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Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman is brought to the physician by her husband, who is concerned about her ability to care for herself. Three weeks ago, she quit her marketing job to start a clothing company. Since then, she has not slept more than 4 hours per night because she has been working on her business plans. She... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man presents to the emergency department complaining of worsening exertional dyspnea over the last week. He denies chest pain and lightheadedness but reports persistent cough with white sputum. His past medical history includes hypertension and diabetes mellitus. He has a 50 pack-year histor... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 61-year-old man comes to the physician because of a 3-month history of fatigue and progressively worsening shortness of breath that is worse when lying down. Recently, he started using two pillows to avoid waking up short of breath at night. Examination shows a heart murmur. A graph with the results of ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old woman comes to the physician for evaluation of worsening fatigue and an unintentional 6.8-kg (15-lb) weight loss over the past 2 months. She also reports having had an unusual appetite for soil and clay for several months. She has a history of osteoarthritis of the knees, for which she takes... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old man presents with a complaint of progressive dyspnea on minimal exertion. The patient reports being quite active and able to climb 3 flights of stairs in his building 10 years ago, whereas now he feels extremely winded when climbing a single flight. At first, he attributed this to old age bu... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An unconscious middle-aged man is brought to the emergency department. He is actively bleeding from the rectum. He has no past medical history. At the hospital, his pulse is 110/min, the blood pressure is 90/60 mm Hg, the respirations are 26/min, and the oxygen saturation is 96% at room air. His extremiti... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old woman presents to the clinic with joint pain that has persisted for the last 2 months. She reports having intermittently swollen, painful hands bilaterally. She adds that when she wakes up in the morning, her hands are stiff and do not loosen up until an hour later. The pain tends to improve... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 79-year-old man is brought to the emergency department after he noted the abrupt onset of weakness accompanied by decreased sensation on his left side. His symptoms developed rapidly, peaked within 1 minute, and began to spontaneously resolve 10 minutes later. Upon arrival in the emergency room 40 minut... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old woman comes to the physician because of a 1-month history of mild fatigue and weakness. Physical examination shows no abnormalities. Her hemoglobin concentration is 11 g/dL and mean corpuscular volume is 74 μm3. Hemoglobin electrophoresis shows 10% HbA2 (normal < 3.5%). Which of the followin... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old man comes to the emergency department because of worsening nausea and reduced urine output for the past 3 days. One week ago he had a 4-day episode of abdominal pain, vomiting, and watery, nonbloody diarrhea that began a day after he returned from a trip to Mexico. He has not been able to ea... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old woman presents to the emergency department because of muscle tightness and pain. She says that she has experienced increasing tightness and cramping of the muscles on the left side of her neck. She also says that she has trouble looking downwards because her “eyes are stuck.” She has a histo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man with stage IV melanoma comes to the physician with his wife for a routine follow-up examination. He was recently diagnosed with new bone and brain metastases despite receiving aggressive chemotherapy but has not disclosed this to his wife. He has given verbal consent to discuss his progn... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-week-old infant is brought to the physician by his mother because of blood-tinged stools for 3 days. He has also been passing whitish mucoid strings with the stools during this period. He was delivered at 38 weeks' gestation by lower segment transverse cesarean section because of a nonreassuring fetal... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> Two days after being admitted to the hospital because of severe peripartum vaginal bleeding during a home birth, a 40-year-old woman, gravida 3, para 3, has a 30-second generalized convulsive seizure followed by unconsciousness. Prior to the event she complained of acute onset of sweating and uncontrollab... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old man presents with a 2-day history of worsening right lower leg pain. He states that he believes his right leg is swollen when compared to his left leg. Past medical history is significant for generalized anxiety disorder, managed effectively with psychotherapy. He smokes a pack of cigarettes... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old woman presents to your outpatient clinic complaining of headaches, blurred vision, and fatigue. She has a blood pressure of 171/91 mm Hg and heart rate of 84/min. Physical examination is unremarkable. Her lab results include K+ of 3.1mEq/L and a serum pH of 7.51. Of the following, which is t... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old woman with type 2 diabetes mellitus is brought to the emergency room because of a 3-day history of fever and shaking chills. Her temperature is 39.4°C (103°F). Examination of the back shows right costovertebral angle tenderness. Analysis of the urine shows WBCs, WBC casts, and gram-negative ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old woman is brought to the emergency department following a stab wound to the neck. Per the patient, she was walking her dog when she got robbed and was subsequently stabbed with a knife. Vitals are stable. Strength examination reveals 2/5 right-sided elbow flexion and extension, wrist extensio... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman is brought to your office by her husband. The husband says that she had been acting strange lately. She has been forgetful, and she sometimes becomes angered for no reason, which is highly unusual for her. She has also been having random, uncontrollable movements, which are also new. O... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 27-year-old man is brought to the emergency department 35 minutes after being involved in a high-speed motor vehicle collision in which he was an unrestrained passenger. He was ambulatory at the accident scene, with stable vital signs and no major external injuries except abrasions to... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man with chronic hepatitis C is admitted to the hospital because of jaundice and abdominal distention. He is diagnosed with decompensated liver cirrhosis, and treatment with diuretics is begun. Two days after admission, he develops abdominal pain and fever. Physical examination shows tense a... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old woman visits her family physician complaining of the recent onset of an unpleasant fish-like vaginal odor that has started to affect her sexual life. She was recently treated for traveler’s diarrhea after a trip to Thailand. External genitalia appear normal on pelvic examination, speculoscop... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An office team is being observed by an outside agency at the request of management to make sure they are completing all their tasks appropriately. Several of the employees are nervous that they are being watched and take care to perform their jobs with extra care, more so than they would have done during ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 2-year-old boy is brought to the emergency room by his mother because of persistent crying and refusal to move his right arm. The episode began 30 minutes ago after the mother lifted him up by the arms. He appears distressed and is inconsolable. On examination, his right arm is held c... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman presents to a physician for genetic counseling, because she is worried about trying to have a child. Specifically, she had 2 siblings that died young from a lysosomal storage disorder and is afraid that her own children will have the same disorder. Her background is Ashkenazi Jewish, b... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A newborn is delivered at term to a 38-year-old woman after an uncomplicated pregnancy and delivery. The newborn's blood pressure is 142/85 mm Hg. Examination shows clitoral enlargement and labioscrotal fusion. Serum studies show a sodium of 151 mg/dL and a potassium of 3.2 mg/dL. Karyotype analysis shows... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man comes to the physician because of generalized malaise, yellowish discoloration of the eyes, and pruritus on the back of his hands that worsens when exposed to sunlight for the past several months. He has not seen a physician in 15 years. Physical examination shows scleral icterus and mil... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman comes to the physician because of a 3-month history of pain during intercourse and vaginal dryness. The patient has also had intermittent hot flashes and fatigue during this time. Over the past year, her periods have become irregular. Her last menstrual period was over six months ago. ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old woman presents to a physician for evaluation of a lump in her left breast. She noticed the lump last week while taking a shower. She says that the lump seemed to be getting larger, which worried her. The lump is not painful. The medical history is unremarkable. She has smoked cigarettes for ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman is brought to the emergency department 30 minutes after being found unresponsive on the floor by her boyfriend. Paramedics found several empty pill bottles next to her on the floor. According to her boyfriend, she has a history of insomnia and generalized anxiety disorder and was recen... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old woman with atrial fibrillation comes to the emergency department because of sudden-onset severe abdominal pain, nausea, and vomiting for the past 2 hours. She has smoked a pack of cigarettes daily for the past 25 years. Her pulse is 110/min and blood pressure is 141/98 mm Hg. Abdominal exami... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year old man comes to the emergency department because of altered mental status for 1 day. He has had headaches, severe nausea, vomiting, and diarrhea for 2 days. He has a history of hypertension, insomnia, and bipolar disorder. His medications include lisinopril, fluoxetine, atorvastatin, lithium, o... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man presents with an intermittent low-to-high grade fever, night sweats, weight loss, fatigue, and exercise intolerance. The symptoms have been present for the last 6 months. The patient is a software developer. He smokes one-half pack of cigarettes daily and drinks alcohol occasionally. He ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-year-old male is found to have high blood pressure on multiple visits to your office. On examination, the patient has normal genitalia. Further laboratory workup reveals low serum aldosterone and high serum testosterone. Which of the following is most likely to be elevated in this patient? ---- <<Choi... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-hours-old neonate is found to have bluish discoloration throughout his body, including lips and tongue. The boy was born at 39 weeks gestation via spontaneous vaginal delivery with no prenatal care. Maternal history is positive for type 2 diabetes mellitus for 11 years. On physical examination, his bl... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman comes to the physician for a 3-week history of intermittent episodes of dizziness. The episodes last for hours at a time and are characterized by the sensation that the room is spinning. The patient also reports that she has started using her cell phone with her left ear because she he... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old ِAfrican American woman presents with difficulty breathing, chest pain, and a non-productive cough. She says she took some ibuprofen earlier but it did not improve her pain. Past medical history is significant for sickle cell disease. Medications include hydroxyurea, iron, vitamin B12, and a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old woman comes to the physician because of a 6-month history of fatigue, constipation, and a 7-kg (15.4-lb) weight gain. Menses occur irregularly in intervals of 40–50 days. Her pulse is 51/min, and blood pressure is 145/86 mm Hg. Examination shows conjunctival pallor and cool, dry skin. There ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old man presents to the emergency department after a motor vehicle accident. The patient reports left shoulder pain that worsens with deep inspiration. Medical history is significant for a recent diagnosis of infectious mononucleosis. His temperature is 99°F (37.2°C), blood pressure is 80/55 mmH... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man comes to the physician for decreased exercise tolerance. Over the past four months, he has noticed progressively worsening shortness of breath while walking his dog. He also becomes short of breath when lying in bed at night. His temperature is 36.4°C (97.5°F), pulse is 82/min, respirati... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old man is brought to the trauma bay by ambulance after sustaining a gunshot wound to the right arm. The patient is in excruciating pain and states that he can’t move or feel his hand. The patient states that he has no other medical conditions. On exam, the patient’s temperature is 98.4°F (36.9°... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> An 8-month-old infant is brought to the physician by his mother because of a 1-month history of progressive listlessness. His mother says, ""He used to crawl around, but now he can't even keep himself upright. He seems so weak!"" Pregnancy and delivery were uncomplicated. Examination shows hypotonia and a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 66-year-old woman is brought to the emergency department 4 hours after falling and hitting her head while skiing. Initially, she refused treatment, but an hour ago she began to develop a severe headache, nausea, and right leg weakness. She has osteopenia. Her only medication is a daily multivitamin. She... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old female presents to the emergency room with fevers, fatigue, and anorexia for over a month. Past medical history includes mild mitral valve prolapse. She underwent an uncomplicated tooth extraction approximately 6 weeks ago. Her vital signs include a temperature of 100.8 F, pulse of 83, blood... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-week-old male infant is brought to the physician for follow-up. He was delivered at 30 weeks' gestation via Cesarean section and was cyanotic at birth, requiring resuscitation and a neonatal intensive care unit hospitalization. His mother received no prenatal care; she has diabetes mellitus type II an... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man presented to the hospital with a history of repeated falls, postural dizziness, progressive fatigue, generalized weakness, and a 13.6 kg (30 lb) weight loss over a duration of 6 months. He is a vegetarian. His family members complain of significant behavioral changes over the past year. ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man comes to the physician because of generalized fatigue for the past 4 months. He also has difficulty sleeping and concentrating. He says he does not enjoy his hobbies anymore and has stopped attending family events. Mental status examination shows psychomotor retardation and a flat affect... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A trauma 'huddle' is called. Morphine is administered for pain. Low-flow oxygen is begun. A traumatic diaphragmatic rupture is suspected. Infusion of 0.9% saline is begun. Which of the following is the most appropriate next step in management? ---- <<Choices:>> A) Barium study B) Chest fluoroscopy C) CT o... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old woman comes to the physician because of headache and difficulty sleeping for the past 2 days. She states that she has had similar symptoms over the past several months and that they occur every month around the same time. The episodes are also frequently accompanied by decreased concentratio... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old boy is brought to the pediatrician by his parents with a presentation of severe diarrhea, vomiting, and fever for the past 2 days. The child is enrolled at a daycare where several other children have had similar symptoms in the past week. On physical exam, the child is noted to have dry mucou... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 37-year-old man comes to the physician for the evaluation of a 8-week history of intermittent burning epigastric pain. During this period, he has also felt bloated and uncomfortable after meals. He has not had weight loss or a change in bowel habits. He has no personal or family histo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old woman comes to her primary care physician because she has not had a menstrual period for 6 months. She is a competitive runner and has been training heavily for the past year in preparation for upcoming races. She has no family or personal history of serious illness. She has not been sexuall... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 76-year-old hypertensive man who used to smoke 20 cigarettes a day for 40 years but quit 5 years ago presents to his family physician with a painless ulcer on the sole of his left foot, located at the base of his 1st toe. He has a history of pain in his left leg that awakens him at night and is relieved... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old woman comes to the physician because she is seeing things that she knows are not there. Sometimes she sees a dog in her kitchen and at other times she sees a stranger in her garden, both of which no one else can see. She also reports a lack of motivation to do daily tasks for the past week. ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man presents to the emergency department for worsening shortness of breath with exertion, mild chest pain, and lower extremity swelling. The patient reports increasing his alcohol intake and has been consuming a diet rich in salt over the past few days. Physical examination is significant fo... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An otherwise healthy 42-year-old man undergoes routine investigations prior to blood donation. His complete blood count is shown: Hemoglobin 9.3 g/dL Mean corpuscular volume (MCV) 71 μm3 Mean corpuscular hemoglobin (MCH) 21 pg/cell White blood cell count 8,200/mm3 Platelet count 317,000/mm3 Iron studies a... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old girl is brought by her parents to her pediatrician’s office for a persistent cough observed over the past month. She was diagnosed with cystic fibrosis 2 years ago and his been receiving chest physiotherapy regularly and the flu vaccine yearly. Her parents tell the pediatrician that their dau... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old man presents with lower limb weakness for the past 2 days. The patient says that the weakness started in both his feet, manifesting as difficulty walking, but it has progressed to where he cannot move his legs completely and has become bedbound. He also has experienced a recent history of nu... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 11-year-old girl presents to the emergency department with a 12-hour history of severe abdominal pain. She says that the pain started near the middle of her abdomen and moved to the right lower quadrant after about 10 hours. Several hours after the pain started she also started experiencing nausea and ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old female presents to her gynecologist with dysmenorrhea, menorrhagia, and pelvic pain. The patient is not taking any medication and has no evidence of fever. Transvaginal sonogram reveals an enlarged, soft, and tender uterus, and uterine biopsy shows normal-appearing endometrial glands within ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-month-old girl is brought to the physician because of a 4-day history of irritability and a rash. Her temperature is 37.7°C (99.9°F). Examination of the skin shows flaccid, transparent blisters and brown crusts on her chest and upper extremities. Application of a shear force to normal skin causes slo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old man is referred to a cardiologist by his primary care provider (PCP) for a new heart murmur. He otherwise feels well and has no complaints. He had not seen a doctor in the last 15 years but finally went to his PCP for a check-up at the urging of his girlfriend. His past medical history is no... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old woman, gravida 2, para 1, at 41 weeks' gestation is admitted to the hospital in active labor. Pregnancy has been uncomplicated. At the beginning of the second stage of labor, the cervix is 100% effaced and 10 cm dilated; the vertex is at -1 station. The fetal heart rate is reactive with no d... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3400-g (7-lb 8-oz) female newborn is delivered at term to a 28-year-old primigravid woman. Apgar scores are 7 and 8 at 1 and 5 minutes, respectively. Vital signs are within normal limits. Examination shows swelling of bilateral upper and lower extremities and low-set ears. The posterior hair line is low... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is brought to the physician with a 2-day history of fever, chills, malaise, and a sore throat. He has otherwise been healthy and development is normal for his age. He takes no medications. His immunizations are up-to-date. His temperature is 38.4°C (101.4°F), pulse is 84/min, respirations... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old obese woman presents to the office complaining of intermittent chest pain for the past 3 days. She states that the pain worsens when she lays down and after she eats her meals. She thinks that she has experienced similar pain before but does not remember it lasting this long. She also compla... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man presents with palpitations, 2 episodes of vomiting, and difficulty breathing for the past hour. He says he consumed multiple shots of vodka at a party 3 hours ago but denies any recent drug use. The patient denies any similar symptoms in the past. Past medical history is significant for ... | A |
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 multiple episodes of staring and facial grimacing that have occurred over the past 3 weeks. There are no precipitating factors for these episodes and they last for several minutes. She does not respond to her family members during thes... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old man with a history of alcoholism presents to the emergency department with nausea, vomiting, and right upper quadrant pain. Serum studies show AST and ALT levels >5000 U/L. A suicide note is found in the patient's pocket. The most appropriate initial treatment for this patient has which of t... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old African American male presents to his primary care physician complaining of difficulty swallowing that was initially limited to solids but has now progressed to liquids. Biopsy of the esophagus reveals dysplastic cells, but does not show evidence of glands or increased mucin. Which of the fo... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is being evaluated in pediatric cardiology clinic. He appears grossly normal, but suddenly becomes tachypneic and cyanotic when his mom takes a toy away from him. These symptoms resolve somewhat when he drops into a squatting position. Transthoracic echocardiography reveals pulmonic steno... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old man presents to his primary care provider at an outpatient clinic for ongoing management of his chronic hypertension. His past medical history is significant for diabetes and osteoarthritis though neither are currently being treated with medication. At this visit, his blood pressure is found... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old boy presents to the emergency room with severe right shoulder pain following a painful overhead swing during a competitive volleyball match. On physical examination, the patient has limited active range of motion of the right shoulder and significant pain with passive motion. Suspecting a ro... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A rheumatologist is interested in studying the association between osteoporosis and the risk of sustaining a distal radius fracture. To explore this association, she develops a retrospective study design in which she identifies patients in a large institutional database over the age of 55 with and without... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old female with no significant past medical history presents to her primary care physician with several weeks of increased fatigue and decreased exercise tolerance. On physical exam, her skin and conjunctiva appear pale. The physician suspects some form of anemia and orders a complete blood pane... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man comes to his primary care physician with a 3-month history of insomnia and severe work anxiety. He says that he is unable to retire because he has no financial resources; however, the stress level at his work has been causing him to have worsening performance and he is afraid of being fi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old woman presents to a physician for a regular check-up. She has no complaints, but notes that she has been anxious and easily irritable for no particular reason over the past year. Six months ago, she was diagnosed with grade I arterial hypertension and prescribed lifestyle modification and we... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old woman presents to her primary care physician with complaints of mild shortness of breath and right-sided chest pain for three days. She reports that lately she has had a nagging nonproductive cough and low-grade fevers. On examination, her vital signs are: temperature 99.1 deg F (37.3 deg C)... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old GP10 woman at 24 weeks estimated gestational age presents for follow-up. Six weeks ago, a complete blood count showed a microcytic hypochromic anemia for which she was prescribed iron sulfate tablets. A repeat complete blood count today shows no improvement in her hemoglobin level. Past medi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old boy is brought to the physician because of a sore throat, nonproductive cough, and bloody urine for 3 days. He has had 2 similar episodes involving a sore throat and bloody urine over the past year. His sister has systemic lupus erythematosus. His temperature is 38.1°C (100.6°F). Serum studi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old woman comes to the emergency department because of decreased appetite, nausea, vomiting, and episodic abdominal pain for the past two months. The pain is sharp, colicky, and lasts about an hour after meals. Her stools are light in appearance and difficult to flush. Physical examination shows... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Laboratory studies, including serum vitamin B12 (cyanocobalamin), thyroxine (T4), and thyroid-stimulating hormone concentrations, are within normal limits. A lumbar puncture is performed. Cerebrospinal fluid (CSF) analysis is most likely to show which of the following? ---- <<Choices:>> A) Antiganglioside... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old woman presents to her primary care provider to discuss the results from a previous urine analysis. She has no new complaints and feels well. Past medical history is significant for systemic lupus erythematosus. She was diagnosed 5 years ago and takes hydroxychloroquine every day and predniso... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-year-old boy is brought to a pediatric clinic by his parents with pain and weakness in the lower extremities for the past 3 weeks. The patient’s mother says that he has been active until the weakness and pain started during his soccer practice sessions. He says he also experiences muscle cramps, espe... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man with alcoholic cirrhosis is admitted to the hospital for routine evaluation before liver transplantation. The physician asks the patient to stop eating 10 hours before surgery. Which of the following structures contributes directly to preventing fasting hypoglycemia by producing glucose ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A crying 4-year-old child is brought to the emergency department with a red, swollen knee. He was in his usual state of health until yesterday, when he sustained a fall in the sandbox at the local park. His mother saw it happen; she says he was walking through the sandbox, fell gently onto his right knee,... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old male with a history of HIV infection is found to have a CD4+ T lymphocyte count of 68 cells per microliter. As a consequence of his HIV infection, this patient is at increased risk of malignancy due to which of the following? ---- <<Choices:>> A) Pneumocystis jiroveci B) HHV-6 C) Helicobacte... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 75-year-old woman presents with sudden loss of vision. She says that she was reading when suddenly she was not able to see the print on half of the page. Her symptoms started 4 hours ago and are accompanied by a severe posterior headache. Vital signs reveal the following: blood pressure 119/76 mm Hg, pu... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man is brought to the emergency department 30 minutes after being shot in the abdomen during a violent altercation. His temperature is 36.5°C (97.7°F), pulse is 118/min and regular, and blood pressure is 88/65 mm Hg. Examination shows cool extremities. Abdominal examination shows a 2.5-cm en... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old patient presents to clinic for pulmonary function testing. With body plethysmography, the patient's functional residual capacity is 3 L, tidal volume is 650 mL, expiratory reserve volume is 1.5 L, total lung capacity is 8 L, and dead space is 150 mL. Respiratory rate is 15 breaths per minute... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old man comes to the physician because of intermittent retrosternal chest pain. Physical examination shows no abnormalities. Endoscopy shows salmon pink mucosa extending 5 cm proximal to the gastroesophageal junction. Biopsy specimens from the distal esophagus show nonciliated columnar epitheliu... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman comes to the physician because of vaginal discharge for 3 days. She has been sexually active with three male partners over the past year and uses condoms inconsistently. Her only medication is an oral contraceptive. Physical exam shows thin grayish-white vaginal discharge. There is no ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old woman comes to the physician for a follow-up examination after a colonoscopy showed 42 hamartomatous polyps. The physical examination findings are shown in the photograph. Which of the following conditions is most likely to develop in this patient? ---- <<Choices:>> A) Medulloblastoma B) Pan... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man who recently immigrated from South America schedules an appointment with a physician to complete his pre-employment health clearance form. According to company policy, a skin test for tuberculosis must be administered to all new employees. Thus, he received an intradermal injection of pu... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old girl is rushed to the emergency department by her parents following ingestion of unknown pills from an unmarked bottle she found at the park. The parents are not sure how many pills she ingested but say the child has been short of breath since then. Her respiratory rate is 50/min and pulse is... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying the genotypes of wingless fruit flies using full exome sequencing. Compared to wild-type winged fruit flies, the wingless fruit flies are found to have a point mutation in the gene encoding wing bud formation during embryogenesis. The point mutation in the gene causes the mRNA ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old girl is brought to the physician because of a 1-month history of worsening fatigue, loss of appetite, and decreased energy. More recently, she has also had intermittent abdominal pain and nausea. She is at the 50th percentile for height and 15th percentile for weight. Her pulse is 119/min and... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman comes to the physician because of an 8-hour history of painful leg cramping, a runny nose, and chills. She has also had diarrhea and abdominal pain. She appears irritable and yawns frequently. Her pulse is 115/min. Examination shows cool, damp skin with piloerection. The pupils are 7 m... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 17-year-old boy is brought to the emergency department because of fever, nausea, and myalgia for the past day. His temperature is 39.5°C (103.1°F), pulse is 112/min, and blood pressure is 77/55 mm Hg. Physical examination shows scattered petechiae over the anterior chest and abdomen. ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old woman presents to the emergency department with ongoing dyspnea and confusion for 2 hours. She has a history of psychosis and alcohol abuse. She has smoked 1 pack per day for 25 years. She is agitated and confused. Her blood pressure is 165/95 mm Hg; pulse 110/min; respirations 35/min; and t... | C |
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