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Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man comes to the physician for a follow-up examination. Paroxetine therapy was initiated 6 weeks ago for a major depressive episode. He now feels much better and says he is delighted with his newfound energy. He gets around 8 hours of sleep nightly. His appetite has increased. Last year, he ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old girl comes to the physician because of a 2-year history of irregular menstrual bleeding. Menses have occurred at irregular 45- to 60-day intervals since menarche at the age of 13 years. Her last menstrual period was 5 weeks ago and lasted for 7 days with heavy flow and no cramping. She is no... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is brought by his parents to his pediatrician due to progressive fatigue and shortness of breath while playing sports. He is otherwise healthy with no known medical disorders and no other symptoms. The boy was born at 39 weeks gestation via spontaneous vaginal delivery. He is up to date o... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 17-year-old boy is brought to the emergency department by his mother for further evaluation after elective removal of his wisdom teeth. During the procedure, the patient had persistent bleeding from the teeth's surrounding gums. Multiple gauze packs were applied with minimal effect. T... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old man with a history of diabetes mellitus presents to his primary care physician with lethargy, joint pain, and impotence. Lab evaluation is notable for a ferritin of 1400 ug/L (nl <300 ug/L), increased total iron, increased transferrin saturation, and decreased total iron binding capacity. Al... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man is brought to the clinic by his daughter who has noticed behavioral changes and frequent headaches for the past 2 weeks. The patient’s daughter says he has been having memory and simple calculation issues, gets upset easily, and his grip strength has dramatically declined. The patient wa... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old woman, gravida 1, para 0, at 40 weeks' gestation is admitted to the hospital in active labor. Pregnancy was complicated by iron deficiency anemia treated with iron supplements. At the beginning of the first stage of labor, there are coordinated, regular, rhythmic contractions of high intensi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman, gravida 2, para 1, at 26 weeks gestation comes to the physician for a routine prenatal visit. Physical examination shows a uterus consistent in size with a 26-week gestation. Fetal ultrasonography shows a male fetus with a thick band constricting the right lower arm; the limb distal t... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old man presents to the emergency department due to a rash. He states the rash started last night and is very concerning to him. The patient cannot remember being exposed to any environmental stimuli such as new detergents or poison ivy. The patient recently started following with a primary care... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-year-old boy presents to the pediatrician with complaints of chronic cough for the past two years. The cough is present during the day, especially after returning from school. His school teacher says he does not cough at school. The cough is absent while he is asleep, although it increases during exa... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old woman consults an obstetrician as she is planning to become pregnant. She has been diagnosed with HIV (human immunodeficiency virus) infection recently and is currently taking antiretroviral therapy (HAART), as prescribed by her physician. The obstetrician emphasizes the importance of antena... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-month-old baby is brought to the emergency department because he had a coughing spell while feeding and turned blue. The mother says that the blue color went away when she picked the baby up and brought his knees to his chest. The physician orders a chest X-ray which shows a boot-shaped heart and he t... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old girl is brought to the physician by her mother because she has not had her menstrual period yet. At birth, she was found to have partial labial fusion and clitoromegaly. The mother reports that during the pregnancy she had noticed abnormal hair growth on her chin. The girl has severe acne. T... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-month-old infant is brought to the physician’s office by his parents due to a fever, cough, and shortness of breath. The cough is dry and has been progressively worsening for the past 48 hours along with the shortness of breath. His fever never exceeded 37.8°C (100.0°F) at home. The parents say that h... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old woman comes to the physician because of fever, chills, myalgias, and joint pain 1 month after undergoing aortic prosthetic valve replacement due to high-grade aortic stenosis. She does not drink alcohol or use illicit drugs. Her temperature is 39.3°C (102.8°F). She appears weak and lethargic... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old woman presents to her primary care provider with vision loss. She reports that twice over the last 2 weeks she has had sudden “black out” of the vision in her right eye. She notes that both episodes were painless and self-resolved over approximately a minute. The patient’s past medical histo... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old man presents to his primary care provider with dysphagia. He notes that his symptoms began several weeks ago and have worsened over time. He now has trouble swallowing solids and liquids. He denies any other symptoms. He has no significant past medical history. Travel history reveals a recen... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 61-year-old woman presents for a routine health visit. She complains of generalized fatigue and lethargy on most days of the week for the past 4 months. She has no significant past medical history and is not taking any medications. She denies any history of smoking or recreational drug use but states th... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 41-year-old man with HIV comes to the physician because of rectal bleeding and itching for 2 weeks. During this period, he has also had pain with defecation. Four months ago, he was diagnosed with anogenital warts that were treated with cryotherapy. Over the past year, he has been sexually active with 3... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old child is brought to the emergency department by his parents. The child presents with significant rapid breathing and appears unwell. On examination, his liver size is 1.5 times larger than children of his age, and he has mild pitting edema in his legs. This child is also in the lower weight-a... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A neurophysiologist describes the mechanism of a specific type of synaptic transmission to his students. While illustrating this, he points out that when the action potential reaches the presynaptic terminal of a chemical synapse, the voltage-gated Ca2+ channels open. Ca2+ ions trigger the release of neur... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man with a history of major depressive disorder is brought to the emergency department by his wife because of a sudden onset of restlessness and disorientation that developed 3 hours ago. The patient’s wife says that he suddenly started sweating, having tremors, and mumbling to himself. Yest... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old woman comes to your office because she noticed the growth of unwanted hair on her upper lip, chin, and chest. She has also noticed an increase in blackheads and pimples on her skin. Her female partner has also recently brought to her attention the deepening of her voice, weight gain, and cha... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old female presents to her primary care physician with complaints of headache, fatigue, muscle weakness, and frequent urination. These issues have developed and worsened over the past month. She has no significant prior medical or surgical history other than cholecystitis managed with cholecyste... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old woman comes to the physician because of a 6-month history of difficulty walking, clumsiness of her arms and legs, and slurred speech. Physical examination shows masked facies and a slow, shuffling gait. When her ankles are passively flexed, there is involuntary, jerky resistance. Treatment i... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-month-old boy is brought to the pediatrician for a routine examination. Past medical history is significant for a pyloric myomectomy at 2 months of age after a few episodes of projectile vomiting. He has reached all appropriate developmental milestones. He currently lives with his parents and pet cat... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old woman presents to a local medical shelter while on a mission trip with her church to help rebuild homes after a hurricane. She has been experiencing severe nausea, vomiting, and diarrhea for the last 2 days and was feeling too fatigued to walk this morning. On presentation, her temperature i... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old woman with alpha-1-antitrypsin deficiency undergoes a lung transplant. She tolerates the surgery well, but 3 years later develops inflammation and fibrosis in her terminal bronchioles. Which of the following best describes the pathophysiology of this patient's deterioration? ---- <<Choices:>... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 8-month-old girl is brought to her pediatrician because her mom is concerned that she may have a "lazy eye". She was born prematurely at 33 weeks and was 3 pounds at birth. Her mother also says that there is a history of visual problems that run in the family, which is why she wanted to make sure that h... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old teenage girl was brought to the emergency department by her mom after she collapsed. Her mom reports that she was at a birthday party when all of a sudden she fell. She reported left foot weakness and has been limping ever since. The patient has been healthy and had an uncomplicated birth hi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old woman presents to her family doctor requesting sleeping pills. She is a graduate student and confesses that she is a “worry-a-holic,” which has been getting worse for the last 6 months as the due date for her final paper is approaching. During this time, she feels more on edge, irritable, an... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old woman presents to the emergency department with nausea and vomiting. She denies any recent illnesses, sick contacts, or consumption of foods outside of her usual diet. She reports smoking marijuana at least three times a day. Her temperature is 97.7°F (36.5°C), blood pressure is 90/74 mmHg, ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old male is brought to the emergency department by fire and rescue following a motor vehicle accident in which the patient was an unrestrained driver. The paramedics report that the patient was struck from behind by a drunk driver. He was mentating well at the scene but complained of pain in his... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old Caucasian G1 presents at 35 weeks gestation with mild vaginal bleeding. She reports no abdominal pain or uterine contractions. She received no prenatal care after 20 weeks gestation because she was traveling. Prior to the current pregnancy, she used oral contraception. At 22 years of age she... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old girl is brought to the physician by her father because of a dry cough, nasal congestion, and intermittent wheezing during the past 2 months. Since birth, she has had four upper respiratory tract infections that resolved without treatment and one episode of acute otitis media treated with anti... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man comes to the physician for 1 month of worsening right knee pain. He has not had any trauma other than stubbing his toe 3 days ago at the garage where he works as a mechanic. Examination of the right knee shows swelling and erythema with fluctuance over the inferior patella. There is tend... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old man presents to his primary care physician with a bilateral tremor of the hands. He is a senior in high school and during the year, his grades have plummeted to the point that he is failing. He says his memory is now poor, and he has trouble focusing on tasks. His behavior has changed in the... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old boy presents to the emergency department with a 1 hour history of severe knee pain after he bumped his knee against a door. He has no past medical history though his parents say that he seems to bruise fairly easily. His parents say that they are afraid he may have accidentally taken his gran... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old man comes to the physician for a follow-up examination. He feels well. He has no urinary urgency, increased frequency, dysuria, or gross hematuria. He has a history of recurrent urinary tract infections. His last urinary tract infection was 3 months ago and was treated with ciprofloxacin. Cu... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old man presents with severe fatigue, dyspnea on exertion, and weight loss. He reports a weight loss of 15 kg (33.0 lb) over the past 3 months and feels full almost immediately after starting to eat, often feeling nauseous and occasionally vomiting. Past medical history is not significant. Howev... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old man with a history of alcohol abuse and cirrhosis presents to the emergency department with profuse vomiting. The patient is aggressive, combative, emotionally labile, and has to be chemically restrained. The patient continues to vomit and blood is noted in the vomitus. His temperature is 99... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 74-year-old male is brought to the emergency department 1 hour after he fell from the top of the staircase at home. He reports pain in his neck as well as weakness of his upper extremities. He is alert and immobilized in a cervical collar. He has hypertension treated with hydrochlorthiazide. His pulse i... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year old pregnant woman (gravida 4, para 1) presents at week 11 of pregnancy. Currently, she has no complaints. She had an uncomplicated 1st pregnancy that ended in an uncomplicated vaginal delivery at the age of 28 years. Her male child was born healthy, with normal physical and psychological develo... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old man is brought to the emergency department by the police after he was found in the streets lying unconscious on the ground. Both of his pupils are normal in size and reactive to light. There are no obvious signs of head trauma. The finger prick test shows a blood glucose level of 20 mg/dL. H... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man comes to his primary care physician with a 6-month history of bilateral calf pain. The pain usually occurs after walking his dog a few blocks and is more severe on the right side. He has coronary artery disease, essential hypertension, and type 2 diabetes mellitus. He has smoked two pack... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 25-year-old man comes to the physician because of a 1-week history of fever and fluid release from painful lumps in his right groin. He had an atraumatic ulceration of his penis about 1 month ago that was not painful and resolved on its own within 1 week. He works at an animal shelter... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old man comes to the physician because of numbness and burning sensation of his legs for the past week. He also complains that his stools have been larger and rougher than usual. He has non-Hodgkin lymphoma and is currently receiving chemotherapy with prednisone, vincristine, rituximab, cyclopho... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 76-year-old Japanese man is admitted to the hospital because of a 3-month history of loose stools and worsening peripheral edema. He also reports fatigue, a 10-pound weight loss over the past 6 weeks, and a tingling sensation in his hands and feet over the same time period. Aside from the family dog, he... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-week-old male presents to the pediatrician for vomiting. His parents report that three weeks ago the patient began vomiting after meals. They say that the vomitus appears to be normal stomach contents without streaks of red or green. His parents have already tried repositioning him during mealtimes an... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying nutritional deficiencies in humans. A group of healthy volunteers are started on a diet deficient in pantothenic acid. After 4 weeks, several of the volunteers develop irritability, abdominal cramps, and burning paresthesias of their feet. These symptoms are fully reversed afte... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old man presents to his primary care physician's office for a routine check-up. His past medical history is significant for type 2 diabetes mellitus, hypertension, chronic atrial fibrillation, and ischemic cardiomyopathy. On his last visit three months ago, he was found to have hyperkalemia, at ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old boy comes to the physician because of a 3-month history of pain in his right shoulder. He reports that he has stopped playing for his high school football team because of persistent difficulty lifting his right arm. Physical examination shows impaired active abduction of the right arm from 0... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 72-year-old man is brought to the physician by his son because of gradually progressive yellow discoloration of his skin and generalized pruritus for the past 2 weeks. During this period, his appetite has decreased and he has had a 6.3-kg (14-lb) weight loss. He reports that his stool appears pale and h... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-day-old infant dies of severe respiratory distress following a gestation complicated by persistent oligohydramnios. Upon examination at autopsy, the left kidney is noted to selectively lack cortical and medullary collecting ducts. From which of the following embryological structures do the cortical an... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old child is brought to the emergency department with rapid breathing and a severe cyanotic appearance of his lips, fingers, and toes. He is known to have occasional episodes of mild cyanosis, especially when he is extremely agitated. This is the worst episode of this child’s life, according to h... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 11-year-old boy is brought to a pediatrician by his parents with the complaint of progressive behavioral problems for the last 2 years. His parents report that he always looks restless at home and is never quiet. His school teachers frequently complain that he cannot remain seated for long during class... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old boy with a history of recurrent respiratory infections is brought to the physician for a follow-up examination. His height and weight are both at the 20th percentile. Crackles are heard in both lower lung fields. Cardiac auscultation shows a grade 3/6 holosystolic murmur over the left lower s... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 57-year-old man comes to the emergency department because of acute retrosternal chest pain that radiates to his back. The pain started suddenly while he was having dinner. A few moments prior to the onset of the pain, he experienced discomfort when trying to eat or drink anything. On ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old woman presents with fever, abdominal pain, and bloody bowel movements. She says her symptoms onset 2 days ago and have not improved. She describes the abdominal pain as moderate, cramping in character, and poorly localized. 1 week ago, she says she was on a camping trip with her friends and ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old female presents to her pediatrician due to lack of menstruation. She states that she developed breasts 4 years ago but has not experienced menses yet. The patient denies abdominal pain and has no past medical history. Her mother underwent menarche at age 13. The patient is a volleyball playe... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man comes to the physician because of a 6-month history of progressively worsening urinary frequency. He feels the urge to urinate every hour or two, which restricts his daily activities and interferes with his sleep. He has no fever, hematuria, or burning pain on micturition. He has hyperte... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-year-old boy is brought to the pediatric clinic for evaluation of fever, pain, swelling in the left leg, and limping. Review of systems and history is otherwise unremarkable. The vital signs include: pulse 110/min, temperature 38.1°C (100.6°F), and blood pressure 100/70 mm Hg. On examination, there is... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old homeless woman presents to an urgent care clinic complaining of vaginal bleeding. She also has vague lower right abdominal pain which started a few hours ago and is increasing in intensity. The medical history is significant for chronic hepatitis C infection, and she claims to take a pill fo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old man presents to the primary care clinic in June for post-discharge follow-up. The patient was recently admitted to the hospital after a motor vehicle collision. At that time he arrived at the emergency department unconscious, hypotensive, and tachycardic. Abdominal CT revealed a hemoperitone... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old boy is brought to the emergency department by his mother after cutting his buttock on a piece of broken glass. There is a 5-cm curvilinear laceration over the patient's right buttock. His vital signs are unremarkable. The decision to repair the laceration is made. Which of the following will ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old woman comes to the emergency department because of a 2-day history of worsening upper abdominal pain. She reports nausea and vomiting, and is unable to tolerate oral intake. She appears uncomfortable. Her temperature is 38.1°C (100.6°F), pulse is 92/min, respirations are 18/min, and blood pr... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old woman presents to the office because of tremors for 2 months. She says that her hands have been shaking a lot, especially when she feels stressed. In addition, she has been sweating more than usual and has lost 8 kg (17.6 lb) in the last 2 months. She has a past medical history of vitiligo. ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 14-year-old boy is brought to the emergency department because of acute left-sided chest pain and dyspnea following a motor vehicle accident. His pulse is 122/min and blood pressure is 85/45 mm Hg. Physical examination shows distended neck veins and tracheal displacement to the right side. The left ches... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> Five days after undergoing an open colectomy and temporary colostomy for colon cancer, a 73-year-old man develops severe pain and swelling of the left calf. He was diagnosed with colon cancer 3 months ago. He has hypothyroidism and hypertension. His father died of colon cancer at the age of 68. He does no... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 13-year-old boy is brought to the physician because of a lump beneath his right nipple that he discovered 1 week ago while showering. He has allergic rhinitis treated with cetirizine. He is at the 65th percentile for height and 80th percentile for weight. Examination shows a mildly te... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old female presents with a seven-day history of abdominal pain, and now bloody diarrhea that brings her to her primary care physician. Review of systems is notable for a 12-pound unintentional weight loss and intermittent loose stools. She has a family history notable for a father with CAD and a... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man comes to the physician for a routine health maintenance examination. He feels well but has had several episodes of “finger pallor” over the past 4 months. During these episodes, the 4th finger of his left hand turns white. The color usually returns within 20 minutes, followed by redness ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy presents to your office with facial eczema. He has a history of recurrent infections, including multiple episodes of pneumonia that lasted several weeks and otitis media. Laboratory measurements of serum immunoglobulins show increased IgE and IgA but decreased IgM. Which of the following ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old student arrives to student health for persistent diarrhea. She states that for the past 2 months she has had foul-smelling diarrhea and abdominal cramping. She also reports increased bloating, flatulence, and an unintentional 4 lb weight loss. Prior to 2 months ago, she had never felt these ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 71-year-old man with hypertension comes to the physician for a follow-up examination. Cardiovascular exam shows the point of maximal impulse to be in the mid-axillary line. A transthoracic echocardiogram shows concentric left ventricular hypertrophy with a normal right ventricle. Which of the following ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man comes to the physician because of increased frequency of urination. He also says that he needs to urinate 4 to 5 times nightly and has difficulty initiating a urinary stream. He has had several episodes of acute cystitis treated with ciprofloxacin during the past year. Digital rectal exa... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-year-old boy is brought to a psychologist by his mother because his teachers frequently complain about his behavioral problems at school. The patient’s mother reports that his concerning behavior started at a young age. She says he is disrespectful to family members and to his teachers at school. He a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old woman comes to the physician because of stiffness and pain in multiple joints. She says that the fingers on both of her hands have become increasingly stiff and difficult to move over the past 8 months. She also complains of nails that break easily and look spotty as well as chronic back pai... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old women presents to her primary care physician with sudden episodes of dizziness that resolve in certain positions. On further questioning she describes a false sense of motion with occasional spinning sensation consistent with vertigo. She denies any recent illnesses or hearing loss aside fro... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old girl is brought to the physician by her father because of a 3-day history of sore throat, abdominal pain, nausea, vomiting, and high fever. She has been taking acetaminophen for the fever. Physical examination shows cervical lymphadenopathy, pharyngeal erythema, and a bright red tongue. Exami... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old woman is being evaluated for difficulty with swallowing for the past few months. She explains that she experiences difficulty swallowing solid foods only. Her medical history is relevant for hypothyroidism and migraines. Her current medications include daily levothyroxine and acetaminophen a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> In a lab experiment, a researcher treats early cells of the erythrocyte lineage with a novel compound called Pb82. Pb82 blocks the first step of heme synthesis. However, the experiment is controlled such that the cells otherwise continue to develop into erythrocytes. At the end of the experiment, the cell... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old man presents with upper GI (upper gastrointestinal) bleeding. The patient is known to have a past medical history of peptic ulcer disease and was previously admitted 4 years ago for the same reason. He uses proton-pump inhibitors for his peptic ulcer. Upon admission, the patient is placed on... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A study is conducted to find an association between serum cholesterol and ischemic heart disease. Data is collected, and patients are classified into either the "high cholesterol" or "normal cholesterol" group and also into groups whether or not the patient experiences stable angina. Which type of data an... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man is brought to the emergency department by his wife because of a 1-day history of progressive confusion. He recently lost his job. He has a history of chronic alcoholism and has been drinking 14 beers daily for the past week. Before this time, he drank 6 beers daily. He appears lethargic.... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man presents to his primary care physician for trouble with focus and concentration. The patient states that he has lived at home with his parents his entire life but recently was able to get a job at a local factory. Ever since the patient has started working, he has had trouble focusing at... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is brought to the physician because of a 4-day history of fever, headache, earache, and sore throat that is worse when swallowing. He has not had a runny nose or cough. He had a similar problem 1 year ago for which he was prescribed amoxicillin, but after developing a skin rash and facial... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old male medical student presents into the university clinic concerned about his stool. He has admitted to spending a great deal of time looking back down into the toilet bowl after he has had a bowel movement and even more time later thinking about all the ways his stool is abnormal. A stool sa... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman G1P0 presents at 38 weeks of gestation for a standard prenatal visit. She endorses occasional mild lower back pain but otherwise remains asymptomatic. Her past medical history is significant for HIV for which she is treated with azidothymidine (AZT). Her vital signs and physical exam a... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man comes to the physician because of right knee pain and swelling for 2 days. Four days ago, he tripped at home and landed on his knees. He reports an episode of diarrhea 3 weeks ago that resolved after 4 days without treatment. He has a history of hypertension and hypercholesterolemia, and... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old man comes to the physician for a routine health maintenance examination. He feels well. He has type 1 diabetes mellitus. His only medication is insulin. He immigrated from Nepal 2 weeks ago . He lives in a shelter. He has smoked one pack of cigarettes daily for the past 5 years. He has not r... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old man is brought to the emergency department after losing consciousness upon rising from his chair at work. The patient has had progressive cough, shortness of breath, fever, and chills for 6 days but did not seek medical attention for these symptoms. He appears distressed, flushed, and diapho... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A scientist is studying mechanisms by which cancer drugs work to kill tumor cells. She is working to optimize the function of a drug class in order to reduce toxicity and increase potency for the target. After synthesizing a variety of analogs for the drug class, she tests these new pharmacologic compound... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A pharmaceutical company conducts a randomized clinical trial in an attempt to show that their new anticoagulant drug, Aclotsaban, prevents more thrombotic events following total knee arthroplasty than the current standard of care. However, a significant number of patients are lost to follow-up or fail to... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old woman with a history of alcoholic cirrhosis and recurrent esophageal varices who recently underwent transjugular intrahepatic portosystemic shunt (TIPS) placement is brought to the emergency room by her daughter due to confusion and agitation. Starting this morning, the patient has appeared ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old man comes to the physician because of a 1-week history of weakness in the fingers of his right hand. One week ago, he experienced sudden pain in his right forearm during weight training. He has no history of serious illness. Physical examination shows impaired flexion of the proximal interph... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old homeless man is brought to the emergency department by the police. He was found intoxicated and passed out in a library. The patient has a past medical history of IV drug abuse, diabetes, alcohol abuse, and malnutrition. The patient has been hospitalized previously for multiple episodes of p... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man comes to the emergency department because of sudden onset abdominal pain for 6 hours. On a 10-point scale, he rates the pain as a 8 to 9. The abdominal pain is worst in the right upper quadrant. He has atrial fibrillation and hyperlipidemia. His temperature is 38.7° C (101.7°F), pulse is... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old woman, gravida 2, para 2, comes to the physician with intermenstrual bleeding and heavy menses for the past 4 months. She does not take any medications. Her father died of colon cancer at the age of 42 years. A curettage sample shows dysplastic tall, columnar, cells in the endometrium withou... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman presents with heavy menstrual bleeding between her periods. The patient also complains of experiencing an irregular menstrual cycle, weight loss, bloating, and constipation. She has had 3 uncomplicated pregnancies, all of which ended with normal vaginal deliveries at term. She has neve... | C |
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