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Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old man seeks evaluation at an urgent care clinic with a complaint of palpitations for the past few hours. He denies any chest pain, shortness of breath, or sweating. He is anxious and appears worried. His medical history is unremarkable with the exception of mild bronchial asthma. He only uses ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old female college student is brought back into the university clinic for acting uncharacteristically. The patient presented to the same clinic 6 weeks ago with complaints of depressed mood, insomnia, and weightloss. She had been feeling guilty for wasting her parent’s money by doing so poorly a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old boy has been suspended 5 times this year for arguing with teachers. He has presented a pattern of negativism and hostility that has lasted for about 8 months. When asked about the suspensions, he admits that he loses his temper easily and often blames the principal for not being fair to him.... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman patient presents to her family physician with recurrent retrosternal chest pain. She has had similar episodes for the past 7 months along with difficulty swallowing solid as well as liquid food. She recently completed an 8-week course of a proton pump inhibitor, but she is still bother... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old sexually active woman presents with dysuria and urinary frequency. She denies any previous urinary tract infections (UTIs), but she says that her mother has had frequent UTIs. Her medical history includes type 2 diabetes mellitus, hypertension, cervical cancer, and hypercholesterolemia. She ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old woman with a history of nephrolithiasis presents with fever and acute-onset right flank pain. The patient says that 2 days ago she developed sudden-onset right flank pain and nausea which has progressively worsened. She describes the pain as severe, colicky, localized to the right flank, and... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is developing a new vaccine. After injecting the agent, the immune response is recorded by measuring vaccine-specific antibodies at subsequent timed intervals. To induce the maximum immunogenic response, this vaccine should have which of the following properties? ---- <<Choices:>> A) Forei... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old woman with a seizure disorder comes to the physician because of fever, fatigue, and a productive cough with foul-smelling sputum for 2 weeks. Her temperature is 38.3°C (100.9°F). Physical examination shows dullness to percussion over the right lung fields. An x-ray of the chest shows a cavit... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man presents to the clinic for his annual health check-up. He currently complains of fatigue for the past few months. He has no significant past medical history. He admits to being sexually active with men and also is an intravenous drug user. He has never received a hepatitis B vaccine. His... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old construction worker presents to his primary care physician with a painful and swollen wrist joint. A joint aspiration shows crystals, which are shown in the accompanying picture. Which of the following is the most likely diagnosis? ---- <<Choices:>> A) Monosodium urate crystals B) Hydroxyapa... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man presents with epigastric pain over the last 6 months. He says the pain gets worse with food, especially coffee. He also complains of excessive belching. He says he has tried omeprazole recently, but it has not helped. No significant past medical history or current medications. On physica... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man comes to the emergency room with difficulty in breathing. He was diagnosed with severe obstructive lung disease a few years back. He uses his medication but often has to come to the emergency room for intravenous therapy to help him breathe. He was a smoker for 40 years smoking two packs... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old African American male presents to the emergency room complaining of nausea and right flank pain. He reports that these symptoms have worsened over the past two days. His past medical history is notable for congestive heart failure, hypertension, hyperlipidemia, and diabetes mellitus. He curr... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old woman comes to the physician because of a 1-week history of shortness of breath and dry cough. Eight weeks ago, she received a lung transplant from an unrelated donor. Current medications include prednisone, cyclosporine, and azathioprine. Her temperature is 37.8°C (100.1°F). Physical examin... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is developing a new intravenous medication that acts as a selective agonist at β-2 receptors. In addition to causing bronchodilation, this drug is most likely to have which of the following effects? ---- <<Choices:>> A) Decreased skeletal glycogenolysis B) Increased gastrointestinal perist... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old female with a history of systemic lupus erythematous (SLE) has a 3-year history of daily prednisone (20 mg) use. Due to long-term prednisone use, she is at increased risk for which of the following? ---- <<Choices:>> A) Weight loss B) Pancreatic insufficiency C) Systolic hypertension D) Path... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old girl comes to the physician for an annual health maintenance examination. She feels well. She has no history of serious illness and her only medication is an oral contraceptive. Her mother was diagnosed with breast cancer at the age of 42 years. She is currently sexually active with 1 male p... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 74-year-old man presents to the emergency department with sudden-onset abdominal pain that is most painful around the umbilicus. The pain began 16 hours ago and has no association with meals. He has not been vomiting, but he has had several episodes of bloody loose bowel movements. He was hospitalized 1... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 24-year-old male is brought to the emergency department because of fevers, congestion, and chest pain for 3 days. The chest pain is exacerbated by deep inspiration. He takes no medications. His temperature is 37.5°C (99.5°F), blood pressure is 118/75 mm Hg, pulse is 130/min, and respi... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old man comes to the physician because of chest pain and shortness of breath for 3 days. The pain is present at rest and worsens with deep inspiration. His temperature is 37.2°C (99°F), pulse is 102/min, respirations are 23/min, and blood pressure is 135/88 mm Hg. Examination shows decreased bre... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A concerned father brings his 2 year-old son to the clinic for evaluation. In the past 24 hours, the child has had multiple episodes of painless bloody stools. On physical examination, the child's vital signs are within normal limits. There is mild generalized discomfort on palpation of the abdomen but no... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 5-year-old boy is brought to the emergency department because of abdominal pain and vomiting for 6 hours. His mother immediately brought him after noticing that he had gotten into the medicine cabinet. The mother is 5 months' pregnant. He appears uncomfortable. His temperature is 37.2... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man is brought to the emergency department by a social worker from the homeless shelter. The man was acting strangely and then found unresponsive in his room. The social worker says she noticed many empty pill bottles near his bed. The patient has a past medical history of multiple hospital ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 75-year-old man presents to the physician because of bloody urine, which has occurred several times over the past month. He has no dysuria, flank pain, nausea, or vomiting. He has no history of serious illness and takes no medications. He is a 40-pack-year smoker. The vital signs are within normal limit... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman with a past medical history significant for cardiac palpitations and hypothyroidism presents with cyclical lower abdominal pain and pelvic pain. Upon further questioning, she endorses difficulty conceiving over the last 12 months. On a review of systems, she endorses occasional pain wi... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-year-old girl is brought to the neurologist for management of recently diagnosed seizures. Based on her clinical presentation, the neurologist decides to start a medication that works by blocking thalamic T-type calcium channels. Her parents are cautioned that the medication has a number of side effe... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A scientist performed an experiment to produce hybrid viruses by mixing two different serotypes of influenza virus, H1N1 and H2N2, in a respiratory epithelium cell line. Several days later, the scientist collected the media and analyzed the viral progeny. She found the following serotypes of virus: H1N1, ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old woman comes to the physician because of a 3-month history of progressive weakness. She has no history of serious illness and takes no medications. Her vital signs are within normal limits. Physical examination shows a violaceous rash over her eyelids and flat-topped erythematous papules over... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man comes to the physician because of a 5-month history of progressive lethargy, shortness of breath, and difficulty concentrating. His friends have told him that he appears pale. He has smoked half a pack of cigarettes daily for the past 20 years. Neurological examination shows reduced sens... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old man comes to the physician for the evaluation of an 8-week history of blood in his stool. Two months ago, he had an episode of bronchitis and was treated with amoxicillin. Since then, he has noticed blood in his stool and on the toilet paper occasionally. The patient has had intermittent con... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An overweight 57-year-old woman comes to her primary care physician for a routine checkup. She has no current complaints and takes no medications. Her mother and brother have type 2 diabetes mellitus and hypertension. Vital signs show a blood pressure of 145/95 mmHg, temperature of 37°C (98.6°F), and a pu... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man comes to the physician because of a 4-month history of unintentional weight gain, fatigue, and decreased sexual desire. There is no personal or family history of serious illness. His blood pressure is 149/88 mm Hg. Physical examination shows central obesity and abdominal striae. He has a... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old woman comes to the physician because of worsening shortness of breath for the past two weeks. Physical examination shows decreased breath sounds at both lung bases. The abdomen is distended and there is shifting dullness with a positive fluid wave. Ultrasound of the abdomen shows a large col... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old woman presents to her primary care physician because she has been experiencing intermittent abdominal pain for the last 2 weeks. She says that the pain is squeezing in nature, is located in the right upper quadrant, and is particularly severe after eating a meal. After a diagnosis is made, t... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 41-year-old man comes to the physician because of a 7-month history of sleep disturbances, restlessness, and difficulty acquiring erections. He started a new job as a project coordinator 8 months ago. He has difficulty falling asleep and lies awake worrying about his family, next day's meetings, and fin... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A new study shows a significant association between patients with a BMI >40 and a diagnosis of diabetes (odds ratio: 7.37; 95% CI 6.39-8.50) compared to non-diabetic patients. Which of the following hypothetical studies most likely yielded these results. ---- <<Choices:>> A) A study consisting of 500 pati... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 14-year-old girl is brought to the physician because of a 1-week history of fever, malaise, and chest pain. She describes the pain as 6 out of 10 in intensity and that it is more severe if she takes a deep breath. The pain is centrally located in the chest and does not radiate. Three weeks ago, she had ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old woman presents to her primary care physician for a wellness checkup. She recently had a DEXA scan that placed her at 2 standard deviations below the mean for bone density. She is following up today to discuss her results. The patient has a past medical history of asthma, breast cancer, COPD,... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man with a history notable for alpha-thalassemia now presents to an urgent care clinic with complaints of increased thirst and urinary frequency. The physical exam is unremarkable, although there is a bronze discoloration of his skin. The laboratory analysis reveals a fasting blood glucose o... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old woman presents with convulsions. The patient’s brother says that he found her like that an hour ago and immediately called an ambulance. He also says that she has been extremely distraught and receiving supportive care from a social worker following a sexual assault by a coworker a few days ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old man comes to the physician because of difficulty walking for 2 months. He has been falling to his left side when he walks more than a few feet. His speech has also changed in the past few months, and he now pauses between each syllable. He has never had similar symptoms before. He has hypert... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man comes to the physician with a 1-week history of sharp, substernal chest pain that is worse with inspiration and relieved with leaning forward. He has also had nausea and myalgias. His father has coronary artery disease. His temperature is 37.3°C (99.1°F), pulse is 110/min, and blood pres... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 73-year-old man presents to a dermatology clinic after his family physician finds an ulcerated plaque on the dorsal surface of his nose. This lesion has changed in size and form and has bled on multiple occasions even after the patient adopted sun-protection measures. The patient’s medical history is re... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old woman presents to your office after three days of fever and productive cough. She is taking Tylenol for her fever and her last dose was yesterday morning. She reports reddish brown sputum. She has a history of hypertension and hypercholesterolemia for which she takes lisinopril and a statin.... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old woman presents for a follow-up. She took some blood tests recently for her yearly physical, and her random blood sugar level was found to be 251 mg/dL. She was asked to repeat her blood sugar and come back with the new reports. At that time, her fasting blood sugar level was 130 mg/dL and th... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> You are conducting a study on hypertension for which you have recruited 60 African-American adults. If the biostatistician for your study informs you that the sample population of your study is approximately normal, the mean systolic blood pressure is 140 mmHg, and the standard deviation is 7 mmHg, how ma... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old male is brought to the emergency room after he was found to have a blood pressure of 180/100 mm Hg during a routine health check-up with his family physician. Past medical history is insignificant and both of his parents are healthy. He currently does not take any medication. The patient’s b... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man presents to his primary care physician for a wellness checkup. He states that he feels fatigued at times but feels near his baseline. The patient smokes 1 pack of cigarettes per day, drinks alcohol occasionally, and has a past medical history of poorly controlled diabetes. His temperatur... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old woman comes to the physician because of an 8-month history of progressive fatigue, shortness of breath, and palpitations. She has a history of recurrent episodes of joint pain and fever during childhood. She emigrated from India with her parents when she was 10 years old. Cardiac examination... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-week-old male infant is rushed to the emergency department due to severe vomiting and lethargy for the past 3 days. His mother describes the vomiting as forceful and projectile and contains undigested breast milk, but she did not notice any green fluids. He has not gained much weight in the past 3 wee... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> Thirty minutes after delivery, a 3400-g (7.5-lb) female newborn develops cyanosis of her lips and oral mucosa. She was born at 36 weeks of gestation to a 30-year-old woman, gravida 1, para 0. Apgar scores are 7 and 8 at 1 and 5 minutes, respectively. Pregnancy was complicated by polyhydramnios. The patien... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> Following a gastric surgery, a 45-year-old woman complains of severe nausea and vomiting on the second post-operative day. On physical examination, her vitals are stable and examination of the abdomen reveals no significant abnormality. As she is already receiving an appropriate dosage of ondansetron, the... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old boy presents to the emergency department with difficulty breathing, which began 1 hour ago. He has had persistent bronchial asthma since 3 years of age and has been prescribed inhaled fluticasone (400 μg/day) by his pediatrician. He has not taken the preventer inhaler for the last 2 weeks an... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> Six days after being admitted to the hospital for a cholecystectomy, a 56-year-old woman has high-grade fevers, chills, malaise, and generalized weakness. She has been hospitalized twice in the last year for acute cholecystitis. She had a molar extraction around 2 weeks ago. Her last colonoscopy was 8 mon... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old right-handed boy is brought to the emergency department because of difficulty speaking and inability to raise his right arm. The patient’s mother says his symptoms started suddenly 1 hour ago and have not improved. She says he has never had these symptoms before. No other significant past med... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old woman comes to the physician because of progressive headache and fatigue for the past 2 months. One year ago, she was diagnosed with Cushing disease, which was ultimately treated with bilateral adrenalectomy. Current medications are hydrocortisone and fludrocortisone. Examination shows gener... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old woman presents to her family doctor worried that she might have a heart condition. For the past 7 months, she has been having short panic attacks where she feels short of breath, sweaty, and feels like her heart wants to jump out her chest. During these attacks, she feels like she ‘is going ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old woman comes to the emergency department because of a mild headache, dizziness, fatigue, and nausea over the past several hours. She has no history of serious illness and takes no medications. She lives in a basement apartment and uses a wood stove for heating. Her temperature is 36°C (96.8°F... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old woman with a history of anorexia nervosa diagnosed 2 years ago presents for follow up. She says that, although she feels some improvement with cognitive-behavioral therapy (CBT), she is still struggling with her body image and fears gaining weight. She says that for the past 3 weeks she has ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man with a long-standing history of chronic obstructive pulmonary disease (COPD) presents to the clinic for progressive shortness of breath. The patient reports generalized fatigue, distress, and difficulty breathing that is exacerbated with exertion. Physical examination demonstrates clubbi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old woman, gravida 4, para 0, at 8 weeks' gestation comes to the physician for a prenatal visit. The previous pregnancies ended in spontaneous abortion between the 8th and 10th week of gestation. She feels well but is worried about having another miscarriage. She has no history of serious illnes... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old Caucasian woman presents to her primary care physician’s office with a chief complaint of excessive facial and arm hair. On further questioning, she reveals that in the past year, she has often gone more than 3 months without menstruating. On exam she is well-appearing; her temperature is 98... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old man is brought to the emergency department 20 minutes after sustaining a gunshot wound to the abdomen. On arrival, he is awake and oriented to person, place, and time. He appears agitated. His pulse is 102/min, respirations are 20/min, and blood pressure is 115/70 mm Hg. The pupils are equal... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old woman presents with fatigue. She says that her symptoms have gradually onset after she recently had a total thyroidectomy due to Graves’ disease. Past medical history is otherwise unremarkable. The patient is afebrile, and her vital signs are within normal limits. Physical examination is unr... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old female presents to her gynecologist for a check-up. She has had normal Pap smears as recommended every 3 years since she turned 30 years old. The physician conducts a pelvic examination that is without abnormality and obtains a cervical Pap smear. The results of the patient's Pap smear from ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 88-year-old man is brought to his primary care physician by his son. The patient has been in excellent health his entire life, but in the last few years appears to have grown steadily confused. He frequently calls his son about things that they have already discussed, forgets where he has placed his ke... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old woman presents to the family medicine clinic to be evaluated by her physician for weight gain. She reports feeling fatigued most of the day despite eating a healthy diet and exercising regularly. The patient smokes a half-pack of cigarettes daily and has done so for the last 23 years. She is... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 75-year-old man comes to the physician because of a 4-month history of progressive shortness of breath and chest pressure with exertion. Cardiac examination shows a crescendo-decrescendo systolic murmur that is heard best in the second right intercostal space. Radial pulses are decreased and delayed bil... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A newborn male born prematurely at 33 weeks is noted to have mild dyspnea and difficulty with feeding. Examination reveals bounding peripheral radial pulses and a continuous 'machine-like' murmur. The patient is subsequently started on indomethacin. Which of the following is the embryologic origin of the ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> An 18-year-old female visits your obstetrics clinic for her first prenatal check up. It's her first month of pregnancy and other than morning sickness, she is feeling well. Upon inquiring about her past medical history, the patient admits that she used to be very fearful of weight gain and often used laxa... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old boy presents to the pediatrician's office for a well child checkup. He does not speak during the visit and will not make eye contact. The father explains that the child has always been shy with strangers. However, the child speaks a lot at home and with friends. He can speak in 4 word sentenc... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 61-year-old man with Alzheimer disease is brought to the emergency department 20 minutes after ingesting an unknown amount of his medications in a suicide attempt. He reports abdominal cramps, diarrhea, diaphoresis, and muscular weakness and spasms in his extremities. His temperature is 38.4°C (101.1°F)... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old woman comes to the physician because of a 3-day history of diarrhea and abdominal pain. She returned from a trip to Egypt 4 weeks ago. Her vital signs are within normal limits. There is mild tenderness in the right lower quadrant. Stool studies show occult blood and unicellular organisms wit... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old woman is brought to the emergency department after being involved in a motor vehicle collision. She is alert, awake, and oriented. There is no family history of serious illness and her only medication is an oral contraceptive. Her temperature is 37.3°C (99°F), pulse is 100/min, respirations ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> Two hours after a 2280-g male newborn is born at 38 weeks' gestation to a 22-year-old primigravid woman, he has 2 episodes of vomiting and jitteriness. The mother has noticed that the baby is not feeding adequately. She received adequate prenatal care and admits to smoking one pack of cigarettes daily whi... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 20-year-old man comes to the physician because of dark urine and decreased urine output for 2 days. He had a skin infection that required antibiotic treatment 3 weeks ago but stopped the antibiotics early because the infection had resolved. His blood pressure is 140/90 mm Hg. Physical examination shows ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy with a history of fetal alcohol syndrome is brought by his mother to the emergency room for malaise and lethargy. His mother reports that the family was on vacation in a cabin in the mountains for the past 10 days. Five days ago, the child developed a fever with a max temperature of 102.6... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old woman presents to the ED with a diffuse, erythematous rash in the setting of nausea, vomiting, and fever for 2 days. Physical exam reveals a soaked tampon in her vagina. Blood cultures are negative. The likely cause of this patient's disease binds to which molecule on T cells? ---- <<Choices... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old woman comes to the physician because of pain and swelling of her left foot. Three days ago, she cut her foot on an exposed rock at the beach. Her temperature is 37.7°C (100°F). Examination of the left foot shows edema around a fluctuant erythematous lesion on the lateral foot. Which of the f... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old woman with a history of atrial arrhythmia arrives in the emergency department with complaints of tinnitus, headache, visual disturbances, and severe diarrhea. The patient is given oxygen by nasal cannula. ECG leads, pulse oximeter and an automated blood pressure cuff are applied. The patient... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old soldier is rescued from a helicopter crash in the Arctic Circle and brought back to a treatment facility at a nearby military base. On arrival, the patient's wet clothes are removed. He appears pale and is not shivering. He is unresponsive to verbal and painful stimuli. His temperature is 27... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old woman comes to the physician for the evaluation of right knee pain for 1 week. The pain began after the patient twisted her knee during basketball practice. At the time of the injury, she felt a popping sensation and her knee became swollen over the next few hours. The pain is exacerbated by... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old man living in a remote tropical village presents with a swollen left leg and scrotum (see image). He says that his symptoms started more than 2 years ago with several small swollen areas near his groin and have gradually and progressively worsened. He has also noticed that over time, there h... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old female is found to have an inherited deficiency of alpha-galactosidase A. Skin biopsy shows accumulation of ceramide trihexose in the tissue. Which of the following abnormalities would be expected in this patient? ---- <<Choices:>> A) Cherry red spots on macula B) Histiocytes with a wrinkled... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old woman presents to your office with 4 days of fever, sore throat, generalized aching, arthralgias, and tender nodules on both of her shins that arose in the last 48 hours. Her medical history is negative for disease and she does not take oral contraceptives or any other medication regularly. ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 66-year-old man is brought to the emergency department because of weakness of his left leg for the past 30 minutes. His pants are soaked with urine. He has hypertension and atrial fibrillation. His temperature is 37°C (98.6°F), pulse is 98/min, and blood pressure is 160/90 mm Hg. Examination shows equal... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old male presents to his primary care physician after an injury during a rugby game. The patient states that he was tackled and ever since then has had pain in his knee. The patient has tried NSAIDs and ice to no avail. The patient has no past medical history and is currently taking a multivitam... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 80-year-old woman is brought to the emergency department due to the gradual worsening of confusion and lethargy for the past 5 days. Her son reports that she had recovered from a severe stomach bug with vomiting and diarrhea 3 days ago without seeing a physician or going to the hospital. The patient’s ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 73-year-old man presents to the emergency department complaining of abdominal pain with nausea and vomiting, stating that he “can’t keep anything down”. He states that the pain has been gradually getting worse over the past 2 months, saying that, at first, it was present only an hour after he ate but no... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 20-year-old college student has elevated stress levels due to her rigorous academic schedule, social commitments, and family pressures. She complains of never having enough time for all her responsibilities. Which of the following hormones acts by intracellular receptors to exert the physiologic effects... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 61-year-old female is referred to an oncologist for evaluation of a breast lump that she noticed two weeks ago while doing a breast self-examination. Her past medical history is notable for essential hypertension and major depressive disorder for which she takes lisinopril and escitalopram, respectively... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old woman presents with frequent headaches for the past few months. She says the pain starts randomly and is unrelated to any stimulus. She also says that has difficulty falling asleep and has had problems concentrating at work for several months. While she occasionally thinks about committing s... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A new real time-PCR test for the hepatitis C virus is approved for medical use. The manufacturer sets the threshold number of DNA copies required to achieve a positive result such that the sensitivity is 98% and the specificity is 80%. The tested population has a hepatitis C prevalence of 0.7%. Which of t... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4080-g (9-lb) male newborn is delivered at term to a 32-year-old woman, gravida 2, para 1. Apgar scores are 8 and 9 at 1- and 5-minutes, respectively. Examination in the delivery room shows both feet pointing downwards and inwards. Both the forefeet are twisted medially in adduction, with the hindfeet e... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4390-g (9-lb 11-oz) male newborn is delivered at term to a 28-year-old primigravid woman. Pregnancy was complicated by gestational diabetes mellitus. Labor was prolonged by the impaction of the fetal shoulder and required hyperabduction of the left upper extremity. Apgar scores were 7 and 8 at 1 and 5 m... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old girl presents to the emergency department after persistent vomiting and complaints that her abdomen hurts. Her parents came home to their daughter like this while she was at home being watched by the babysitter. The child is otherwise healthy. Family history is notable for depression, suicide... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old woman comes to the physician because of a 4-month history of fatigue, worsening swelling of her ankles, and a 5-kg (11-lb) weight gain. Neurologic examination shows diminished two-point discrimination in her fingers. Laboratory studies show a hemoglobin A1c concentration of 9.2% and a creati... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 11-year-old male with light purple eyes presents with gradual loss of bilateral visual acuity. Over the past several years, vision has worsened from 20/20 to 20/100 in both eyes. He also has mild nystagmus when focusing on objects such as when he is trying to do his homework. He is diagnosed with a dis... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 75-year-old man comes to his primary care physician because he has been having diarrhea and difficulty breathing. The diarrhea has been intermittent with frequent watery stools that occur along with abdominal cramps. Furthermore, the skin on his face and upper chest feels hot and changes color in episod... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 8-year-old boy is brought to the physician by his foster mother because of complaints from his teachers regarding poor performance at school for the past 8 months. He does not listen to their instructions, often talks during class, and rarely completes his school assignments. He does not sit in his sea... | C |
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