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Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old woman with a long-standing history of liver cirrhosis presents to her primary care provider with a complaint of unintended weight loss of 8.2 kg (18.0 lb) within the last month. She has a history of intermittent right upper quadrant pain in her abdomen with decreased appetite for a few years... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 79-year-old man presents to a physician’s office for a routine appointment. He had a myocardial infarction 3 years ago and was started on aspirin, carvedilol, captopril, and high-dose atorvastatin. He denies shortness of breath or cough. He exercises regularly and is on a healthy diet that is good for h... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 69-year-old man comes to the physician because of a 4-month history of progressive fatigue, cough, shortness of breath, and a 6.6-kg (14.5-lb) weight loss. For the past week, he has had blood-tinged sputum. He is a retired demolition foreman. There is dullness to percussion and decreased breath sounds o... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man presents with acute-onset nausea and left flank pain. He says his symptoms suddenly started 10 hours ago and have not improved. He describes the pain as severe, colicky, intermittent, and localized to the left flank. The patient denies any fever, chills, or dysuria. His past medical hist... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old woman is brought to the physician by her parents because they are concerned about her mood. They say that she has “not been herself” since the death of her friend, who was killed 3 weeks ago when the fighter jet he piloted was shot down overseas. She says that since the incident, she feels s... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man is rushed to the emergency department following a motor vehicle accident. After an initial evaluation, he is found to have bilateral femoral fractures. After surgical fixation of his fractures, he suddenly starts to feel nauseated and becomes agitated. Past medical history is significant... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old medical student returns from a volunteer mission trip in Nicaragua with persistent cough and occasional hemoptysis for 3 weeks. A purified protein derivative test revealing a 20 mm wheal and a chest radiograph with hilar lymphadenopathy support a diagnosis of active tuberculosis. The patient... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man presents to the emergency department with a chief complaint of being assaulted on the street. The patient claims that he has been followed by the government for quite some time and that he was assaulted by a government agent but was able to escape. He often hears voices telling him to hi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old Caucasian female with a history of rheumatoid arthritis presents to your clinic with pleuritic chest pain that improves while leaning forward. Which of the following additional findings would you expect to observe in this patient? ---- <<Choices:>> A) Increase in jugular venous pressure on i... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man presents to his primary care physician after a recent illness. For the past 48 hours the patient has experienced constant vomiting and diarrhea with a high fever. He is feeling better today and wants to be seen to ensure he is healthy. The patient has a past medical history of schizophre... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old woman comes to the emergency department because of intermittent abdominal pain and vomiting for 2 days. The abdominal pain is colicky and diffuse. The patient's last bowel movement was 3 days ago. She has had multiple episodes of upper abdominal pain that radiates to her scapulae and vomitin... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 41-year-old woman comes to the physician because of a 1-year history of fatigue, irregular menstrual cycles, and recurrent sinus infections. Examination shows hirsutism and hypopigmented linear striations on the abdomen. Serum studies show hypernatremia, hypokalemia, and metabolic alkalosis. A 24-hour u... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A group of investigators is studying thermoregulatory adaptations of the human body. A subject is seated in a thermally insulated isolation chamber with an internal temperature of 48°C (118°F), a pressure of 1 atmosphere, and a relative humidity of 10%. Which of the following is the primary mechanism of h... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old woman sees you in her office with a complaint of new-onset headaches over the past few weeks. On exam, you find a 2 x 2 cm dark, irregularly shaped, pigmented lesion on her back. She is concerned because her father recently passed away from skin cancer. What tissue type most directly gives r... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old man is brought to the emergency department following a high-speed motor vehicle collision in which he was a restrained passenger. He complains of pelvic pain and involuntary loss of urine, with constant dribbling. Examination shows perineal bruising and there is pain with manual compression ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old woman comes to the physician because of a 4-day history of fever with chills, nausea, myalgias, and malaise. One week ago, she returned from a trip to Rhode Island, where she participated in a month-long program to become an assistant park ranger. Laboratory studies show a leukocyte count of... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old Caucasian woman presents with a three-month history of weight loss, anxiety, and tremors. She recalls frequent heart palpitations and new discomfort while being outside in the heat. Her labs include a TSH level of 0.1 mIU/L. Additionally, the patient’s serum is positive for antibodies that s... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old Caucasian man presents with a one-month history of left flank fullness and pain. The patient has stable angina, which is controlled with medications including atorvastatin, metoprolol, and aspirin. His vital signs are within normal limits. BMI is 32 kg/m2. Clinical examination reveals a 10 x... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> Two hours after undergoing laparoscopic roux-en-Y gastric bypass surgery, a 44-year-old man complains of pain in the site of surgery and nausea. He has vomited twice in the past hour. He has hypertension, type 2 diabetes mellitus, and hypercholesterolemia. Current medications include insulin, atorvastatin... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old man presents with a headache, myalgias, nausea, irritability, and forgetfulness. He developed these symptoms gradually over the past 3 months. He is a motor mechanic, and he changed his place of work 4 months ago. He smokes a half a pack of cigarettes per day. His vaccinations are up to date... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old woman was brought to the emergency department after she experienced dizziness and shortness of breath while walking with her friend. She recently immigrated to the United States and is unable to report her previous medical history. Physical exam reveals pallor underneath her eyelids. Labs ar... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man presents to the office for his annual physical examination. He has no current complaints. Past medical history is unremarkable. He reports a 30-pack-year smoking history but no alcohol or drug use. Review of systems is only remarkable for thicker mucous production that is worse in the mo... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman presents with a 3-month history of intermittent blurred vision and problems walking. The patient states that she often feels “pins and needles” in her legs that cause her problems when she’s walking. The patient is afebrile, and her vital signs are within normal limits. An autoimmune d... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old girl is brought to the physician by her mother for a well-child examination. She is at the 55th percentile for height and the 40th percentile for weight. Vital signs are within normal limits. Physical examination shows no abnormalities. She is able to follow simple commands, such as “close yo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old primigravida presents to her physician’s office at 12 weeks gestation complaining of increased sweating and palpitations for the last week. She does not have edema or dyspnea, and had no pre-existing illnesses. The patient says that the symptoms started a few days after several episodes of v... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 61-year-old man comes to the physician because of a 6-month history of epigastric pain and a 9-kg (20-lb) weight loss. He feels full and bloated even after eating small portions of food. His hemoglobin concentration is 9.5 g/dL with a mean corpuscular volume of 78 μm3. Test of the stool for occult blood... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man comes to the physician because of a growth on his penis that has been gradually increasing in size over the last year. He was diagnosed with HIV 10 years ago. He has been divorced for 25 years and has had “at least 30 sexual partners” since. Physical examination shows a nontender 2.5-cm ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old G2P0A1 woman presents at 36 weeks of gestation for the first time during her pregnancy. The patient has no complaints, currently. However, her past medical history reveals seizure disorder, which is under control with valproic acid and lithium. She has not seen her neurologist during the pas... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old woman comes to the physician for a follow-up visit after she had a PET scan that showed a nodule on the thyroid gland. She has no difficulty or pain while swallowing. She was treated for non-Hodgkin lymphoma at the age of 28 years, which included external beam radiation to the head and neck ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old woman with a history of moderate persistent asthma presents to the emergency department with tachypnea, shortness of breath, and cough. She also mentions that she has recently started to notice red flecks in the sputum that she coughs up. The vital signs include: temperature 36.7°C (98.0°F),... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old woman comes to the physician because of fevers for 2 weeks. She works as a nurse and recently returned from a charity work trip to India, where she worked in a medically-underserved rural community. A tuberculin skin test 3 months ago prior to her trip showed an induration of 3 mm. Physical ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old woman is brought to the emergency department 45 minutes after being rescued from a house fire. On arrival, she appears confused and has shortness of breath. The patient is 165 cm (5 ft 5 in) tall and weighs 55 kg (121 lb); BMI is 20 kg/m2. Her pulse is 125/min, respirations are 29/min, and b... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> Where does the only cranial nerve without a thalamic relay nucleus enter the skull? ---- <<Choices:>> A) Foramen rotundum B) Jugular foramen C) Internal auditory meatus D) Cribriform plate ---- <<Answer:>> | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old female comes to your office complaining of dry, scaling skin (FIgure A). She is particularly concerned about the appearance of her skin around her peers. She indicates that she did not start having problems until she was 5 years of age, after which her skin has progressively become drier and... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old woman is brought to the emergency department by her coworkers after a sudden onset of vision loss. She is a lawyer and lost 3 cases in the past week. Yesterday, she experienced weakness and paralysis of her left wrist. Past medical history is significant for acid reflux. Physical examination... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old female recovering from a total shoulder arthroplasty completed 6 days ago presents complaining of joint pain in her repaired shoulder. Temperature is 39 degrees Celsius. Physical examination demonstrates erythema and significant tenderness around the incision site. Wound cultures reveal Gram... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old woman presents to the emergency room with severe abdominal pain for the past 24 hours. She has also noticed blood in her urine. She does not have any significant past medical history. Family history is significant for her mother having cholecystitis status post cholecystectomy at age 45. Her... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old male is brought to the emergency department from a nursing home due to worsening mental status. His nurse reports that the patient has been very lethargic and sleeping more than usual for the past week. She found him confused and difficult to arouse this morning and decided to bring him to t... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old male presents for an annual exam. His past medical history is notable for shortness of breath when he sleeps, and upon exertion. Recently he has experienced dyspnea and lower extremity edema that seems to be worsening. Both of these symptoms have resolved since he was started on several medi... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old man presents to the physician for a pre-employment medical check-up. He has no symptoms and his past medical history is insignificant. He is a non-smoker. His temperature is 36.9°C (98.4°F), the heart rate is 76/min, the blood pressure is 124/82 mm Hg, and the respiratory rate is 16/min. His... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old Caucasian female presents to her primary care provider for skin problems and difficulty breathing. She has not sought medical care in over 10 years due to anxiety around physicians. However, she has experienced gradual onset of diffuse pruritus, skin induration, and limited finger mobility o... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old boy is brought to the emergency department by his mother for evaluation of severe abdominal pain that began one hour ago. On examination, the patient is afebrile and has diffuse rebound tenderness with acute epigastric pain. A stool guaiac test is positive. A small bowel perforation is suspec... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man comes to the physician because of a 2-week history of diarrhea. During this period, he has had about 10 bowel movements per day. He states that his stools are light brown and watery, with no blood or mucus. He also reports mild abdominal pain and nausea. Over the past year, he has had 6 ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old man presents to the emergency department with a fever and a sore throat. He has had these symptoms for the past 2 weeks and has felt progressively more fatigued. His temperature is 102°F (38.9°C), blood pressure is 120/68 mmHg, pulse is 100/min, respirations are 17/min, and oxygen saturation... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman presents to her gynecologist for an annual visit. She is currently sexually active with 3 men and reports the consistent use of condoms. She denies abnormal vaginal odor, discharge, or dysuria. A routine Pap test is performed, which shows atypical squamous cells of undetermined signifi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old girl is brought to the physician because she has suddenly withdrawn from her close friends and has been displaying anger and hostility toward her friends at school, as well as toward her parents at home over the past month. She has also begun to skip classes and has been absent from school s... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man comes to the physician because of a 2-week history of a cough and shortness of breath. He also noted several episodes of blood-tinged sputum over the last 4 days. He has a 3-month history of progressive fatigue. His temperature is 37.5°C (98.6°F), pulse is 86/min, respirations are 17/min... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is conducting a phase 1 trial for a novel epoxide reductase inhibitor with favorable pharmacokinetic properties for cerebrovascular accident prophylaxis. Two days after the trial starts, a subject begins to notice pain and erythema over the right thigh. It rapidly progresses to a purpuric ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old man presents to the physician’s office with an inability to maintain an erection. He can achieve an erection, but it is brief and decreases soon after the penetration. His erectile dysfunction developed gradually over the past 2 years. He denies decreased libido, depressed mood, or anhedonia... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> Part of the success of the Streptococcus pyogenes bacterium lies in its ability to evade phagocytosis. Which of the following helps in this evasion? ---- <<Choices:>> A) M protein B) Streptolysin S C) Pyrogenic toxin D) Streptokinase ---- <<Answer:>> | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old woman with type 1 diabetes mellitus comes to the physician because of a 2-month history of fatigue and hair loss. She has smoked one pack of cigarettes daily for the past 15 years. Her only medication is insulin. Her pulse is 59/min and blood pressure is 102/76 mm Hg. Physical examination sh... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man presents to the emergency room with right flank pain. On physical examination, there is no rebound tenderness, guarding, and rigidity. The pain is radiating to the groin region and is associated with nausea. Plain X-ray of the kidney, ureter, and bladder is normal. Urinalysis showed the ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A research team is working on a new assay meant to increase the sensitivity of testing in cervical cancer. Current sensitivity is listed at 77%. If this research team’s latest work culminates in the following results (listed in the table), has the sensitivity improved, and, if so, then by what percentage?... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-year-old boy presents to the emergency department accompanied by his parents with a swollen and painful right knee after he fell from his bicycle a few hours ago. The patient’s mother says he fell off the bike and struck the ground with his whole weight on his right knee. Immediately, his right knee ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old woman presents to the clinic regularly with her young daughter and complains that ever since her last delivery 5 years ago, she has been having intermittent light vaginal bleeding. She has seen several doctors so far and even some ‘specialist doctors.’ Her menstrual history also appears to b... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 61-year-old man comes to the physician because of a 2-month history of a cough productive of clear mucoid sputum. He has smoked one pack of cigarettes daily for 33 years. Physical examination shows no abnormalities. Chest x-ray shows a 2-cm solid nodule in the periphery of the lower left lobe. A bronchi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old man with a history of diabetes mellitus type II and a previous myocardial infarction presents to your office for a routine examination. His blood pressure is found to be 180/100 mmHg. Which drug is the first-line choice of treatment for this patient's hypertension? ---- <<Choices:>> A) Hydro... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old overweight man presents to the office complaining of heartburn for 6 months. He describes burning in his chest brought on by meals. He has a 20 pack-year smoking history and drinks 2 glasses of red wine with dinner nightly. He denies dysphagia, odynophagia, weight loss, melena, and hematemes... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old woman comes to the physician because of a 6-week history of depressed mood, loss of interest, and difficulty sleeping. She also has had a 4.5-kg (10-lb) weight loss during this period. She has not been as productive as before at work due to difficulty concentrating. There is no evidence of s... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> Parkinson’s disease is a progressive neurodegenerative disease. It is characterized by a loss of dopaminergic neurons in the substantia nigra pars compacta and the formation of cellular inclusions called Lewy bodies. These are composed of α-synuclein that has been bound to ubiquitin. In healthy individual... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man presents to an outpatient psychiatrist complaining of anxiety and a persistent feeling that “something terrible will happen to my family.” He describes 1 year of vague, disturbing thoughts about his family members contracting a “horrible disease” or dying in an accident. He believes that... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man presents with a blunt force injury to the head from a baseball bat. He is currently unconscious, although his friends say he was awake and speaking with them en route to the hospital. He has no significant past medical history and takes no current medications. The vital signs include: te... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-month-old boy presents with increasing weakness for the past 3 months. The patient’s mother says that the weakness is accompanied by dizziness, sweating, and vertigo early in the morning. Physical examination shows hepatomegaly. Laboratory findings show an increased amount of lactate, uric acid, and e... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old alcoholic patient presents with high-output cardiac failure, tachycardia, a bounding pulse, and warm extremities. Blood work reveals vitamin deficiency. Which of the following vitamin deficiencies is most likely associated with such a clinical presentation? ---- <<Choices:>> A) Vitamin B12 B... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old male with a history of hepatitis C cirrhosis status post TIPS procedure is brought in by his wife to the emergency department because he has been acting disoriented, slurring his speech, and sleeping throughout the day. On arrival the patient is afebrile and his vital signs are pulse is 87/m... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 78-year-old woman with a history of cerebrovascular accident (CVA) presents to the emergency department with slurred speech, diplopia and dizziness that has persisted for eight hours. Upon further questioning you find that since her CVA one year ago, she has struggled with depression and poor nutrition.... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-year-old previously healthy male presents to the emergency department with 3 hours of intermittent abdominal pain, vomiting, and one episode of dark red stools. On exam, his abdomen is tender to palpation and there are decreased bowel sounds. A CT scan reveals air fluid levels and a cystic mass in the... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old woman presents to her primary care physician for a worsening cough. She states that she has had a cough for 5 months. Over the past 2 weeks, the cough has become more frequent and produces yellow sputum. She has dyspnea on exertion at baseline, which she feels is also worsening. She denies f... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man visits his primary care physician for a follow-up visit. He was diagnosed with asthma during childhood, but it has always been well controlled with an albuterol inhaler. He is hypertensive and admits that he is not compliant with his antihypertensive medication. He expresses his concerns... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old woman presents to the physician with a blurred vision of her right eye over the past day. She has pain around her right eye during eye movement. She has a history of tingling in her left leg 5 months ago, which spontaneously resolved after 2 weeks. She takes no medications. Her blood pressur... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man presents with a 2-week history of fever, malaise, and occasional diarrhea. On physical examination, the physician notes enlarged inguinal lymph nodes. An HIV screening test is positive. Laboratory studies show a CD4+ count of 650/mm3. This patient is most likely currently in which of the... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 66-year old man with a 45-pack-year smoking history presents with abdominal pain and constipation. He reports that he has had a worsening cough for several months and has lost 20 pounds over this time period. You order a complete metabolic profile, which demonstrates hypercalcemia. A chest radiograph sh... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A scientist is researching the long term effects of the hepatitis viruses on hepatic tissue. She finds that certain strains are oncogenic and increase the risk of hepatocellular carcinoma. However, they appear to do so via different mechanisms. Which of the following answer choices correctly pairs the hep... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man is brought to the emergency department by his wife because she thinks he has had a stroke. He has hypertension and type 2 diabetes mellitus. Current medications include enalapril and metformin. He has smoked 1 pack of cigarettes per day for the past 35 years. His blood pressure is 162/95... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old woman presents to the surgical oncology clinic as a new patient for evaluation of recently diagnosed breast cancer. She has a medical history of type 2 diabetes mellitus for which she takes metformin. Her surgical history is a total knee arthroplasty 7 years ago. Her family history is insign... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old male presents to the emergency room with weight loss, abdominal pain, and bloody diarrhea. He reports having intermittent bloody stools and crampy left lower quadrant abdominal pain over the past several days. He is otherwise healthy, does not smoke, and takes no medications. His family hist... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old boy is brought to the office by his mother. She reports that her son is well but has some concerns about his overall health: he is shorter and, physically, seems less developed compared to his siblings when they were the same age. He recently started school and the mother reports that the boy... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 8-year-old boy is shifted to a post-surgical floor following neck surgery. The surgeon has restricted his oral intake for the next 24 hours. He does not have diarrhea, vomiting, or dehydration. His calculated fluid requirement is 1500 mL/day. However, he receives 2000 mL of intravenous isotonic fluids ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old woman presents to the urgent care clinic with recurrent chest pain and pressure radiating to her jaw. ECG is obtained and shows ST-segment elevation, but her cardiac enzymes are repeatedly found to be within normal ranges. She has a heart rate of 82/min and a blood pressure of 128/76 mm Hg. ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old man presents to the physician’s clinic due to episodic chest pain over the last couple of months. He is currently pain-free. His chest pain occurs soon after he starts to exercise, and it is rapidly relieved by rest. He recently started training for a marathon after a decade of a fairly sede... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old man with substernal chest pain calls 911. When paramedics arrive, they administer drug X sublingually for the immediate relief of angina. What is the most likely site of action of drug X? ---- <<Choices:>> A) Large arteries B) Large veins C) Cardiac muscle D) Pulmonary arteries ---- <<Answer... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 74-year-old woman comes to the physician for a follow-up examination. Eight months ago, she underwent an emergency cardiac catheterization with stenting for myocardial infarction. At the time of discharge, her heart configuration was normal, end-diastolic volume was 300 mL and ejection fraction was 51%.... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old woman presents to her family physician for a general wellness checkup with a chief complaint of high levels of anxiety over the past year. Her anxiety has started to affect her performance at work, making her even more anxious and concerned that she will lose her job. She started psychothera... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old woman is brought to the emergency department by ambulance after suffering a generalized tonic-clonic seizure. The seizure lasted 2 minutes, followed by a short period of unresponsiveness and loud breathing. Her blood pressure is 130/80 mm Hg, the heart rate is 76/min, and the respiratory rat... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old nulligravid woman comes to the physician for evaluation of irregular periods. Menarche was at the age of 12 years. Her menses have always occurred at variable intervals, and she has spotting between her periods. Her last menstrual period was 6 months ago. She has diabetes mellitus type 2 and... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man comes to the physician because of increasing weakness of his arms and legs over the past year. He has also had difficulty speaking for the past 5 months. He underwent a partial gastrectomy for gastric cancer 10 years ago. His temperature is 37.1°C (98.8°F), pulse is 88/min, and blood pre... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old woman, gravida 2, para 1, at 24 weeks' gestation comes to the physician for a routine prenatal evaluation. She has no history of major medical illness and takes no medications. Fetal ultrasonography shows a cardiac defect resulting from abnormal development of the endocardial cushions. This ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> Many large clinics have noticed that the prevalence of primary biliary cholangitis (PBC) has increased significantly over the past 20 years. An epidemiologist is working to identify possible reasons for this. After analyzing a series of nationwide health surveillance databases, the epidemiologist finds th... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old man presents to his primary care provider in Philadelphia with a skin rash on his right thigh. He reports that the rash appeared 3 days ago. He recently returned from a weeklong trip to his vacation home in central Pennsylvania. He denies pain, numbness, paresthesias, itchiness, or burning a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 14-year-old female with no past medical history presents to the emergency department with nausea and abdominal pain. On physical examination, her blood pressure is 78/65, her respiratory rate is 30, her breath has a fruity odor, and capillary refill is > 3 seconds. Serum glucose is 820 mg/dL. After star... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A group of investigators are studying the effects of transcranial direct current stimulation (tDCS) on cognitive performance in patients with Alzheimer disease. A cohort of 50 patients with mild Alzheimer disease were randomized 1:1 to either tDCS or sham tDCS over the temporoparietal cortex. Both procedu... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man is referred by his primary care provider to a neurologist for leg pain. He reports a 6-month history of progressive bilateral lower extremity pain that is worse in his left leg. The pain is 5/10 in severity at its worst and is described as a "burning" pain. He has noticed that the pain i... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old woman, gravida 2, para 1, at 36 weeks' gestation comes to the physician for a prenatal visit. She feels well. Fetal movements are adequate. This is her 7th prenatal visit. She had an ultrasound scan performed 1 month ago that showed a live intrauterine pregnancy consistent with a 32-week ges... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man presents with jaw discomfort and the inability to open his mouth fully for about 3 days. About a week ago, he says he cut himself while preparing a chicken dinner but did not seek medical assistance. Five days after the original injury, he started noticing jaw discomfort and an inability... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 69-year-old woman is brought to the physician by her husband because of multiple falls and difficulty maintaining balance while standing or walking over the past year. During this period, she has had blurred vision and diplopia. Her husband has had difficulty understanding her speech for the past 3 mont... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old G2P1 female presents to the clinic at the beginning of her third trimester for a fetal ultrasound. The sonographer is unable to visualize any of the structures arising from the mesonephric duct. This infant is at risk for malformation of which of the following? ---- <<Choices:>> A) Fallopian... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old female is hospitalized 1 day after an endoscopic retrograde cholangiopancreatography (ERCP) because of vomiting, weakness, and severe abdominal pain. Physical examination findings include abdominal tenderness and diminished bowel sounds. A CT scan demonstrates fluid around the pancreas. Seru... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old woman comes to the urgent care clinic with sudden onset of severe vomiting. She had been at a picnic with her boyfriend a few hours earlier, enjoying barbecue, potato salad, and cake. Shortly thereafter, she began vomiting and has vomited 5 times in the last 3 hours. She has no prior history... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-day-old boy is brought to the physician by his mother because of irritability and feeding intolerance for 1 day. His temperature is 39.2°C (102.6°F). Physical examination shows a bulging anterior fontanelle. A photomicrograph of a Gram stain of the cerebrospinal fluid is shown. Further evaluation show... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old man comes to the physician for a follow-up examination one week after a chest x-ray showed a solitary pulmonary nodule. He has no history of major medical illness. He has smoked 1 pack of cigarettes daily for the past 30 years. Physical examination shows no abnormalities. A tuberculin skin t... | A |
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