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Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old man presents to the clinic accompanied by his father, with the complaints of high fever, sore throat, and bloody diarrhea for 4 days. He adds that he is also nauseous and vomited several times in the past 2 days. He denies any recent travel or eating outside. He recently started a dog-walkin... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old man with no significant past medical, surgical, social, or family history presents to the clinic with an itchy rash. His review of systems is otherwise negative. The patient’s blood pressure is 119/80 mm Hg, the pulse is 83/min, the respiratory rate is 15/min, and the temperature is 36.8°C (... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-month-old boy is brought to the physician by his father because of a progressively worsening rash on his buttocks for the last week. He cries during diaper changes and is more fussy than usual. Physical examination of the boy shows erythematous papules and plaques in the bilateral inguinal creases, on... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> Four days after undergoing a Whipple procedure for newly-diagnosed pancreatic cancer, a 65-year-old man has shortness of breath. His surgery was complicated by bleeding for which he required intraoperative transfusion with 4 units of packed red blood cells and 1 unit of platelets. His temperature is 38.8°... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old boy is brought to the pediatric emergency department after having an accident at school. According to his parents, he punched a student in the mouth, which caused a deep laceration to his hand. The child’s past medical history is unremarkable and all of his vaccines are current. A physical ex... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old male presents for counseling by a psychologist mandated by the court. The patient explains that he does not mean to hit his wife when they are arguing, but something just comes over him that he cannot control. Upon further discussion, the patient reveals that his father was incarcerated seve... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old girl presents to her pediatrician with vaginal bleeding and abdominal pain. The patient states that this has happened sporadically over the past 4 months. She is currently experiencing these symptoms and has soaked through 1 pad today. She denies being sexually active or using any illicit su... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old man is physically and verbally abusive towards his wife and two children. When he was a child, he and his mother were similarly abused by his father. Which of the following psychological defense mechanisms is this man demonstrating? ---- <<Choices:>> A) Identification B) Distortion C) Projec... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old man presents to his primary care provider complaining of smelling abnormal odors on several occasions. He says that he smells burnt rubber even though there is nothing burning and no one around him can smell what he does. This symptom has been intermittently bothering him for the past 6 mont... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man presents to the emergency department with back pain. He states that it started yesterday and has been gradually getting worse. He states that the pain is worsened with moving and lifting and is relieved with rest and ibuprofen. He has a past medical history of smoking and IV drug abuse a... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old nulliparous woman comes to the physician because of a 6-month history of heavy, prolonged bleeding with menstruation, dyspareunia, and cyclical abdominal pain. Menses previously occurred at regular 28-day intervals and lasted 4 days with normal flow. Pelvic examination shows an asymmetricall... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old girl presents with a rash on her body. Patient’s mother says she noticed the rash onset about 5 hours ago. For the previous 3 days, she says the patient has had a high fever of 39.0°C (102.2°F). Today the fever abruptly subsided but the rash appeared. Vitals are temperature 37.0°C (98.6°F), b... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> On a Sunday afternoon, a surgical oncologist and his family attend a football game in the city where he practices. While at the game, he runs into a physician colleague that works at the same institution. After some casual small talk, his colleague inquires, "Are you taking care of Mr. Clarke, my personal... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old Caucasian man comes to the physician because of progressive fatigue, shortness of breath, and leg swelling for the past 4 months. He has to pause several times when climbing one flight of stairs. For the past 10 years, he has had joint pain in his hands, wrists, and knees. He has diabetes me... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 83-year-old male presents to the emergency department with altered mental status. The patient’s vitals signs are as follows: temperature is 100.7 deg F (38.2 deg C), blood pressure is 143/68 mmHg, heart rate is 102/min, and respirations are 22/min. The caretaker states that the patient is usually incon... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old woman presents to the clinic with a 1-month history of a ‘pounding’ in her head and neck and swelling of her feet. She has frequent episodes of diffuse wheezing that occur sporadically without known triggers and last for 1–2 hours. She was recently prescribed albuterol by an external physici... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> An 8-year old boy with no past medical history presents to the emergency room with 24-hours of severe abdominal pain, nausea, vomiting, and non-bloody diarrhea. His mom states that he has barely eaten in the past 24 hours and has been clutching his abdomen, first near his belly button and now near his rig... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man with diabetes mellitus type 2 presents for a routine follow-up. His blood glucose levels have been inconsistently controlled with metformin and lifestyle modifications since his diagnosis 3 years ago. He is currently is on metformin and diet control with exercise. The vital signs are as ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old primigravida schedules an appointment with her obstetrician for a regular check-up. She says that everything is fine, although she reports that her baby has stopped moving as much as previously. She is 22 weeks gestation. She denies any pain or vaginal bleeding. The obstetrician performs an ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old man presents to the physician because of low-back pain for 6 months. The pain is more localized to the left lower back and sacral area. It is constant without any radiation to the leg. He has no significant past medical history. He takes ibuprofen for pain control. His father developed a bon... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old man is admitted to hospital with a 1-week history of productive bloody cough, weight loss, and nocturnal sweats. He is of a lower socioeconomic status and has a history of alcohol and drug abuse. On physical examination his vital signs are as follows: blood pressure is 130/70 mm Hg, heart ra... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man presents to his primary care physician with complaints of intermittent dysuria, pain with ejaculation, mild lower abdominal pain, and difficulty voiding for the last four months. There is no weight loss or change in stools. He has no known family history of cancer. His past medical histo... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old woman presents with a mass in her left breast. She says she discovered the mass during a monthly self-examination 3 months ago and has been 'watching it' since that time. She believes the mass has enlarged since she first discovered it. The patient denies any ulceration, weight loss, fatigue... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old female presents to her primary care doctor complaining of new onset blurry vision. She first noticed her vision getting blurry toward the end of the day several days ago. Since then, she reports that her vision has been fine when she wakes up but gets worse throughout the day. She has also n... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old woman comes to the physician for a follow-up examination after a recent change in her medication regimen. She reports that she feels well. She has type 2 diabetes mellitus, hyperlipidemia, hypertension, essential tremor, and chronic back pain. Current medications are metformin, glyburide, pr... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman presents to the clinic with complaints of missing her 'monthlies'. She usually has her menses are around the 15th of every month and they last for about 4 days. She is not on any birth control and has recently gotten into a relationship with a boy from college. She is on lithium for ma... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 31-year-old woman comes to the physician because she thinks that her “right wrist is broken.” She says that she has severe pain and that “the bone is sticking out.” She has not had any trauma to the wrist. Her medical records indicate that she was diagnosed with schizophrenia 2 years ago and treated wit... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old male presents to his primary care physician complaining of a chronic cough. He reports a six-month history of progressively worsening cough and occasional hemoptysis. He has lost ten pounds over the same time frame. His medical history is notable for hypertension, hyperlipidemia, and diabete... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old man comes to the physician because of an ulcer on his penis that he first noticed 4 days ago. He is currently sexually active with multiple male partners and uses condoms inconsistently. Genital examination shows a shallow, nontender ulcer with a smooth base and indurated border along the sh... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man comes to the physician for a follow-up examination. He has chronic obstructive pulmonary disease and was recently discharged from the hospital for an exacerbation. His cough and chills have since improved, but his mobility is still severely limited by dyspnea and fatigue. He smoked 2 pac... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old woman presents to her primary care provider with colicky left flank pain that radiates to her groin. She appears to be in significant distress and is having trouble getting comfortable on the exam table. She and her mother both have a history of calcium oxalate kidney stones. She has a past ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old man is brought to the clinic by his wife insisting that her husband has been acting strange lately. He is a dentist by profession and has no known medical conditions. For the past 6 weeks, he has insisted on listening to the 6 PM news on the radio. He is adamant that the news anchor is refer... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old female presents to the emergency department with high fever, productive cough, and hemoptysis. She says that she has also been getting red tender bumps under the skin as well as joint pain. She believes that her symptoms started a few days after a small earthquake hit near her hometown and w... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> During the obstetric clerkship, the doctor is observing a 3rd-year resident assist a delivery. The patient only had 1 prenatal ultrasound that reported a male fetus. The delivery progresses without complications. The pediatrician-in-charge of the newborn notices a short, broad, upturned penis with an orif... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman comes to the physician because of a 4-month history of irritability and frequent bowel movements. During this time, she has had a 6.8-kg (15-lb) weight loss. She has not had a change in appetite or diet. She takes no medications. Her temperature is 37.4°C (99.4°F), pulse is 112/min, re... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old man presents to the emergency department for evaluation of a pulsatile headache, palpitations, chest pain, and anxiety. The vital signs include: heart rate 90/min, blood pressure 211/161 mm Hg, and respiration rate 18/min. His fundoscopic exam is remarkable for papilledema. An urgent urinaly... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-month-old boy is brought to the emergency department by his mother because his lips turned blue for several minutes while playing earlier that evening. She reports that he has had similar episodes during feeding that resolved quickly. He was born at term following an uncomplicated pregnancy and delive... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old woman comes to the physician because of progressive weight loss for 3 months. Physical examination shows jaundice and a nontender, palpable gallbladder. A CT scan of the abdomen shows an ill-defined mass in the pancreatic head. She is scheduled for surgery to resect the pancreatic head, dist... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old G1P0 woman at 14 weeks estimated gestational age presents for prenatal care. She has no complaints. No significant past medical history. The patient is afebrile and vital signs are within normal limits. Physical examination is unremarkable. Laboratory findings are significant for the followi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old female is evaluated by her physician for recent weight gain. Physical examination is notable for truncal obesity, wasting of her distal musculature and moon facies. In addition she complains of abnormal stretch marks that surround her abdomen. The physician suspects pituitary adenoma. Which ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old man presents to his physician 6 months after experiencing a myocardial infarction. The patient currently denies any symptoms and is only in for a check up. The patient's past medical history is notable for diabetes (type II), obesity, hypertension and cyclothymia. His current medications are... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old woman comes to the physician with increasing jaundice and fatigue for the past week. She has no history of a serious illness. She takes no medications and denies use of recreational drugs. She does not drink alcohol. Her vital signs are within normal limits. Her body mass index is 21 kg/m2. ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old female presents at 24 weeks gestation with a chief complaint of burning upon urination. On physical exam, you note a gravid uterus that extends above the umbilicus. A urine analysis and culture is sent demonstrating over 100,000 colony forming units of E. coli. Of note this patient had a sim... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> n 18-month-old toddler is brought to the pediatrician by her mother for cough. The mother reports that her daughter has had a productive-sounding cough and runny nose for the past 2 days. She has also noticed that her daughter feels warm. On chart review, this is the 4th time this patient is presenting fo... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year old man presents to his primary care physician complaining of a dark spot on his left thigh. He says that he first noticed the spot about 3 years ago when he went to the beach with his family; however, at the time it was very small and he didn't think that it was worth mentioning. Since then, it... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old African American male is admitted to the hospital following a recent diagnosis of systemic histoplasmosis and subsequently treated with an intravenous anti-fungal agent. During the course of his hospital stay, he complains of headaches. Work-up reveals hypotension, anemia, and elevated BUN a... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> An otherwise healthy 13-year-old boy is brought to the physician because of asthma attacks that have been increasing in frequency and severity over the past 4 weeks. He was first diagnosed with asthma 6 months ago. Current medications include high-dose inhaled fluticasone and salmeterol daily, with additi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old man is brought to the emergency department because of abdominal pain, dizziness, shortness of breath, and swelling and pruritus of the lips, tongue, and throat for 1 hour. The symptoms began minutes after he started eating a lobster dinner. It is determined that his symptoms are due to surfa... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man comes to the physician because of a skin lesion on his nose. The patient has had the lesion for 11 months and it has increased in size over the past few months. He is a farmer and lives together with his wife. His mother died of metastatic melanoma at the age of 67 years. The patient has... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old man presents to a physician with the complaint of pain in the thigh after walking. He says that he is an office clerk with a sedentary lifestyle and usually drives to his office. On 2 occasions last month he had to walk to his office, which is less than a quarter of a mile from his home. On ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old woman comes to the physician because of a 1-month history of palpitations. She does not smoke or drink alcohol. Her pulse is 136/min and irregularly irregular. An ECG shows irregularly spaced QRS complexes with no distinct P waves. Treatment is started with a drug that slows atrioventricular... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old male presents to the hospital complaining of frequent headaches and a decreased libido. During the physical exam, the patient also states that he has recently been experiencing vision problems. The patient is suffering from what type of adenoma? ---- <<Choices:>> A) Lactotroph B) Corticotrop... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man presents for evaluation of an adrenal nodule, which was accidentally discovered while performing a computerized tomography (CT) scan of the abdomen for recurrent abdominal pain. The CT was negative except for a 3 cm low-density, well-circumscribed nodule in the left adrenal gland. He rep... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old woman presents to an urgent care clinic with the complaints of bloody diarrhea, mid-abdominal discomfort, and cramping for 3 days. She also has nausea, vomiting, and fever. She reports that she had eaten raw oysters at a local seafood restaurant almost 3 days ago, but she denies any other po... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> The parents of a newly adopted 5-year-old child brought him to the pediatrician after he started to have bouts of diarrhea and bloating. His symptoms are worse after consuming dairy products and ice cream. The immunization history is up to date. His height and weight are in the 60th and 70th percentiles, ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old man presents to the emergency room after a suicidal gesture following a fight with his new girlfriend. He tearfully tells you that she is “definitely the one," unlike his numerous previous girlfriends, who were "all mean and selfish” and with whom he frequently fought. During this fight, his... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> Two weeks after hospitalization for acute psychosis, a 27-year-old woman with a history of paranoid schizophrenia comes to the physician because of difficulty walking and shaking movements of her hands. Current medications include fluphenazine, which was started during her recent hospitalization. Examinat... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old man is brought to the emergency department 30 minutes after being involved in a high-speed motor vehicle collision in which he was the unrestrained driver. After extrication, he had severe neck pain and was unable to move his arms and legs. On arrival, he is lethargic and cannot provide a hi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man is brought to the emergency department because of a 1-day history of fever and disorientation. His wife reports that he had abdominal pain and diarrhea the previous day. He drinks 60 oz of alcohol weekly. His pulse is 110/min and blood pressure is 96/58 mm Hg. Examination shows jaundice,... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 10-year-old boy is brought to the physician by his parents because they are concerned about his “strange behavior”. The boy was born at 39 weeks gestation via spontaneous vaginal delivery. He is up to date on all vaccines and is meeting all developmental milestones. The parents state that he has always ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A pathologist receives a skin biopsy specimen from a patient who is suspected to have developed graft-versus-host disease (GVHD) following allogeneic stem-cell transplantation. The treating physician informs the pathologist that he is specifically concerned about the diagnosis as the patient developed ski... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old woman is brought to the emergency department following a motor vehicle collision. She has significant pain and weakness in her right arm and hand. Physical examination shows multiple ecchymoses and tenderness in the right upper extremity. She is able to make a fist, but there is marked decre... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old woman is brought to the emergency department because of confusion and agitation. She was brought by police after she was found walking along a highway. The patient's brother comes to join her soon after her arrival. He says she has peptic ulcer disease and hypertension. He thinks she drinks ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-year-old boy is brought to his primary care physician because he has been tripping and falling frequently over the past 2 months. He says that he feels like he loses his balance easily and finds it difficult to walk in tight spaces such as his school hallways. Furthermore, he says that he has been ex... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man with a 1-year history of recurrent aspiration pneumonia is brought to the emergency department by his daughter after being found unconscious and gasping for air in his bed. Despite resuscitative efforts, the patient dies. Autopsy of the patient shows degeneration of the corticospinal tra... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man presents to the emergency room complaining of a painful, swollen tongue that is making it hard to talk and swallow. The patient denies trauma, trouble breathing, and skin rashes. The patient has no known allergies and a minimal past medical history, except for newly diagnosed hypertensio... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old man comes to the emergency department because of chest pain. The pain occurs intermittently in 5-minute episodes. It is not conclusively brought on by exertion and sometimes occurs at rest. He has a history of hyperlipidemia and takes a high-dose statin daily. His father died of lung cancer ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-year-old boy is referred to an immunologist because of episodes of recurrent infections. He complains of ear pain, nasal discharge, congestion, and headache. His medical history is significant for neonatal sepsis, recurrent bronchitis, and otitis media. The boy also had pneumocystis pneumonia when he ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man presents to the emergency department for a loss of vision. He was outside gardening when he suddenly lost vision in his right eye. He then immediately called emergency medical services, but by the time they arrived, the episode had resolved. Currently, he states that he feels fine. The p... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old woman comes to the physician because of a 3-month history of upper midthoracic back pain. The pain is severe, dull in quality, and worse during the night. Ten months ago, she underwent a modified radical mastectomy for invasive ductal carcinoma of the right breast. Physical examination shows... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old woman comes to the emergency department because of a 3-hour history of right flank pain and nausea. Her only medication is a multivitamin. Her vital signs are within normal limits. Physical examination shows tenderness in the right costovertebral angle. Urinalysis shows a pH of 5.1, 50–60 RB... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old woman presents to the emergency department when she was found yelling and screaming outside a bowling alley. The patient was found smoking marijuana and eating pizza while stating “if I'm going to die I'm going to die happy.” She was brought in by police and has been compliant since her arri... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old gentleman presents to his primary care physician with complaints of persistent headaches and general weakness. He was recently diagnosed with severe hypertension that has been refractory to anti-hypertensive medications. Based on clinical suspicion, a basic metabolic panel is obtained which ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old woman with HIV infection is brought to the emergency department 20 minutes after she had a generalized tonic-clonic seizure. She appears lethargic and confused. Laboratory studies show a CD4+ count of 89 cells/μL (N > 500). A CT scan of the head with contrast shows multiple ring-enhancing le... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A scientist is studying the process of thymus-dependent B cell activation in humans. He observes that, after bacterial infections, the germinal centers of secondary lymphoid organs become highly metabolically active. After subsequent reinfection with the same pathogen, the organism is able to produce immu... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old woman presents to the physician because of a persistent rash on her right nipple for 1 month. The rash has persisted despite topical medication. She has no personal or family history of any serious illnesses. Other medications include oral contraceptive pills. She is single and has never had... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old woman comes to the physician because of a 2-month history of persistent pain in her right shoulder. The pain is localized to the top of the shoulder and is worse with movement. She has stiffness in the right shoulder that is worse in the morning and usually lasts 20 minutes. The patient repo... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 66-year-old male presents to the outpatient cardiology clinic for evaluation of suspected primary hypertension. His blood pressure is elevated to 169/96 mm Hg, and his heart rate is 85/min. Physical examination reveals an overweight male with regular heart and lung sounds. Following repeated elevated bl... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A group of scientists studying the properties of muscle cells in vitro decide to conduct an experiment to observe their distinguishing properties. 3 types of muscle cells isolated from human tissues are labeled as X, Y, and Z and placed in physiological solutions alongside controls X’, Y’ and Z’. Antibodi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old girl presents with her mother for a well-child checkup. Recent laboratory data has demonstrated a persistent normocytic anemia. Her mother denies any previous history of blood clots in her past, but she says that her mother has also had to be treated for pulmonary embolism in the recent past,... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old woman presents to the primary care physician with complaints of urinary leakage over the last 2 months. History reveals that the leakage occurred when she sneezed, laughed, or coughed. Her menopause occurred 11 years ago and she is a mother of 3 children. Vital signs include blood pressure 1... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old boy with Down syndrome is admitted to the hospital because of a 2-week history of pallor, easy bruising, and progressive fatigue. He has a history of acute lymphoblastic leukemia that has been in remission for 2 years. Examination shows cervical and axillary lymphadenopathy. Bone marrow biop... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man, accompanied by his wife, presents to his physician with cognitive decline and hallucinations. The patient’s wife tells that his cognitive impairment progressed gradually over the past 6 years, and first began with problems counting and attention. The hallucinations began approximately a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 14-year-old Somalian boy is brought to the emergency department by his mother because of a painful penile erection since he woke up 3 hours ago. His family recently emigrated to the United States from a refugee camp, and his past medical history is unknown. He has never had a health check up prior to th... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old female presents to your office with a 1-year history of dry eyes and difficulty swallowing. She complains of blinking frequently and of eye strain while using her computer at work. She also reports stiffness in her knees and lower back. Past medical history is unremarkable and she does not t... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 13-year-old boy is brought to the emergency room by his mother for a generalized tonic-clonic seizure that occurred while attending a laser light show. The patient’s mother reports that he has been otherwise healthy but states, “he often daydreams”. Over the past several months, he has reported recurren... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 81-year-old woman presents to her physician complaining of occasional right-sided weakness in her arm and leg. She reports 3 such episodes over the last 6 months, each lasting only 1 hour and not significantly affecting her daily functioning. The patient denies numbness and tingling, pain, weakness in ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old woman comes to the office complaining of 2 weeks of urinary incontinence. She says she first noticed some light, urinary dribbling that would increase with sneezing or coughing. This dribble soon worsened, soaking through a pad every 3 hours. She denies any fevers, chills, abdominal pain, he... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A biology graduate student is performing an experiment in the immunology laboratory. He is researching the recombination activation genes RAG1 and RAG2 in order to verify the function of these genes. He then decides to carry out the experiment on knock-out mice so that these genes will be turned off. Whic... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> Please refer to the summary above to answer this question Which of the following is most appropriate to confirm the diagnosis in this patient?" "Patient information Age: 62 years Gender: F, self-identified Ethnicity: unspecified Site of care: office History Reason for Visit/Chief Concern: “My cough is get... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-year-old girl is brought to the physician by her parents because of difficulty at school. She does not listen to her teachers or complete assignments as requested. She does not play or interact with her peers. The girl also ignores her parents. Throughout the visit, she draws circles repeatedly and av... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 74-year-old Hispanic man comes to the physician because of a three-week history of dizziness upon standing and a brief loss of consciousness one hour ago. The patient suddenly collapsed on his way to the bathroom after waking up in the morning. He did not sustain any injuries from his collapse. He has a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 41-year-old man presents to his primary care provider complaining of a blistering skin rash. He was out in the sun with his family at a baseball game several days ago. Later that evening he developed a severe blistering rash on his forearms, back of his neck, and legs. He denies fevers, chills, malaise,... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old male presents to your office with complaints of chronic insomnia. After reviewing his medical history, you decide to prescribe zolpidem. Which of the following is a valid reason to choose zolpidem over a benzodiazepine? ---- <<Choices:>> A) Zolpidem does not bind to the GABA receptor B) Zolp... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> You are conducting a systematic review on the effect of a new sulfonylurea for the treatment of type II diabetes. For your systematic review you would like to include 95% confidence intervals for the mean of blood glucose levels in the treatment groups. What further information is necessary to abstract fr... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 35-year-old woman comes to the physician for the evaluation of fatigue and dizziness for the past 2 months. During this period, she has also had mild upper abdominal pain that is not related to food intake. She has no personal or family history of serious illness. She immigrated to the United States fro... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A researcher faces the task of calculating the mean height of male students in an undergraduate class containing a total of 2,000 male students and 1,750 female students. The mean height of a sample of male students is computed as 176 cm (69.3 in), with a standard deviation of 7 cm (2.8 in). The researche... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old man presents to a fertility specialist. He is concerned that he is infertile. His wife had two children from a previous marriage and has regular menses. They have been married three years and have been trying to conceive for the past two. His vitals are normal. Physical exam reveals bilatera... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man comes to the physician because of left-sided knee pain for 2 weeks. The pain started while playing basketball after suddenly hearing a popping sound. He has been unable to run since this incident. He has asthma, allergic rhinitis, and had a progressive bilateral sensorineural hearing imp... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old Caucasian female presents with truncal obesity, a rounded "moon face", and a "buffalo hump". Serum analysis shows hyperglycemia. It is determined that a pituitary adenoma is the cause of these symptoms. Adrenal examination is expected to show? ---- <<Choices:>> A) Atrophy of the adrenal cort... | B |
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