C (100–102.5°F). He has also had a persistent cough productive of foul-smelling sputum. There is no significant medical history to report, but he does... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 11-year-old boy is brought to the emergency department because he was found to have severe abdominal pain and vomiting in school. On presentation, he is found to be lethargic and difficult to arouse. His parents noticed that he was eating and drinking more over the last month; however, they attributed ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man comes to the physician because of a 6-month history of cough, breathlessness, and fatigue. He has also had an 8-kg (17.6-lb) weight loss and night sweats during this time. He appears pale. His vital signs are within normal limits. Physical examination shows hepatosplenomegaly. His leukoc... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old woman comes to the clinic complaining of right eye irritation. The eye is itchy and red. Discomfort has been relatively constant for the last 6 months, and nothing makes it better or worse. Past medical history is significant for hypertension, hyperlipidemia, and aggressive tooth decay, requ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 20-year-old man presents to your office with dyspnea, reporting nocturnal cough. You note expiratory wheezing on auscultation. Chest x-ray reveals increased anteroposterior diameter. Past medical history is significant for multiple episodes of "bronchitis" as a child. Which of the following drugs would ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 75-year-old woman presents complaining of severe shortness of breath and peripheral edema. Her family reports that she has gained a significant amount of weight within the past week. Despite considerable efforts in the emergency department and ICU, she dies from sudden cardiac death overnight. The famil... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old girl is brought to the physician because of an itchy rash on her knee and elbow creases. She has had this rash since early childhood. Physical examination of the affected skin shows crusty erythematous papules with skin thickening. She is prescribed topical pimecrolimus. The beneficial effec... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old man comes to the physician for a follow-up examination. Two weeks ago, he underwent laparoscopic herniorrhaphy for an indirect inguinal hernia. During the procedure, a black liver was noted. He has a history of intermittent scleral icterus that resolved without treatment. Serum studies show:... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old woman comes to the physician because of a 6-day history of painless blisters on her hands, forearms, and face. Some of the blisters have popped and released a clear fluid. She is otherwise healthy. She had been working the night shift as a security guard for the past few years and switched t... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-month-old boy is brought to the emergency room by his mother who reports he has appeared lethargic for the past 3 hours. She reports that she left the patient with a new nanny this morning, and he was behaving normally. When she got home in the afternoon, the patient seemed lethargic and would not bre... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man comes to his primary care physician complaining of abdominal pain. He describes intermittent, burning, epigastric pain over the past 4 months. He reports that the pain worsens following meals. He had an upper gastrointestinal endoscopy done 2 months ago that showed a gastric ulcer withou... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An newborn infant comes to the attention of the neonatal care unit because he started having heavy and rapid breathing. In addition, he was found to be very irritable with pale skin and profuse sweating. Finally, he was found to have cold feet with diminished lower extremity pulses. Cardiac auscultation r... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old man with a history of stage 4 kidney disease was admitted to the hospital for an elective hemicolectomy. His past medical history is significant for severe diverticulitis. After the procedure he becomes septic and was placed on broad spectrum antibiotics. On morning rounds, he appear weak an... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old man comes to the physician for increasing shortness of breath and retrosternal chest pain on exertion. He has smoked 2 packs of cigarettes daily for 35 years. His blood pressure is 145/90 mm Hg. Cardiac examination is shown. Which of the following is the most likely cause of this patient's a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old man presents with fatigue and tingling in both feet and hands. Past medical history is significant for type 2 diabetes mellitus diagnosed 27 years ago, for which he takes metformin and gliclazide. He denies any smoking, alcohol, or illicit drug use. Physical examination is unremarkable. Labo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old man presents to his primary care physician for evaluation before going off to college. Specifically, he wants to know how to stay healthy while living outside his home. Since childhood he has suffered severe sunburns even when he goes outside for a small period of time. He has also developed... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 11-year-old boy presents to your clinic after 4 months of pain and swelling in his thigh. His mother states that at first she thought his condition was due to roughhousing, but it hasn’t gone away and now she’s concerned. You perform an X-ray that shows an ‘onion skin’ appearance on the diaphysis of th... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old woman presents to her physician for evaluation of sudden onset respiratory distress for the past few hours. The past medical history includes a myocardial infarction 2 years ago. The vital signs include a blood pressure 70/40 mm Hg, pulse 92/min, respiratory rate 28/min, and SpO2 92% on room... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old man presents to the neurology clinic for an appointment after having been referred by his family physician. Four months earlier, he presented with worsening upper limb weakness. His primary complaint at that time was that he was unable to play badminton because of increasing difficulty in mo... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old woman with cystic fibrosis comes to the physician for a follow-up examination. She has been hospitalized frequently for pneumonia and nephrolithiasis and is on chronic antibiotic therapy for recurrent sinusitis. The patient and her husband would like to have a child but have been unable to c... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old male visits the clinic with complaints of intermittent diarrhea over the past 6 months. He has lost 6.8 kg (15 lb) over that time period. His frequent bowel movements are affecting his social life and he would like definitive treatment. Past medical history is significant for chronic type 2 ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old girl is brought to the clinic by her mother for an annual well-exam. She is relatively healthy with an unremarkable birth history. She reports no specific concerns except for the fact that her friends “already got their periods and I still haven’t gotten mine.” Her mom reports that she also ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man with long-standing diabetes presents with a fragility fracture. He has chronic renal failure secondary to his diabetes. His serum parathyroid hormone concentration is elevated. You measure his serum concentration of 25(OH)-vitamin D and find it to be normal, but his concentration of 1,25... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old man with bipolar I disorder and hypertension comes to the physician because of a 2-week history of increased thirst, urinary frequency, and sleep disturbance. He says that he now drinks up to 30 cups of water daily. He has smoked 2 packs of cigarettes daily for the past 20 years. Examination... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man comes to his primary care provider after having severe abdominal cramping and diarrhea beginning the previous night. He denies any fevers or vomiting. Of note, he reports that he works in a nursing home and that several residents of the nursing home exhibited similar symptoms this mornin... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 79-year-old man with a history of prostate cancer is brought to the emergency department because of lower abdominal pain for 1 hour. He has not urinated for 24 hours. Abdominal examination shows a palpable bladder that is tender to palpation. A pelvic ultrasound performed by the emergency department res... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man with a body mass index of 45 kg/m^2 presents to his primary care doctor with right hip pain. He asserts that the pain is instigated by walking up and down stairs around a construction site which he oversees. On physical exam, his hips are symmetric and equal with no tenderness to palpati... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-year-old girl with a recently diagnosed seizure disorder is brought to the physician by her mother for genetic counseling. She has difficulties in school due to a learning disability. Medications include carbamazepine. She is at the 95th percentile for height. Genetic analysis shows a 47, XXX karyoty... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old woman comes to the physician for a 1-week-history of painful urination and urinary frequency. She has no history of serious illness and takes no medications. She is sexually active with her boyfriend. Her temperature is 36.7°C (98.1°F). There is no costovertebral angle tenderness. Urine dips... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old man is brought to the emergency department 1 hour after the sudden onset of chest pain and shortness of breath. He describes the pain as severe and occasionally migrating to his left arm and back. He has hypertension treated with hydrochlorothiazide and lisinopril. He has smoked one pack of ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old G2P1001 presents to the labor floor for external cephalic version (ECV) due to breech presentation at 37 weeks gestation. Her pregnancy has been complicated by an episode of pyelonephritis at 14 weeks gestation, treated with intravenous ceftriaxone. The patient has not had urinary symptoms s... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old college student consumed a container of canned vegetables for dinner. Fourteen hours later, he presents to the E.R. complaining of difficulty swallowing and double-vision. The bacterium leading to these symptoms is: ---- <<Choices:>> A) An obligate aerobe B) Gram-negative C) Rod-shaped D) No... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-year-old boy is brought to the emergency department by his mother. She says that he started having “a cold” yesterday, with cough and runny nose. This morning, he was complaining of discomfort with urination. His mother became extremely concerned when he passed bright-red urine with an apparent blood ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old female comes to her primary care physician with complaints of fatigue and nausea. She has also noticed that her skin tone is darker than it used to be. On exam, the physician notes that the woman appears to be jaundiced and obtains liver enzymes which demonstrate an elevated AST and ALT. Fur... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old man comes to the physician because of a 4-month history of progressively worsening fatigue and loss of appetite. Five years ago, he received a kidney transplant from a living family member. Current medications include sirolimus and mycophenolate. His blood pressure is 150/95 mm Hg. Laborator... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old woman visits a psychiatrist expressing her feelings of sadness which are present on most days of the week. She says that she has been feeling this way for about 2 to 3 years. During her first pregnancy 3 years ago, the fetus died in utero, and the pregnancy was terminated at 21 weeks. Ever s... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-day-old newborn is brought to the pediatrician for lethargy, poor muscle tone, and feeding difficulty with occasional regurgitation that recently turned into projectile vomiting. The child was born via vaginal delivery without complications. On examination, the vital signs include: pulse 130/min, res... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old woman comes to the emergency department because of increasingly severe right upper abdominal pain, fever, and nonbloody vomiting for 5 hours. The pain is dull and intermittent and radiates to her right shoulder. During the past 3 months, she had recurring abdominal discomfort after meals. Sh... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-day-old boy is examined on day of discharge from the newborn nursery. He was born at 39 weeks by vaginal delivery to a primigravid mother. The pregnancy and delivery were uncomplicated, and the baby has been stooling, urinating, and feeding normally. Both the patient’s mother and father have no known ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is comparing DNA replication in prokaryotes and eukaryotes. He finds that the entire genome of E. coli (4 × 106 base pairs) is replicated in approximately 30 minutes. A mammalian genome (3 × 109 base pairs) is usually replicated within 3 hours. Which of the following characteristics of euk... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman presents to the emergency department after fainting at a baseball game. The patient was using the bathroom and upon standing up, felt a warm and tingling sensation followed by an episode of syncope that lasted for about 5 seconds. While the patient was unconscious, bystanders observed ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old girl is brought in by her parents to her pediatrician with concerns that their daughter still has not had her first menstrual cycle. The parents report that the patient has had no developmental issues in the past. She was born full term by vaginal delivery and has met all other milestones gr... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A microbiologist is involved in research on the emergence of a novel virus, X, which caused a recent epidemic in his community. After studying the structure of the virus, he proposes a hypothesis: Virus X developed from viruses A and B. He suggests that viruses A and B could co-infect a single host cell. ... | C |
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