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Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old female college senior comes to the physician with a 1-year history of recurrent palpitations accompanied by sweating, facial blushing, and sometimes nausea. The symptoms are worse during class when she is occasionally called out to speak, which causes her to feel embarrassed. She has been sk... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old man presents to the clinic because of painful, severe blistering over his buttocks for the past week. About a year ago, he noticed a similar outbreak on his inner thighs, but it receded within a few days on its own. Physical examination shows the blisters are tense, and rubbing the affected ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man comes to the emergency department because of nausea and vomiting for the past 2 hours. The patient has neither had diarrhea nor fever. Four hours ago he ate some leftover Indian rice dish he had ordered the night before. There is no history of serious illness. He immigrated from India 8 ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old man presents with multiple episodes of sudden-onset severe pain in his right side of the face lasting for only a few seconds. He describes the pain as lancinating, giving the sensation of an electrical shock. He says the episodes are precipitated by chewing or touching the face. Which of the... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 66-year-old man comes to the emergency department because of shortness of breath. His temperature is 37.2°C (99°F) and pulse is 105/min. When the blood pressure cuff is inflated to 140 mm Hg, the patient's pulse is audible and regular. However, upon inspiration, the pulse disappears and does not reappea... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 20-year-old woman presents with nausea, fatigue, and breast tenderness. She is sexually active with two partners and occasionally uses condoms during intercourse. A β-hCG urinary test is positive. A transvaginal ultrasound reveals an 8-week fetus in the uterine cavity. The patient is distressed by this ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 5-year-old boy is brought to the emergency department 15 minutes after sustaining an injury to his right hand. His mother says that she was cleaning the bathroom when he accidentally knocked over the drain cleaner bottle and spilled the liquid onto his hand. On arrival, he is crying a... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old man with hypertension comes to the emergency department because of progressively worsening abdominal pain that started 1 week ago. The pain is localized to the right upper quadrant. He has also noticed yellowing of his eyes and skin during this time period. Physical examination shows jaundic... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old boy comes to the physician because of skin changes on his face, chest, and back over the past year. Treatment with over-the-counter benzoyl peroxide has been ineffective. Physical examination shows numerous open comedones, inflammatory papules, and pustules on his face, chest, and back. Whic... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old woman comes to the physician for a follow-up examination. She had a spontaneous abortion 3 months ago. Her last menstrual period was 3 weeks ago. She reports feeling sad occasionally but has continued working and attending social events. She does not have any suicidal ideation or tendencies.... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old man comes to the physician because of progressively worsening fatigue, nausea, and right upper quadrant pain. He has a history of intravenous heroin use. Both serum Anti-HBe and Anti-HBc are positive. Further analysis of the Anti-HBc immunoglobulin is most likely to show which of the followi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old young man presents to his primary care physician for weakness and tingling in his hand. The patient is an avid bodybuilder and has noticed that his grip strength has gradually worsened in both hands with symptoms worse at the end of a long workout. The patient has a past medical history of a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 69-year-old woman is brought to the physician by her daughter because of increasing forgetfulness and generalized fatigue over the past 4 months. She is unable to remember recent events and can no longer recognize familiar people. She lives independently, but her daughter has hired a helper in the past ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A stool sample was taken from a 19-year-old male who presented with profuse watery diarrhea. He recently returned from a trip to Central America. A microbiologist identified the causative agent as a gram-negative, oxidase-positive, comma-shaped bacteria that is able to grow well in a pH > 8. Which of the ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is attempting to assess the glomerular filtration rate (GFR) of a healthy adult volunteer. The volunteer's inulin clearance is evaluated under continuous inulin infusion and urine collection and compared to the creatinine clearance. It is found that the estimated GFR based on the volunteer... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old man is brought into the emergency room for complaints of acute onset chest pain and shortness of breath. He has a history of mental retardation and lives at home with his adoptive parents. His parents inform you that he has not seen a doctor since he was adopted as child and that he currentl... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old gravida 5, para 4 presents to the physician for prenatal care at 32 weeks of pregnancy. She comes from a rural region of Ethiopia and did not have appropriate prenatal care during previous pregnancies. She has no complaints of swelling, contractions, loss of fluid, or bleeding from the vagin... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man presents with multiple episodes of hemoptysis for a week. It is associated with generalized weakness, decreased appetite, and a 5.4 kg (12 lb) weight loss in 2 months. He has a smoking history of a pack a day for the last 47 years. Physical examination reveals pallor, while the rest of t... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 84-year-old man is brought to the physician by the staff of a group home where he resides because of worsening confusion and decreased urinary output. His nurse reports that the patient has not been drinking much for the last 3 days. Examination shows a decreased skin turgor and dry oral mucosa. His pu... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old Caucasian woman presents with a 2-month history of general fatigue, slight jaundice, and mild itching. She has also noticed that her urine has been darker and stools have been lighter in color recently. She denies any fevers, chills, or alcohol use. She has no significant past medical or sur... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old man, with a history of intravenous (IV) drug use, presented to the emergency department due to worsening non-productive cough, exertional dyspnea, and night sweats. His cough started 3 weeks ago and progressively worsened. He is homeless and well-known by the hospital staff. He was previousl... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old woman comes to the physician because of vision impairment in her right eye for the past 2 weeks. During this period, she was unable to distinguish colors with her right eye. She also reports pain with eye movement. She has no double vision. She occasionally has headaches that are relieved by... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man is brought to the emergency department by his girlfriend because of acute agitation and bizarre behavior. The girlfriend reports that, over the past 3 months, the patient has become withdrawn and stopped pursuing hobbies that he used to enjoy. One month ago, he lost his job because he st... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old G1P0 female presents for her first prenatal visit. She is in a monogamous relationship with her husband, and has had two lifetime sexual partners. She has never had a blood transfusion and has never used injection drugs. Screening for which of the following infections is most appropriate to ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old boy presents to the emergency department with a fever and a rash. This morning the patient was irritable and had a fever which gradually worsened throughout the day. He also developed a rash prior to presentation. He was previously healthy and is not currently taking any medications. His temp... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 48-year-old man comes to the physician because of a 3-week history of progressively worsening jaundice, generalized itching, and epigastric discomfort. He also complains of nausea and loss of appetite. His stools have looked like clay for the past week. He has returned from a vacation... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old man is brought to the doctor’s office by his mother because the patient believes aliens have begun to read his mind and will soon have him performing missions for them. The patient’s mother says that the delusions have been intermittently present for periods of at least 1-month over the past... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old female with no past medical history presents to her primary care physician with a 3-day history of knee pain. She denies any recent injury or trauma. On physical examination her knee is warm, erythematous, and has diminished range of movement. The patient reports to having multiple sexual pa... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old woman comes to the physician because of a 3-week history of progressive weakness. She has had increased difficulty combing her hair and climbing stairs. She has hypertension. She has smoked a pack of cigarettes daily for 25 years. She does not drink alcohol. Her mother had coronary artery di... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man presents to the emergency department with nausea and vomiting. The patient states that he has felt nauseous for the past week and began vomiting last night. He thought his symptoms would resolve but decided to come in when his symptoms worsened. He feels that his symptoms are exacerbated... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old postmenopausal woman comes to the physician for a screening Pap smear. She has no history of serious illness. Her last Pap smear was 10 years ago and showed no abnormalities. She has smoked one-half pack of cigarettes daily for 20 years and drinks 3 bottles of wine per week. She is sexually ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old woman presents with a severe headache, nausea, and vomiting for the past 48 hours. Vitals show a blood pressure of 220/134 mm Hg and a pulse of 88/min. Urinalysis shows a 2+ proteinuria and RBC casts. Which of the following renal lesions is most likely to be seen in this patient? ---- <<Choi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman presents with weakness, fatigability, headache, and faintness. She began to develop these symptoms 4 months ago, and their intensity has been increasing since then. Her medical history is significant for epilepsy diagnosed 4 years ago. She was prescribed valproic acid, which, even at a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old male presents to your office with right knee pain. He is the quarterback of his high school football team and developed the knee pain after being tackled in last night's game. He states he was running with the ball and was hit on the lateral aspect of his right knee while his right foot was ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-year-old boy admitted to the intensive care unit 1 day ago for severe pneumonia suddenly develops hypotension. He was started on empiric antibiotics and his blood culture reports are pending. According to the nurse, the patient was doing fine until his blood pressure suddenly dropped. Vital signs inc... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man comes to the physician because of severe fatigue that started 1 week ago. Ten days ago, he finished a course of oral cephalexin for cellulitis. He does not take any medications. He appears tired. His temperature is 37.5°C (99.5°F), pulse is 95/min, and blood pressure is 120/75 mm Hg. Exa... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old man presents to you with gradual loss of voice and difficulty swallowing for the past couple of months. The difficulty of swallowing is for both solid and liquid foods. His past medical history is insignificant except for occasional mild headaches. Physical exam also reveals loss of taste se... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A newborn whose mother had uncontrolled diabetes mellitus during pregnancy is likely to have which of the following findings? ---- <<Choices:>> A) Atrophy of pancreatic islets cells B) Hypoglycemia C) Hyperglycemia D) Ketoacidosis ---- <<Answer:>> | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man comes to the physician because of right wrist pain after a fall from a ladder. Physical examination shows decreased grip strength and tenderness between the tendons of extensor pollicis longus and extensor pollicis brevis. X-ray of the right wrist shows no abnormalities. This patient is ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman comes to the physician because of a 4-day history of lower abdominal pain and pain with urination. Five months ago, she was treated for gonococcal urethritis. She recently moved in with her newlywed husband. She is sexually active with her husband and they do not use condoms. Her only ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-month-old girl presents to her pediatrician with her mother. The patient was born at 38 weeks gestation via Caesarian section for cervical incompetence. The patient’s mother has no complaints, although she notes that the child had a runny nose and cough for a few days last week. The patient’s mother e... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old man comes to the clinic for follow-up of his general anxiety disorder. He was diagnosed a year ago for excessive worry and irritability and was subsequently started on paroxetine. He demonstrated great response to therapy but is now complaining of decreased libido, which is affecting his mar... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old man presents with large tense blisters on the flexor surfaces of the upper extremities and trunk. The histologic findings show subepidermal blisters with an eosinophil-rich infiltrate. What is the most likely underlying pathology? ---- <<Choices:>> A) Autoantibodies to desmoglein 3 B) Granul... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A public health campaign increases vaccination rates against human papillomaviruses 16 and 18. Increased vaccination rates would have which of the following effects on the Papanicolaou test? ---- <<Choices:>> A) Increased true negative rate B) Decreased true positive rate C) Decreased positive predictive ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old man presents to the emergency department with the complaint of ‘cola-colored’ urine that he noticed this morning. Additionally, he complains of malaise and reports that he has not been able to be productive at work since last week. Lab results revealed a hemoglobin of 6.7 g/dL, leukocyte tot... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old woman presents to her primary care physician with a 2-week history of diarrhea. She says that she has also noticed that she is losing weight, which makes her feel anxious since she has relatives who have suffered from anorexia. Finally, she says that she is worried she has a fever because sh... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman, gravida 3, para 2, at 18 weeks' gestation comes to the physician for a prenatal visit. Ultrasonography at a previous visit when she was at 12 weeks' gestation showed a hypoplastic nasal bone. Pelvic examination shows a uterus consistent in size with an 18-week gestation. Maternal seru... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old man presents to his physician for a routine checkup. His doctor asks him if he has had any particular concerns since his last visit and if he has taken any new medications. He says that he has not been ill over the past year, except for one episode of the flu. He has been training excessivel... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man presents to the emergency department with sudden-onset severe pain in the right shoulder that occurred when he threw a bowling ball 2 hours ago. He has a history of dislocations in both shoulders and subluxation of the right knee and left wrist. There is no history of fractures. On physi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old woman presents with a complaint of a chronic, dry cough of insidious onset since working with her new primary care physician. She has a longstanding history of diabetes mellitus type 2, hypertension, and hyperlipidemia. She has a 10 pack-year smoking history, but does not currently smoke. Wh... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 8-year-old boy is brought to the emergency department by his parents because of vomiting, abdominal pain, and blurry vision for the past hour. The parents report that the boy developed these symptoms after he accidentally ingested 2 tablets of his grandfather’s heart failure medication. On physical exa... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old man comes to the physician for a follow-up examination. Eight months ago, he was diagnosed with HIV infection and combined antiretroviral treatment was begun. He feels well. He does not smoke or drink alcohol. Current medications include lamivudine, zidovudine, atazanavir, and trimethoprim-s... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man comes to the physician because of a 3-week history of a cough and hoarseness. He reports that the cough is worse when he lies down after lunch. His temperature is 37.5°C (99.5°F); the remainder of his vital signs are within normal limits. Because the physician has recently been seeing se... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A researcher is studying the effects of 2 drugs, drug X, and drug Y. He is trying to measure the potential of each drug to achieve a certain response. The graphs in the images show some of his observations. He observes that when drug X acts on its own, it produces a much higher response compared to drug Y... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man comes to the emergency department for nausea and vomiting for the past 2 days. The patient reports that he felt tired and weak for the past week without any obvious precipitating factors. Past medical history is significant for hypertension controlled with hydrochlorothiazide. He denies ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old man presents to the clinic with several weeks of watery diarrhea and right upper quadrant pain with fever. He also endorses malaise, nausea, and anorexia. He is HIV-positive and is currently on antiretroviral therapy. He admits to not being compliant with his current medications. His tempera... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> Following a recent myocardial infarction, a 60-year-old woman has been started on multiple medications at the time of discharge from the hospital. After 10 days of discharge, she presents to the emergency department with a history of fever, headache, and dark colored urine for 2 days. Her husband mentions... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man comes to the physician because of double vision and unilateral right eye pain that began this morning. His vision improves when he covers either eye. He has hypertension, mild cognitive impairment, and type 2 diabetes mellitus. The patient has smoked two packs of cigarettes daily for 40 ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 82-year-old woman presents to the emergency department because of excruciating right flank pain and fever for the past 2 days. She states that she is having trouble urinating. Her past medical history is unremarkable. A urinalysis is performed and comes back positive for leukocytes and gram-negative ba... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old woman, gravida 5, para 5, comes to the physician for the evaluation of sensation of vaginal fullness for the last six months. During this period, she has had lower back and pelvic pain that is worse with prolonged standing or walking. The patient underwent a hysterectomy at the age of 35 yea... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old woman, gravida 2 para 1, at 39 weeks gestation presents to the hospital with painful contractions and a rupture of membranes. She reports that the contractions started a couple hours ago and are now occurring every 4 minutes. She is accompanied by her husband who states, “her water broke an ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old female is found to have unusual susceptibility to infections by catalase-producing organisms. This patient likely has a problem with the function of which of the following cell types? ---- <<Choices:>> A) B cells B) T cells C) Neutrophils D) Eosinophils ---- <<Answer:>> | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old child is brought to the pediatrician by his mother who states that he has been fussy for the past two days. She says that he has had a runny nose, a cough, a sore throat, and decreased appetite. Vital signs are within normal limits. Physical exam reveals a slightly erythematous oropharynx and... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> One day after delivery, an African American female newborn develops yellow discoloration of the eyes. She was born at term via uncomplicated vaginal delivery and weighed 3.4 kg (7 lb 8 oz). Her mother did not receive prenatal care. Examination shows scleral icterus and mild hepatosplenomegaly. Laboratory ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old man presents to the physician for a followup examination. He was diagnosed with hypertension 12 years ago. He had a coronary stent placement 2 years ago. His medications include aspirin, atorvastatin, lisinopril, hydrochlorothiazide, and carvedilol. Amlodipine was also added to his medicatio... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old woman presents to the hospital for an elective right hemicolectomy. She is independently mobile and does her own shopping. She has had type 2 diabetes mellitus for 20 years, essential hypertension for 15 years, and angina on exertion for 6 years. She has a 30-pack-year history of smoking. Th... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old woman with a history of systemic lupus erythematosus (SLE) presents with worsening fatigue. She says her symptoms onset a few months ago and are significantly worse than experienced due to her SLE. Past medical history is significant for SLE diagnosed 3 years ago, managed with NSAIDs and hyd... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old male presents with left hip pain and stiffness. Radiographs are shown in Figures A and B. Serum alkaline phosphatase levels are elevated. A biopsy of the left femur is performed and shown in Figure C. Which of the following cells are initially responsible for this condition? ---- <<Choices:>... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 1-day-old infant in the general care nursery, born at full term by uncomplicated cesarean section delivery, is noted to have a murmur, but otherwise appears well. On examination, respiratory rate is 40/min and pulse oximetry is 96%. Precordium is normoactive. With auscultation, S1 is normal, S2 is singl... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 8-year-old girl is brought to the physician by her parents because they are concerned with her behavior. She has temper outbursts six or seven times per week, which last anywhere between 5 minutes to half an hour or until she becomes tired. According to her father, she screams at others and throws thin... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A healthy 29-year-old nulligravid woman comes to the physician for genetic counseling prior to conception. Her brother has a disease that has resulted in infertility, a right-sided heart, and frequent sinus and ear infections. No other family members are affected. The intended father has no history of thi... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 79-year-old man with aortic stenosis comes to the emergency room because of worsening fatigue for 5 months. During this time, he has also had intermittent bright red blood mixed in with his stool. He has not had any abdominal pain or weight loss. Physical examination shows pale conjunctivae and a cresce... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old boy is brought to the physician because of recurrent respiratory infections that cause him to miss several weeks of school each year. He also has bulky, foul-smelling stools that are difficult to flush. He has a good appetite and eats a variety of foods. His height and weight are below the 1... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old girl is brought to the physician because she has not yet reached menarche. There is no personal or family history of serious illness. She is at the 20th percentile for weight and 50th percentile for height. Vital signs are within normal limits. Examination shows mild facial hair. There is no... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old woman with no significant past medical history currently on oral contraceptive pills presents to the emergency department with pleuritic chest pain. She states that it started today. Yesterday she had a trip and returned via plane. Her temperature is 98°F (36.7°C), blood pressure is 117/66 m... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman, gravida 2, para 1, at 28 weeks' gestation comes to the physician for a prenatal visit. She feels well. Pregnancy and delivery of her first child were uncomplicated. Her temperature is 37.2°C (99°F) and blood pressure is 163/105 mm Hg. Her blood pressure 10 weeks ago was 128/84 mm Hg. ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-month-old child passed away after suffering from craniofacial abnormalities, neurologic dysfunction, and hepatomegaly. Analysis of the child’s blood plasma shows an increase in very long chain fatty acids. The cellular analysis demonstrates dysfunction of an organelle responsible for the breakdown of... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old boy is brought to the clinic by his father for difficulty in school. He reports that his son has been suspended several times over his high school career for instigating fights. Per the patient, he has always had trouble controlling his anger and would feel especially frustrated at school si... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A study on cholesterol levels of a town in rural Idaho is performed, of which there are 1000 participants. It is determined that in this population, the mean LDL is 200 mg/dL, with a standard deviation of 50 mg/dL. If the population has a normal distribution, how many people have a cholesterol less than 3... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old patient presents to a medical office for a consultation regarding a mole on her nose that is increasing in size. She also complains of frequent headaches, which she associates with stress on the job. She works as a civil engineer and spends much of her time outside. Her past medical history ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old woman comes to the physician for a routine health maintenance examination. She feels well. She was diagnosed with multiple sclerosis one year ago. She has had two exacerbations since then, each lasting about one week and each requiring hospitalization for corticosteroid treatment. Her most r... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old woman comes to the physician because of vaginal discharge for 4 days. She has no pain or pruritus. Menses occur at regular 27-day intervals and last 5 days. Her last menstrual period was 2 weeks ago. She is sexually active with two male partners and uses a diaphragm for contraception. She ha... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old man is brought to the emergency department 30 minutes after the sudden onset of severe pain in the middle of his chest. He describes the pain as tearing in quality; it radiates to his jaw. He is sweating profusely. He has a 5-year history of hypertension and was diagnosed with chronic bronch... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old woman is brought to the emergency department by her husband because of acute confusion and sudden weakness of her left leg that lasted for about 30 minutes. One hour prior to admission, she was unable to understand words and had slurred speech for about 15 minutes. She has type 2 diabetes me... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-year-old girl is brought to the pediatrician by her father for dysuria, genital pruritus, and vaginal discharge. Cultures of the discharge are sent, revealing the causative agent to be a Gram-negative glucose-fermenting, non-maltose fermenting diplococci. Which of the following steps should the physic... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 20-year-old man presents with a painless neck mass that has gradually increased in size. The mass is anteromedial to the right sternocleidomastoid muscle and has been present for 3 years. The mass increased in size and became more tender following an upper respiratory infection. An ultrasound of the nec... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Please refer to the summary above to answer this question An 8-year-old boy is brought to the physician by his mother for a well-child examination at a clinic for low-income residents. Although her son's elementary school offers free afterschool programming, her son has not been interested in attending. B... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old man is brought to the emergency department by the police. The officers indicate that he was acting violently and talking strangely. In the ED, he becomes increasingly more violent. On exam his vitals are: Temp 101.1 F, HR 119/min, BP 132/85 mmHg, and RR 18/min. Of note, he has vertical nysta... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A researcher is investigating the behavior of two novel chemotherapeutic drugs that he believes will be effective against certain forms of lymphoma. In order to evaluate the safety of these drugs, this researcher measures the concentration and rate of elimination of each drug over time. A partial set of t... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man comes to the physician because of palpitations, sweating, and flushing. Since he was promoted to a manager in a large software company 6 months ago, he has had several episodes of these symptoms when he has to give presentations in front of a large group of people. During these episodes,... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 18-year-old college student seeks evaluation at an emergency department with complaints of fevers with chills, fatigue, diarrhea, and loss of appetite, which have lasted for 1 week. He says that his symptoms are progressively getting worse. He was taking over-the-counter acetaminophen, but it was ineff... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old man presents to the emergency department by ambulance after being involved in a fight. On arrival, there is obvious trauma to his face and neck, and his mouth is full of blood. Seconds after suctioning the blood, his mouth rapidly fills up with blood again. As a result, he is unable to speak... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man presents to the clinic for epigastric discomfort during the previous month. He states he has not vomited, but reports of having epigastric pain that worsens after most meals. The patient states that his stool “looks black sometimes.” The patient does not report of any weight loss. He has... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old man with a history of stage 4 chronic kidney disease (CKD) has started to develop refractory anemia. He denies any personal history of blood clots in his past, but he says that his mother has also had to be treated for deep venous thromboembolism in the past. His past medical history is sign... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old woman comes to the physician because of progressively worsening dyspnea on exertion and fatigue for the past 2 months. She had Hodgkin lymphoma as an adolescent, which was treated successfully with chemotherapy and radiation. Her father died from complications related to amyloidosis. She doe... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man presents to a psychiatrist by his wife with recent behavioral and emotional changes. The patient’s wife says that her husband’s personality has completely changed over the last year. She also says that he often complains of unpleasant odors when actually there is no discernible odor pres... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A scientist is studying the characteristics of a newly discovered infectious disease in order to determine its features. He calculates the number of patients that develop the disease over several months and finds that on average 75 new patients become infected per month. Furthermore, he knows that the dis... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying the function of the endoplasmic reticulum in genetically modified lymphocytes. A gene is removed that facilitates the binding of ribosomes to the endoplasmic reticulum. Which of the following processes is most likely to be impaired as a result of this genetic modification? ----... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An 80-year-old man is admitted to the hospital after the sudden onset of sub-sternal chest pain and shortness of breath while sitting in a chair. He has hypertension and type 2 diabetes mellitus. He has smoked 1 pack of cigarettes daily for 42 years. Four days after admission, he becomes tachycardic and t... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is conducting a study on hematological factors that affect the affinity of hemoglobin for oxygen. An illustration of two graphs (A and B) that represent the affinity of hemoglobin for oxygen is shown. Which of the following best explains a shift from A to B? ---- <<Choices:>> A) Decreased ... | C |
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