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Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 15-year-old girl is brought to the emergency department 24 hours after the onset of a severe headache. She returned from a 1-week camping trip 3 days ago; she went spelunking and swimming in a freshwater lake during the trip. She is agitated, uncooperative, and oriented only to person... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man is brought to the emergency department 25 minutes after falling and hitting his left flank on a concrete block. He has severe left-sided chest pain and mild shortness of breath. He underwent a right knee replacement surgery 2 years ago. He has type 2 diabetes mellitus. He has smoked one ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman presents to her primary care physician because she has been experiencing occasional fevers and chills for the last 3 weeks. She says that the fevers have been accompanied by abdominal pain and increased vaginal discharge. On presentation her temperature is 101.0°F (38.3°C), blood press... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old man comes to the physician because of a 3-week history of right-sided knee pain. He works as a bricklayer and reports that the pain worsens when he kneels. He has no history of trauma. Examination of the right knee shows erythema, fluctuant swelling, and tenderness on palpation of the kneeca... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old woman presents with anxiety. She says that, for as long as she can remember, she has been anxious, especially when at work or in social situations, which she has difficulty controlling. She also reports difficulty sleeping, irritability, and muscle tension. She says her symptoms have signifi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old man presents to his physician with a complaint of a 4-week history of headaches that is affecting his academic performance. Over-the-counter medications do not seem to help. He also mentions that he has to raise his head each time to look at the board when taking notes. His blood pressure is... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 41-year-old woman presents with acute onset severe epigastric pain radiating to the back that began a few hours ago. She also complains of nausea and has vomited twice in the past hour. She denies any history of similar symptoms or trauma in the past. Past medical history is significant for diabetes typ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old woman presents to the emergency department with sudden onset of painful vision loss in her left eye. The patient is otherwise healthy with a history only notable for a few emergency department presentations for numbness and tingling in her extremities with no clear etiology of her symptoms. ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old man is taken to the emergency department by local law enforcement after they witnessed him physically assaulting a complete stranger. The officers report that they saw his eyes “moving back and forth quickly” and noted that he was very red-faced. The patient has no significant past medical o... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 73-year-old man presents to his primary care physician endorsing 4-5 days of decreased urinary output and mild shortness of breath. He has a complex medical history, including uncontrolled diabetes mellitus type 2, hypertension, chronic kidney disease, and end-stage emphysema. It is determined that his ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old man with HIV and a recent CD4+ count of 800 presents to his PCP with fever, cough, and dyspnea. He notes that he recently lost his job as a construction worker and has not been able to afford his HAART medication. His temperature is 102.6°F (39.2°C), pulse is 75/min, respirations are 24/min,... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 49-year-old woman is brought to the emergency department by her daughter because of increasing arthralgia, headache, and somnolence for the past week. She has a history of systemic lupus erythematosus without vital organ involvement. She last received low-dose glucocorticoids 2 months ago. Her temperatu... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old woman comes to the physician because of a 1-year history of intermittent buzzing in both her ears. She says she sometimes has episodes of mild dizziness which resolve spontaneously. She has a 15-year history of type 1 diabetes mellitus and episodes of low back pain. She does not smoke or dri... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man comes to the physician for a 2-month history of abdominal discomfort, fatigue, and increased urinary frequency, especially at night. He has also noticed that despite eating more often he has lost 14-lbs (6-kg). He has a congenital solitary kidney and a history of Hashimoto thyroiditis, f... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 77-year-old man is brought to his primary care physician by his daughter. She states that lately, his speech has been incoherent. It seemed to have started a few weeks ago and has been steadily worsening. He is otherwise well; however, she notes that she has had to start him on adult diapers. The patien... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old man comes to the physician because of a painless swelling on the left side of his jaw for 2 months. It has been progressively increasing in size and is draining thick, foul-smelling fluid. He had a molar extracted 3 months ago. Examination shows a 4-cm, tender, erythematous mass in the left ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 20-month-old boy is brought to the emergency department by his parents with fever and diarrhea that have persisted for the past 2 days. He has a history of repeated bouts of diarrhea, upper respiratory tract infections, and failure to thrive. His vital signs are as follows: blood pressure 80/40 mm Hg, p... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man seeks evaluation by a physician with complaints of worsening forgetfulness and confusion for 1 year. According to his wife, he has always been in good health and is generally very happy; however, he has started to forget important things. He recently had his driving license revoked becau... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman is brought to the emergency department after a suicide attempt. Her mother found her next to an empty bottle of acetaminophen in the bathroom. The patient reports that she ingested about twenty-five 500 mg pills. She took the pills 1 hour prior to arrival to the emergency department. S... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old woman is brought to the physician by her husband because she cries frequently and refuses to get out of bed. Over the past 3 weeks, she has been feeling sad and tired most of the time. She has difficulty staying asleep at night and often wakes up early in the morning. After losing her job as... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-month-old girl with a previous diagnosis of DiGeorge syndrome is brought to the emergency department with her parents following a seizure. Her mother states that the baby had been inconsolable all day and refused to feed. She was born at 39 weeks gestation via spontaneous vaginal delivery. She is up t... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2900-g (6.4-lb) male newborn is delivered at term to a 29-year-old primigravid woman. His mother had no routine prenatal care. She reports that the pregnancy was uncomplicated apart from a 2-week episode of a low-grade fever and swollen lymph nodes during her early pregnancy. She has avoided all routine... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old girl is brought to the physician for a well-child examination. There is no personal or family history of serious illness. She is at the 90th percentile for height and weight. Vital signs are within normal limits. Examination shows enlarged breast buds that extend beyond the areola. There is c... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old female presents to the emergency room with dry cough and malaise. She has no other complaints. She has a past medical history of a meningioma status post resection complicated by hemiplegia and has been managed with dexamethasone for several months. Her vital signs are T 100.4 F (38 C), O2 9... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> You are called to see a chemotherapy patient who is complaining of severe nausea. This patient is a 52-year-old male with acute lymphoblastic leukemia (ALL) who began his first cycle of chemotherapy 2 days ago. Which of the following structures is involved in the pathway responsible for this patient's nau... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old tow truck driver presents to the emergency room in the middle of the night complaining of sudden onset right ankle pain. He states that the pain came on suddenly and woke him up from sleep. It was so severe that he had to call an ambulance to bring him to the hospital since he was unable to ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old man with a history of diabetes mellitus presents with complaints of fatigue. He lives alone and has not seen a doctor in 10 years. He does not exercise, eats a poor diet, and drinks 1-2 beers per day. He does not smoke. He has never had a colonoscopy. Labs show a hemoglobin of 8.9 g/dL (norm... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old woman, gravida 3, para 3, comes to the physician for a follow-up examination. She gave birth to her third child 8 months ago and now wishes to start a contraception method. Prior to her most recent pregnancy, she used a combined estrogen-progestin pill. Which of the following aspects of her ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old boy is brought to the physician by his mother because of 4 months of strange behavior. She says that during this period, he has had episodic mood swings. She has sometimes found him in his room “seemingly drunk” and with slurred speech. These episodes usually last for approximately 15 minute... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 40-year-old woman comes to the physician because of a small lump on the right side of her neck that she noticed while putting lotion on 1 week ago. She does not have any weight change, palpitations, or altered bowel habits. There is no family history of serious illness. Menses occur at regular 30-day in... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old woman, gravida 2, para 1, at 26 weeks' gestation comes to the emergency department because of a gush of clear fluid from her vagina that occurred 1 hour prior. She reports painful pelvic cramping at regular 5-minute intervals. She has missed most of her prenatal care visit because of financi... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old woman comes to the physician because of a 3-week history of pain in her right knee. The pain is worse at the end of the day and when she walks. She says that it has become difficult for her to walk up the flight of stairs to reach her apartment. She has hypertension and psoriasis. Her sister... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-year-old female with no past medical history is found to have an abnormal cardiovascular exam during routine physical examination at her pediatrician’s office. All other components of her physical exam are normal. During evaluation for potential causes for her abnormal exam, an echocardiogram with do... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> As part of a clinical research study, microscopic analysis of tissues obtained from surgical specimens is performed. Some of these tissues have microscopic findings of an increase in the size of numerous cells within the tissue with an increase in the amount of cytoplasm, but the nuclei are uniform in siz... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man comes to the physician because of a 3-year history of urinating up to 20 times each day. He has not had any dysuria and nocturia. He has been evaluated by several urologists but has not received a specific diagnosis despite extensive diagnostic testing. Various pharmacologic treatments h... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old woman is brought to the emergency department of a busy suburban hospital because of a 1-week history of nausea and vomiting. She also has had intermittent fevers and headaches during the past 5 weeks. She does not have a stiff neck or sensitivity to light. She appears tired. Her temperature ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 74-year-old woman with a past medical history of hypertension, peripheral artery disease, and migraine headaches presents to the emergency department with a two hour history of severe abdominal pain. The patient cannot recall any similar episodes, although she notes occasional abdominal discomfort after... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old man presents to his primary care physician with a 10-hour history of severe diarrhea. He says that he was recently at a company picnic and after returning home he began to experience severe watery diarrhea. He says that the diarrhea was accompanied by nausea and abdominal pain. His physician... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying the structure of the amino-terminal of the Huntingtin protein using x-ray crystallography. The terminal region is determined to have an α-helix conformation. Which of the following forces is most likely responsible for maintaining this conformation? ---- <<Choices:>> A) Hydroph... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man with a past medical history of anterior myocardial infarction, peripheral arterial disease, and known patent foramen ovale presents to the emergency department after being found down from a fall on the sidewalk in the middle of winter. He states that his right leg feels numb and painful ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old boy is brought to the physician by his parents for the evaluation of easy bruising for several months. Minor trauma also causes scratches that bleed. Two months ago, a fall from his bed caused a large forehead hematoma and a left elbow laceration. He sometimes does not eat because of pain whi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old male presents to the emergency room with difficulty breathing. He recently returned to the USA following a trip to Singapore. He reports that he developed pleuritic chest pain, shortness of breath, and a cough. His temperature is 99°F (37.2°C), blood pressure is 140/85 mmHg, pulse is 110/min... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An autopsy is performed on a 39-year-old man 5 days after he was found pulseless at his apartment by his neighbor. Examination of the brain shows liquefactive necrosis in the distribution of the right middle cerebral artery with surrounding edema. Immunophenotyping of a sample of the affected brain tissue... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A recent study shows that almost 40% of the antibiotics prescribed by primary care physicians in the ambulatory setting are for patients with a clinical presentation consistent with a viral acute respiratory tract infection. Recent evidence suggests that the implementation of a set of interventions may re... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 14-year-old boy is brought to the physician for generalized fatigue and mild shortness of breath on exertion for 3 months. He has a history of recurrent patellar dislocations. He is at the 99th percentile for height and at the 30th percentile for weight. His temperature is 37°C (98.6°F), pulse is 99/min... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year old girl is brought to the physician by her mother because menarche has not yet occurred. She is at the 3rd percentile for height. Examination of a buccal mucosal scraping shows several cells with a single dark body attached to the nuclear membrane. Karyotyping of a neutrophil shows 45 chromosom... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-month-old boy is brought to the emergency department by his mother after a seizure at home. The mother is not sure how long the seizure lasted, but says that the boy was unresponsive and had episodes of stiffness and jerking of his extremities throughout the episode. The mother states that the boy has... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old boy is brought to the emergency department for evaluation of a fever for 1 day. The mother reports that he has had severe pain in his lower extremities and difficulty eating since yesterday. He has not had a cough, nausea, or vomiting. He was born at term and has been healthy. His immunizatio... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> After the administration of an erroneous dose of intravenous phenytoin for recurrent seizures, a 9-year-old girl is resuscitated because of bradycardia and asystole. Later, the patient is taken to the critical care unit and placed on mechanical ventilation. Neurologic consultation shows hypoxic brain inju... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 70-year-old chronic smoker presents to the emergency department with a sudden onset of left-sided weakness. The past medical history is insignificant except for hypertension, for which he has been taking medications regularly. The vital signs include: blood pressure 165/110 mm Hg, pulse rate 78/min, res... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 80-year-old man comes to the office for evaluation of anemia. His medical history is relevant for end-stage renal disease and aortic stenosis. When questioned about his bowel movements, the patient mentions that he has occasional episodes of loose, black, tarry stools. His heart rate is 78/min, respira... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 69-year-old man with history of coronary artery disease necessitating angioplasty and stent placement presents to the ED due to fever, chills, and productive cough for one day. He is started on levofloxacin and admitted because of his comorbidity and observed tachypnea of 35 breaths per minute. He is co... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old woman presents to the physician with complaints of unexplained weight loss of approximately 5 kg (11.02 lb) over the last 6 months. Her other complaints include repeated stomatitis and diarrhea for 1 year. She was diagnosed with diabetes mellitus 1 year ago. Her temperature is 36.9°C (98.4°F... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man comes to the physician because of increasing swelling of the legs and face over the past 2 months. During this time, he has experienced fatigue and weight loss. He has no history of any serious illness and takes no medications. Vital signs are within normal range. On physical examination... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A six-month-old infant presents with chronic, persistent diarrhea, oral thrush, and a severe diaper rash. The infant was treated four weeks ago for an upper respiratory and ear infection. A family history is significant for a consanguineous relationship between the mother and father. Physical examination ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old Caucasian college student is home for the summer. Her parents note that she has lost quite a bit of weight. The daughter explains that the weight loss was unintentional. She also notes an increase in thirst, hunger, and urine output. Her parents decide to take her to their family physician, ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 84-year-old woman with Alzheimer's disease is brought to the physician by her son for a follow-up examination. The patient lives with her son, who is her primary caregiver. He reports that it is becoming gradually more difficult to care for her. She occasionally has tantrums and there are times when sh... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old man is hospitalized for an elective gastrointestinal surgery 24 hours before the scheduled day of surgery. The surgeon has ordered food and fluids to be withheld from the patient from 12 hours before the surgery and the administration of intravenous isotonic saline. Based on his body weight,... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 50-year-old man presents to the emergency department with a complaint of crushing chest pain. The pain started suddenly 30 minutes ago while he was walking his dog. The patient also complains of difficulty breathing and palpitations. The pain is described as starting behind the sternum and moving toward... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man is brought to the emergency department by his wife for evaluation of abnormal behavior that began 2 weeks ago. The patient has not slept in over a week and has been partying each night. He has never done this before. The patient has also been skipping work and purchased a car last week w... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old caucasian female comes to the physician because of chronic diarrhea and abdominal bloating that started 6 months ago. She also reports increasing fatigue and intermittent tingling in her hands and feet. She lost 5 kg (11 lb) of weight over the past 6 months without changing her diet or tryin... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy presents with difficulty swallowing, diarrhea, itching, and weakness. He also complains of episodes of headaches, sweating, and palpitations, which are accompanied by fear and tend to end with micturition. His mother is concerned about the strange nodules on his lips and eyelids. The boy'... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old woman with well-controlled HIV on antiretroviral therapy comes to the physician because of a 2-week history of a painless lesion on her right calf. Many years ago, she had a maculopapular rash over her trunk, palms, and soles that resolved spontaneously. Physical examination shows a 4-cm fir... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old man presents to his primary care physician with a 3-week history of increasing pain in his legs and feet. Specifically, he says that he has been getting electric shock sensations that started in his feet, but have progressed up his leg. In addition, the pain is accompanied by numbness and ti... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old soldier sustains a stab wound to his chest during a military attack in Mali. He is brought to the combat medic by his unit for a primary survey. The soldier reports shortness of breath. He is alert and oriented to time, place, and person. His pulse is 99/min, respirations are 32/min, and blo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old G1P1 woman comes to the clinic asking about “the morning after pill.” She reports that she had sexual intercourse with her boyfriend last night and she thinks the condom broke. She is not using any other form of contraception. She reports her last menstrual period was 10 days ago, and they a... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old adolescent boy presents to his pediatrician for his scheduled follow-up after he was prescribed low-dose methylphenidate for treatment of attention-deficit/hyperactivity disorder 4 weeks ago. On follow-up, his mother reports mild improvement in his symptoms, but she also notes that his appet... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying the metabolism of an experimental drug that is known to have first order kinetics. Immediately after administering an intravenous dose of the drug to a patient, the serum concentration is 60 U/L. 3 hours later, the serum concentration of the drug is 30 U/L. 9 hours after admini... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old gravida-1-para-0 (G-1-P-0) presents for a routine prenatal check-up at 16 weeks gestation. The patient has no concerns but is excited to learn the gender of the baby. Genetic testing was performed that showed an XY genotype; however, an ultrasound does not reveal the development of external ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 82-year-old woman presents to the emergency department after a fall. Imaging reveals diffuse trauma to the left humerus from the midshaft to the olecranon process with shearing of the periosteum. The orthopedic surgeon suggests a follow-up in 2 weeks. In that time, the patient develops worsening pain. ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy with a sore throat, fever, and generalized malaise is admitted to the pediatric floor. On physical examination, he has diffuse white exudate on both tonsils, and also a palpable spleen with mild hepatomegaly. His blood smear shows large and abundant lymphocytes with blue-gray cytoplasm, i... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 71-year-old man is brought to the emergency department because of severe, progressive left leg pain and tingling for 8 hours. The symptoms began while he was watching television. For several months, the patient has noticed calf cramping when going for long walks, as well as occasional foot tingling and ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old gravida 2 para 1 is receiving care from her obstetrician at 28 weeks. She states that she has been having suprapubic pain and urinary frequency for the past week. Her past medical history is significant for dermatomyositis for which she takes prednisone every day. She does not smoke cigarett... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old woman visits her primary care physician complaining of abdominal pain for the past 6 months. She reports that the pain is localized to her lower abdomen and often resolves with bowel movements. She states that some days she has diarrhea while other times she will go 4-5 days without having a... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman comes to the physician because of severe pain in her right wrist one day after falling onto her hands and knees while rollerskating. Physical examination shows abrasions over the knees and bruising over the volar aspect of the right wrist. There is swelling and tenderness on palpation ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old man with hypertension comes to the physician for a follow-up examination. His blood pressure is 165/92 mm Hg on the left arm and 162/90 mm Hg on the right arm. He reports that he is compliant with his medication and exercise regimen. The physician adds a drug to his antihypertensive medicati... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man comes to the physician because of a 6-month history of muscle weakness. During this period, the patient has had low energy, intermittent nosebleeds, and a 5-kg (11-lb) weight loss. He also reports progressive hearing and vision problems. He has a history of pins-and-needles sensation, nu... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 6-week-old infant is brought to the emergency department because of fever, fatigue, and dry cough for one day. She has been feeding poorly and had difficulty latching on to breastfeed since yesterday. She has had nasal congestion. The mother reports that her daughter has not been goin... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old woman presents to the physician’s clinic with a 6-month history of generalized weakness that usually worsens as the day progresses. She also complains of the drooping of her eyelids and double vision that is worse in the evening. Physical examination reveals bilateral ptosis after a sustaine... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 24-year-old professional wrestler recently participated in a charitable tournament event in Bora Bora, a tropical island that is part of the French Polynesia Leeward Islands. During his stay, he wore tight-fitting clothes and tight bathing trunks for extended periods. After 6 days, he observed symmetric... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 59-year-old woman comes to the clinic complaining of an intermittent, gnawing epigastric pain for the past 2 months. The pain is exacerbated with food and has been getting progressively worse. The patient denies any weight changes, nausea, vomiting, cough, or dyspepsia. Medical history is significant fo... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old woman presents to the emergency department for laboratory abnormalities detected by her primary care physician. The patient went to her appointment complaining of difficulty using her hands and swelling of her arms and lower extremities. The patient has notably smooth skin that seems to have... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old patient is brought in by his mother for a routine check-up for school. The child is cooperative throughout the visit and excitedly talks about school. The mother congratulates her son on his behavior, and mentions that when he was being treated for leukemia three years ago, he would start cry... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 3-week-old infant is brought to the emergency department 6 hours after the onset of fever and persistent irritability. He had been well until 2 days ago, when he started feeding poorly and sleeping more than usual. He appears lethargic and irritable when roused for examination. His te... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old primigravida presents at 16 weeks gestation for a check-up. She has no co-existing diseases. Currently, she has no subjective complaints, but she worries about the results of her triple screen. She takes 400 mg of folic acid and 30 mg of iron daily. The results of the triple screen are shown... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 71-year-old woman comes to the physician because of a 4-month history of worsening cough and a 4.5-kg (10-lb) weight loss. She has smoked one pack of cigarettes daily for 35 years. Physical examination shows wheezing over the right lung fields. Laboratory studies show a serum calcium concentration of 12... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 12-year-old boy presents with recurrent joint pain that migrates from joint to joint and intermittent fever for the last several weeks. He also says that he has no appetite and has been losing weight. The patient is afebrile, and vital signs are within normal limits. On physical examination, he is pale ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56 year old female comes to the ED complaining of moderate right eye pain, headache, and acute onset of blurry vision, which she describes as colored halos around lights. She was watching a movie at home with her husband about an hour ago when the pain began. On physical exam of her right eye, her pupil... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old boy is brought to the emergency department because of worsening confusion for the last hour. He has had high-grade fever, productive cough, fatigue, and malaise for the past 2 days. He has not seen a physician in several years. His temperature is 38.9°C (102°F), pulse is 133/min, respirations... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old female with abdominal pain undergoes laparoscopic surgery. An outpouching of tissue is excised from the ileum and sent to the laboratory for evaluation. The pathologist notes inflammation and the presence of mucosa, submucosa, and muscle in the walls of the specimen. Which of the following is... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old woman schedules an appointment at an outpatient clinic for the first time after moving to the US from Peru a few months ago. She complains of easy fatigability and shortness of breath with minimal exertion for the past 6 months. She further adds that her breathlessness is worse when she goes... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 56-year-old man with chronic kidney failure is brought to to the emergency department by ambulance after he passed out during dinner. On presentation, he is alert and complains of shortness of breath as well as chest palpitations. An EKG is obtained demonstrating an irregular rhythm consisting of QT amp... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man with recurrent pneumonia comes to the physician for a follow-up examination one week after hospitalization for pneumonia. He feels well but still has a productive cough. He has smoked 1 pack of cigarettes daily for 5 years. His temperature is 36.9°C (98.4°F) and respirations are 20/min. ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A pediatrician is called to examine a recently born dysmorphic boy. The birth weight was 1.6 kg (3.5 lb). On physical examination of the face and skull, the head was shown to be microcephalic with a prominent occiput and a narrow bifrontal diameter. The jaw was comparatively small with short palpebral fis... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 60-year-old man comes to the emergency department because of nausea, headache, and generalized fatigue for 2 days. He has not vomited. He was diagnosed with small cell lung cancer and liver metastases around 3 months ago and is currently receiving chemotherapy with cisplatin and etoposide. His last chem... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old woman repetitively visits the general surgery clinic worried that her inguinal hernia is incarcerated. 2 months ago, she was seen in the emergency department where she presented with a left lower abdominal swelling. The mass was easily reduced and the patient was referred to the general surg... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old boy is brought to the physician by his parents for a well-child examination. The boy was born at term via vaginal delivery and has been healthy except for impaired vision due to severe short-sightedness. He is at the 97th percentile for height and 25th percentile for weight. Oral examination ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A patient presents to the emergency department with abdominal pain. While having dinner, the patient experienced pain that prompted the patient to come to the emergency department. The patient states that the pain is episodic and radiates to the shoulder. The patient's temperature is 98°F (36.7°C), blood ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man comes to the physician for evaluation of multiple red spots on his trunk. He first noticed these several months ago, and some appear to have increased in size. One day ago, he scratched one of these spots, and it bled for several minutes. Physical examination shows the findings in the ph... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 25-year-old man is brought by his wife to the emergency department due to sudden onset confusion that started 40 minutes ago. The patient’s wife says that he came home from work complaining of pain in his arms and legs. While resting on the couch, he mentioned feeling nauseous and then became quite conf... | A |
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