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Answer the following medical question with the correct letter choice: | <<Question:>> A 5-year-old boy is brought to the physician because of facial swelling that started 5 days ago. Two weeks ago, he had a sore throat that resolved spontaneously. His temperature is 37°C (98.6°F), pulse is 107/min, and blood pressure is 94/67 mm Hg. Examination shows pitting edema of the upper and lower ex... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man is referred to a dermatologist by his family physician for management of a rare case of dermatitis that has not responded to standard therapy with corticosteroids. The patient’s medical history is unremarkable, and he is currently working reduced hours at his job as an accountant. Physic... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old woman comes to the physician because she has been feeling very stressed over the past several months. During this period, she has found it difficult to relax. She states that her head is full of worries. She works at an accountant's office and reports difficulty in concentrating on her work.... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man presents to his primary care physician for a change in his behavior over the past few months. Initially, the patient was noted to be behaving inappropriately including using foul language and grabbing people unexpectedly. This has progressed to a worsening of his memory and trouble carin... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 11-month-old boy is brought to the clinic by his mother for a rash on his trunk, which he has had for the past 2 days. She notes that he is eating less and is more cranky than usual. His birth history is insignificant, and his immunizations are up to date. Vital signs include: temperature is 37.8°C (10... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man is brought to the emergency department with dry cough, shortness of breath, and low-grade fever that began 6 days ago. He also reports that he has had 3 episodes of watery diarrhea per day for the last 2 days. He appears slightly pale. His temperature is 38.0°C (100.4°F), pulse is 65/min... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A transvaginal ultrasound shows an intrauterine heteroechoic mass with numerous anechoic spaces and no identifiable fetus or amniotic fluid. Both the ovaries are enlarged and have multiple thin-walled, septated cysts with clear content. Which of the following is the most likely cause of the ovarian findin... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 75-year-old woman is brought to the emergency department by her son because of a 2-day history of fever, headache, malaise, and dry cough. The patient lives with her son and his family and her son reports that other members of the family have had similar symptoms during the past week but that he has not... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 71-year-old man comes to the physician for a routine visit. His psychiatric history is significant for major depression with psychotic features. He was diagnosed after his wife died from pancreatic cancer four years earlier. Three years ago, he deliberately overdosed on sleeping pills. Today, he feels w... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old boy is brought to the physician because of a generalized rash for 3 days. During this period, he has had severe itching and was not able to sleep well. He has also had fever, headache, and some muscle pain. Five days ago, he had a runny nose which subsided with over-the-counter medications. H... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old man is brought to the emergency department by ambulance because of unusual behavior that started 3 hours ago while he was at a party. He has a history of major depressive disorder and seasonal allergies. His mother has a history of anxiety. He drinks 5 beers on the weekends. Current medicati... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old male presents to the emergency room complaining of neck stiffness. He reports that his neck started “locking” three hours ago. He is now unable to move it. His past medical history is notable for schizophrenia and asthma and he currently takes albuterol as well as another medication whose na... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-month-old boy is brought to the physician for a well-child examination. Physical examination shows hepatosplenomegaly. A venous blood sample obtained for routine screening tests is milky. After refrigeration, a creamy supernatant layer appears on top of the sample. Genetic analysis shows a mutation i... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 41-year-old man comes to the emergency department with nausea, abdominal discomfort, and diarrhea for the past 2 days. His abdominal discomfort is worse shortly after meals. He has also had progressive perioral numbness and upper-extremity muscle cramping for the past 24 hours. Six months ago, he underw... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 9-year-old boy is brought to a physician by his mother for evaluation of generalized weakness, increased urination, and increased thirst. The mother mentions that her boy is always tired, and seems to be getting worse. He prefers watching television rather than going out and playing with other kids. Fur... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-year-old boy of African descent is presented to the emergency department by his parents. The child is clutching his abdomen and crying about pain in his belly. His mother reports intermittent episodes of jaundice with joint and bone pain since he was 5 months old. At presentation, the patient’s vital ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 51-year-old woman presents to her primary care physician complaining of months of dry mouth and dry eyes. She says the dryness has become so severe that she has difficulty swallowing food. She has a history of hypertension, for which she takes hydrochlorothiazide (HCTZ), but she has no other medical pro... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old man presents to his primary care provider with fatigue, a progressively worsening cough with flecks of blood, shortness of breath, and dark urine. He reports feeling ill for the past 3 weeks. Past medical history is significant for hypertension and hyperlipidemia. He takes chlorthalidone and... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man with HIV infection is brought to the emergency department by his roommate because of a 2-week history of progressively worsening headache and vomiting. Current medications include trimethoprim-sulfamethoxazole, dolutegravir, and tenofovir-emtricitabine. His temperature is 38.5°C (101.3°F... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old woman comes to the physician for the evaluation of back pain. For the past six days, she has had a burning pain in her upper right back and chest. She cannot recall any recent injury and has no prior history of back pain. She has a history of hypertension and gastroesophageal reflux. The pat... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A type of fatal adrenal cancer has an average survival rate of 3 years after the onset of clinically significant symptoms. It is determined that patients have a 4-year asymptomatic period prior to developing clinical symptoms from this adrenal cancer. A new screening test is developed, and the cancer can ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man presents to the office for shortness of breath. The shortness of breath started a year ago and is exacerbated by physical activity. He has been working in the glass manufacturing industry for 20 years. His vital signs include: heart rate 72/min, respiratory rate 30/min, and blood pressur... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old woman is brought to the emergency department by her brother for severe chest pain. The patient recently lost her husband in a car accident and is still extremely shocked by the event. On physical examination, her blood pressure is 105/67 mm Hg, the heart rate is 96/min and regular, breathing... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old man is brought to the emergency department. He was found unconscious on the street. The staff recognizes him as a local homeless man with a long history of alcoholism. At the hospital, his pulse is 95/min, the blood pressure is 110/70 mm Hg, the respirations are 20/min, and the oxygen satura... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 8-year-old girl comes to the physician because of a 2-day history of hematuria. Two weeks ago, she had a sore throat that resolved without treatment. Physical examination shows 1+ pitting edema of the lower legs and ankles. Urinalysis shows numerous RBCs and 3+ proteinuria. Her antistreptolysin O titer... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man presents to the emergency department with altered mental status. He was found down in the middle of the street. His past medical history is unknown. His temperature is 99.0°F (37.2°C), blood pressure is 104/64 mmHg, pulse is 70/min, respirations are 5/min, and oxygen saturation is 91% on... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old G4P3 presents to her obstetrician’s office for her 20-week anatomy ultrasound. She reports that she feels well and has not experienced any contractions or vaginal bleeding. She also reports good fetal movement. The patient declined prenatal screening earlier in the pregnancy for religious re... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 83-year-old man is admitted to the hospital with fever, weakness, and decreased responsiveness. He is diagnosed with urosepsis based on urinalysis and culture and started on ceftriaxone and intravenous fluids. By hospital day 3, he is clinically improving. During the evening, the patient becomes irrita... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman comes to the physician because of fatigue, weight loss, and muscle aches during the past 2 months. There is no personal or family history of serious illness. Her only medication is a multivitamin. A metyrapone stimulation test is performed and the results rule out a diagnosis of adrena... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator conducts a study to determine whether earlier detection of glioblastoma multiforme (GBM) in patients increases survival time. One subset of study participants consists of asymptomatic individuals who were diagnosed with GBM after undergoing a screening MRI of the brain. The other subset of... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man is brought to the emergency department 25 minutes after being involved in a high-speed motor vehicle collision in which he was the restrained driver. On questioning by the paramedics, he reported severe chest pain and mild dyspnea. On arrival, he is confused and unable to provide a histo... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A novel type of PET radiotracer is being developed to evaluate patients with Parkinson’s disease. A clinical research study has enrolled 1,200 patients, half of whom have the disease. The scan is found to be positive in 590 of the 600 patients with known PD, and positive in 20 of the 600 patients without ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man presents to a rheumatologist with bilateral wrist and knee pain that has been present for the last 10 years. The patient was a professional athlete who retired at age 50. He also notes morning stiffness in his joints that lasts approx. 50 minutes. He denies joint swelling, color changes ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old businessman who was previously well is brought into the emergency department by his assistant with a complaint of left-sided weakness after a chiropractic neck manipulation. He has never felt like this before. Past medical history is insignificant. His blood pressure is 125/75 mm Hg, pulse 8... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 19-year-old man comes to the physician with right-sided, dull, throbbing scrotal pain for 12 hours. He has also had a burning sensation on urination and increased urinary frequency for the past 3 days. He has not had urethral discharge. He is sexually active with one female partner an... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-month-old infant is brought to the office by his parents due to sudden nose bleeding without trauma of any kind. He has a 1-month history of multiple bruising that measures 1 cm in diameter each in the hands and feet, and tiny red spots that appeared in the upper and lower extremities without any trau... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old boy is brought to the physician by his mother because of a 2-day history of dysuria and increased urinary frequency. Vital signs are within normal limits. Urinalysis shows cloudy, red urine. This patient's clinical presentation is best explained by an infection with a virus with which of the ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old boy is brought to his pediatrician due to a left breast lump under his nipple. He noticed it last month and felt that it has increased slightly in size. It is tender to touch but has no overlying skin changes. There is no breast discharge. The patient has cryptorchidism as an infant and unde... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old Caucasian female presents to the emergency room with unilateral leg swelling. She reports that she developed painful left-sided leg swelling and redness earlier in the day. She is otherwise healthy and takes no medications. She denies any recent prolonged travel. She experienced a similar ep... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 78-year-old man is brought to the physician by his daughter because of increasing forgetfulness over the past 5 weeks. He had been living independently but came to live with his daughter temporarily after he complained that he was unable to perform some of his daily activities. He has left the front doo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 18-month-old boy is brought to the physician by his parents for evaluation of an abdominal mass noticed a few days ago. He appears markedly pale and lethargic. Examination shows a 6-cm, nonmobile mass in the left upper quadrant that crosses the midline. 24-hour urine collection shows ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A laboratory primarily involved with studying cellular proofreading mechanisms is investigating the question of whether the ribosome can recognize a mischarged amino acid and still be incorporated into the growing peptide. In order to do so, they biochemically charge a Lys-tRNA with valine instead of lysi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man with metastatic lung cancer has been experiencing severe, unremitting pain. He has required escalating doses of oral morphine, but is now having dose limiting side-effects. His pain management team recommends using a medication that can reduce his opioid need through interaction with the... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man presents to the emergency room complaining of left shoulder pain for several weeks. He says that the pain often worsens when he tries to sleep on his left side. Although he tried several pain medications, none of the pain medications helped. He is an amateur tennis player who practices o... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old woman presents to your office concerned that she has not had her menstrual period in 4 months. She states that menses began at age of 13 and has been regular until two months ago. She denies sexual activity, and urine pregnancy test is negative. On exam, she appears well-nourished with a BMI... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old college student presents to the clinic with a history of intermittent chest discomfort. He reports that, about once per month for the past 8 or 9 months, he's had episodes of "feeling like my chest is going to explode." During these episodes, he also feels shortness of breath, feels shakines... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A stillborn infant is delivered at 38 weeks' gestation to a 32-year-old woman. The mother had no prenatal care. Examination of the stillborn shows a small pelvis, shallow intergluteal cleft, and club feet. An x-ray shows the absence of the sacrum and lumbar vertebrae. Which of the following is the stronge... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Please refer to the summary above to answer this question The authors of the study have decided to conduct a follow-up analysis on their data. They decide to stratify their results by CD4+T-lymphocyte count at the time of diagnosis. Among patients with CD4+ cell counts below 200/mm3, cART adherence was a ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> During a Mycobacterium tuberculosis infection, Th1 cells secrete a factor capable of stimulating phagosome-lysosome fusion within macrophages. In addition, the secreted factors help activate macrophages to produce mediators such as NO, which are capable of destroying the invading pathogen. Furthermore, ac... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old boy is brought to the pediatrician because of abdominal pain and constipation for 3 weeks. His mother says he has been increasingly irritable recently. His vocabulary consists of 50 words and he does not use sentences. Physical examination shows pale conjunctivae and abdominal tenderness. He ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A group of researchers conducted a study to determine whether there is an association between folic acid supplementation before pregnancy and autism spectrum disorder (ASD) in offspring. The researchers retrospectively surveyed 200 mothers with children diagnosed with ASD during the first 4 years of life ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A student studying pharmacology is a member of a team that is conducting research related to the elimination of multiple anticoagulant medications. His duty as a member of the team is to collect serum samples of the subjects every 4 hours and send them for analysis of serum drug levels. He is also suppose... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old woman presents to her primary care physician for a checkup. She has felt weaker lately and has lost some weight. She denies any urinary issues. Her BUN at her last visit 4 months ago was 45 mg/dL, and her creatinine was 2.0 mg/dL. Her laboratory studies this visit are seen below: Hemoglobin:... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman comes to the obstetrics and gynecology clinic because she has been unsuccessfully trying to conceive with her husband for the last 2 years. He has had 2 children from a previous marriage and has been tested for causes of male infertility. She has had prior abdominal surgery as well as ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old girl with recurrent urinary tract infections is brought to the physician for a follow-up examination. Renal ultrasound shows bilateral dilation of the renal pelvis. A voiding cystourethrography shows retrograde flow of contrast into the ureters during micturition. Histologic examination of a ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> An unconscious 55-year-old man is brought to the Emergency Department by ambulance. He had recently lost his job and his house was about to begin foreclosure. His adult children were concerned for his well being and called the police requesting a welfare check. He was found unresponsive in his gurague. Th... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old girl comes to the physician because of an 8-month history of severe acne vulgaris over her face, upper back, arms, and buttocks. Treatment with oral antibiotics and topical combination therapy with benzoyl peroxide and retinoid has not completely resolved her symptoms. Examination shows oily... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old female presents for a follow-up appointment to discuss her ultrasound results. She presented with a lump in her neck 2 weeks ago. On examination, a thyroid nodule was present; the nodule was fixed, immobile, and non-tender. Ultrasound showed a hypoechoic nodule with a size of 2 cm. Histologi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old man presents to his primary care physician because he has been having severe headaches and fever for the last 2 days. He also says his right eyelid has been painlessly swelling and is starting to block his vision from that eye. He recently returned from a tour of the world where he visited T... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-year-old Caucasian female with Turner's syndrome underwent an abdominal imaging study and was discovered that the poles of her kidneys were fused inferiorly. Normal ascension of kidney during embryological development would be prevented by which of the following anatomical structures? ---- <<Choices:... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old woman is assaulted and suffers a number of stab wounds to her abdomen. Bystanders call paramedics and she is subsequently taken to the nearest hospital. On arrival to the emergency department, her vitals are T: 36 deg C, HR: 110 bpm, BP: 100/60, RR: 12, SaO2: 99%. A FAST and abdominal CT are... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> Researchers are studying the inheritance pattern of mutations in the cystic fibrosis transmembrane regulator (CFTR) gene, the gene responsible for cystic fibrosis. It is believed that, in addition to the commonly found ΔF508 mutation, a novel mutation in this gene is found in a particular population under... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman returns to the clinic to follow up on a recent abnormal cervical biopsy that demonstrated cervical intraepithelial neoplasia (CIN) I. The patient is quite anxious about the implications of this diagnosis. Her physical examination is within normal limits. Her vital signs do not show any... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A clinical researcher is interested in creating a new drug for HIV patients. Darunavir has been particularly efficacious in recent patients; however, some have experienced an increased incidence of hyperglycemia. A new drug called DN501 is developed with the same mechanism of action as darunavir but fewer... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old white man with hypertension and type 2 diabetes mellitus comes to the physician because of a 3-month history of a painless lesion on his lower lip. He has smoked one pack of cigarettes daily for 20 years. He has worked as a fruit picker for the past 25 years. His current medications include ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying the effect of drug X on the retinoblastoma (Rb) gene on chromosome 13 in endometrial cells. Endometrial cells obtained from study participants are plated on growth media and the distribution of cell cycle phase is measured with flow cytometry. Drug X, which is known to activate... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man presents with painless swelling of the neck over the past week. He also says he has been having intermittent fevers and severe night sweats which require a change of bed sheets the next day. His past medical history is significant for human immunodeficiency virus (HIV) diagnosed 10 years... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> In order to assess the feasibility and evaluate the outcomes of cerclage wiring as a supportive approach to osteosynthesis in femur fractures, a group of orthopedic surgeons studied 14 patients with primary and periprosthetic fractures of the thigh bone. Parameters such as patient demographic, type of imp... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old woman presents from home hospice with a change in her mental status. She has seemed more confused lately and is unable to verbalize her symptoms. Her temperature is 102°F (38.9°C), blood pressure is 117/65 mmHg, pulse is 110/min, respirations are 19/min, and oxygen saturation is 95% on room ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old female is brought to the emergency department after being found unconscious. The patient is found to have a blood glucose level of 35 mg/dL. Hgb A1c was found to be 5.1%. C-peptide level was found to be decreased. The patient returned to her baseline after glucose replacement. She states tha... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man presents to the physician with complaints of increased urinary frequency and decreasing volumes for the past 2 months. He does not complain of any pain during urination. He is frustrated that he has to wake up 2 or 3 times per night to urinate even though he tried reducing the amount of ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old woman with chronic tension headaches comes to the physician because of several episodes of bilateral flank pain and reddish urine within the past month. Current medications include aspirin, which she takes almost daily for headaches. Her temperature is 37.4°C (99.3°F) and her blood pressure ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old primigravid woman at 12 weeks' gestation comes to the emergency department because of vaginal bleeding and dull suprapubic pain for 3 hours. She has had spotting during the last 3 days. Her medications include folic acid and a multivitamin. She has smoked one pack of cigarettes daily for 15 ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old female accidentally eats a granola bar manufactured on equipment that processes peanuts. She develops type I hypersensitivity-mediated histamine release, resulting in pruritic wheals on the skin. Which of the following layers of this patient's skin would demonstrate histologic changes on bio... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old girl is brought to the emergency department with a persistent cough, fever, and vomiting. The past year the child has been admitted to the hospital 3 times with pneumonia. For the past 1 week, the child has been experiencing thick purulent cough and says that her chest feels ‘heavy’. Her stoo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old man seeks evaluation at a clinic with a complaint of breathlessness for the past couple of weeks. He says that he finds it difficult to walk a few blocks and has to rest. He also complains of a cough for the past 3 months, which is dry and hacking in nature. The medical history is relevant f... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2,300 g (5 lb) male newborn is delivered to a 29-year-old primigravid woman. The mother has HIV and received triple antiretroviral therapy during pregnancy. Her HIV viral load was 678 copies/mL 1 week prior to delivery. Labor was uncomplicated. Apgar scores were 7 and 8 at 1 and 5 minutes respectively. ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old woman presents to a physician for worsening shortness of breath and increasing abdominal distention over the last 3 months. She says that the shortness of breath is worse on exertion and improves with rest. While she could previously walk to the nearby store for her groceries, she now has to... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old girl comes to the physician because of episodic pelvic pain radiating to her back and thighs for 4 months. The pain occurs a few hours before her menstrual period and lasts for 2 days. She has been taking ibuprofen, which has provided some relief. Menses have occurred at regular 28-day inter... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old male is hospitalized for acute agitation, photophobia, and dysphagia. His parents report that he has been experiencing flu-like symptoms for one week prior to hospital admission. Five weeks ago, the patient was in Mexico, where he went on several spelunking expeditions with friends. The pati... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old Caucasian male presents to your office with hypopigmented skin. He undergoes a skin biopsy and is found to have an absence of melanocytes in the epidermis. Which of the following is the most likely diagnosis? ---- <<Choices:>> A) Tinea versicolor B) Albinism C) Vitiligo D) Melanoma ---- <<An... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 51-year-old man presents for a routine check-up. He has no complaints. At his last annual visit, his physical and laboratory tests were unremarkable. His past medical history is significant for hypercholesterolemia, well managed with rosuvastatin, and hypertension, well managed with hydrochlorothiazide.... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old woman is evaluated because of a 3-day history of headache, nausea, and decreased urination. Laboratory studies show: Serum Na+ 136 mEq/L K+ 3.2 mEq/L Cl- 115 mEq/L Mg2+ 1.4 mEq/L Urine pH 7.0 Arterial blood gas analysis on room air shows a pH of 7.28 and a HCO3- concentration of 14 mEq/L. Pr... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old male presents to his primary care provider for fatigue. He reports that he graduated from college last month and returned 3 days ago from a 2 week vacation to Vietnam and Cambodia. For the past 2 days, he has developed a worsening headache, malaise, and pain in his hands and wrists. The pati... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> Three days after admission to the intensive care unit for septic shock and bacteremia from a urinary tract infection, a 34-year-old woman has persistent hypotension. Her blood cultures are positive for Escherichia coli, for which she has been receiving appropriate antibiotics since admission. She has no h... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 11-year-old child complains of pain in the leg while playing. Blood pressure in the upper limb is 140/90 mm Hg and lower limbs are 110/70 mm Hg. There is a brachiofemoral delay in the pulse. Auscultation shows a loud S1, loud S2, and S4. There is a presence of an ejection systolic murmur in the intersc... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old man comes to the emergency department because of excruciating left knee pain for 4 days. He underwent a total knee arthroplasty of his left knee joint 4 months ago. He has hypertension and osteoarthritis. Current medications include glucosamine, amlodipine, and meloxicam. His temperature is ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old man presents to the emergency department with fever, fatigue, and loss of appetite for 1 week, followed by right shoulder pain, generalized abdominal pain, and paroxysmal cough. He has had diabetes mellitus for 15 years, for which he takes metformin and gliclazide. His vital signs include a ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old recent immigrant from India presents with a face similar to that seen in the image A. Examination of his face reveals skin that is thick and contains many lesions. The patient complains that he has experienced a loss of sensation in his toes and fingertips, which has caused him to injure him... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man comes to the physician because of a 3-month history of a progressively growing mass in his axilla. During this period, he has had recurrent episodes of low-grade fever lasting for 7 to 10 days, and an 8-kg (18-lb) weight loss. His only medication is a multivitamin. Physical examination s... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man comes to the physician for a pre-employment examination. He recently traveled to Guatemala. He feels well but has not seen a physician in several years, and his immunization records are unavailable. Physical examination shows no abnormalities. Serum studies show: Anti-HAV IgM Positive An... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-month-old male infant is brought to the pediatrician by his mother. She reports that the child develops severe sunburns every time the infant is exposed to sunlight. She has applied copious amounts of sunscreen to the infant but this has not helped the problem. On examination, there are multiple areas... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man presents to his primary care physician with a neck mass. He first noticed a firm mass on the anterior aspect of his neck approximately 4 months ago. The mass is painless and has not increased in size since then. He has also noticed occasional fatigue and has gained 10 pounds in the past ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A group of researchers decided to explore whether the estimates of incidence and prevalence rates of systemic lupus erythematosus (SLE) were influenced by the number of years it took to examine administrative data. These estimates were not only based on hospital discharges, but also on physician billing c... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old Caucasian female presents to her primary care physician for evaluation of progressive weakness and shortness of breath. She has had progressive shortness of breath over the last year with an intermittent non-productive cough. In addition, she complains of difficulty raising her arms to brush... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 46-year-old man presents to the physician with a complaint of a cough for 6 months. He has been taking over-the-counter cough medications, but they have not helped much. He adds that he expectorated bloody sputum the previous night. He denies breathlessness but mentions that he frequently experiences fa... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 41-year-old man presents to his primary care provider with abdominal pain. He says that the pain “comes and goes” throughout the day and usually lasts 20-30 minutes per episode. He can point to the spot 1-2 inches above the umbilicus where he feels the pain. He denies any feeling of regurgitation or nig... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-year-old female presents to the pediatrician for a routine office visit. The patient is in kindergarten and doing well in school. She is learning to read and is able to write her first name. Her teacher has no concerns. The patient’s mother is concerned that the patient is a picky eater and often retu... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 61-year-old man was started on rosuvastatin 40 mg 8 weeks ago and presents today for a follow-up. He complains of pain in his legs and general weakness. On physical exam, he has full range of motion of his extremities but complains of pain. His blood pressure is 126/84 mm Hg and heart rate is 74/min. Th... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An unidentified surgical specimen is received for histopathologic analysis. A portion of the specimen is cut and stained with hematoxylin and eosin. The remainder is analyzed and is found to contains type II collagen and chondroitin sulfate. Which of the following structures is most likely the origin of t... | D |
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