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Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old woman is brought to the physician by her husband because of a gradual 20-kg (45-lb) weight loss and recurrent episodes of vomiting without diarrhea over the past 2 years. Her last menstrual period was 6 months ago. On physical examination, she appears fatigued and emaciated, and there is bil... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 32-year-old man presents to the physician with a history of fever, malaise, and arthralgia in the large joints for the last 2 months. He also mentions that his appetite has been significantly decreased during this period, and he has lost considerable weight. He also informs the physician that he often e... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 20-year-old man presents to his physician with diarrhea, vomiting, and fever for the past 2 days. After laboratory evaluation, he is diagnosed with bacterial gastroenteritis. The man is a microbiology major and knows that the human gastrointestinal tract, respiratory tract, and skin are lined by epithel... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 28-year-old man presents with a yellow coloration of his skin. He says he feels well and denies any recent history of nausea, fatigue or fever, or discoloration of his urine or stool. The patient reports episodes with similar symptoms in the past. Family history is significant for similar symptoms in hi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-month-old boy is brought to the physician by his mother because of poor weight gain and chronic diarrhea. He has had 3 episodes of otitis media since birth. Pregnancy and delivery were uncomplicated but his mother received no prenatal care. His immunizations are up-to-date. He is at the 10th percentil... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> In the coronary steal phenomenon, vessel dilation is paradoxically harmful because blood is diverted from ischemic areas of the myocardium. Which of the following is responsible for the coronary steal phenomenon? ---- <<Choices:>> A) Venodilation B) Microvessel dilation C) Arterial dilation D) Volume loss... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old boy is brought to the emergency department one hour after sustaining an injury during football practice. He collided head-on into another player while wearing a mouthguard and helmet. Immediately after the collision he was confused but able to use appropriate words. He opened his eyes sponta... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old woman comes to the emergency department 30 minutes after she was bitten by her neighbor's cat. She has no history of serious illness and takes no medications. She received all recommended immunizations during childhood but has not received any since then. Vital signs are within normal limits... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 11-month-old boy is brought to the pediatrician by his mother due to fever and tugging at his right ear. The mother says that he is currently irritable with a mild fever. About 1 week ago, he had a mild cough, mild fever, body aches, and a runny nose. He was treated with children’s Tylenol and the symp... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old male is transferred from an outside hospital to the neurologic intensive care unit for management of a traumatic brain injury after suffering a 30-foot fall from a roof-top. He now lacks decision-making capacity but does not fulfill the criteria for brain-death. The patient does not have a l... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A previously healthy 33-year-old woman comes to the emergency department because she could feel her heart racing intermittently for the last 2 hours. Each episode lasts about 10 minutes. She does not have any chest pain. Her mother died of a heart attack and her father had an angioplasty 3 years ago. She ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 19-year-old female presents with a malodorous vaginal discharge. She notes that the odor is more prominent after sexual intercourse. She is sexually active with one partner and uses barrier contraception. Her past medical history is significant only for community-acquired pneumonia treated with antibiot... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man presents to the clinic for a several-month history of fatigue, and it is starting to affect his work. He often needs to sneak away in the middle of the day to take naps or else he cannot focus and is at risk of falling asleep at his desk. He has been feeling like this for approximately 1... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 22-year-old primigravid woman at 41 weeks' gestation is admitted to the hospital in active labor. Pregnancy has been uncomplicated. She has asthma treated with theophylline and inhaled corticosteroids. She has had 2 surgeries in the past to repair multiple lower limb and pelvis fractures that were the r... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A senior medicine resident receives negative feedback on a grand rounds presentation from his attending. He is told sternly that he must improve his performance on the next project. Later that day, he yells at his medical student for not showing enough initiative, though he had voiced only satisfaction wi... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old man visits his psychiatrist with feelings of sadness on most days of the week for the past 4 weeks. He says that he is unable to participate in his daily activities and finds it hard to get out of bed on most days. If he has nothing scheduled for the day, he sometimes sleeps for 10–12 hours ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man presents to the emergency department for altered mental status. The patient was found napping in a local market and brought to the hospital. The patient has a past medical history of polysubstance abuse and is homeless. His temperature is 104°F (40.0°C), blood pressure is 100/52 mmHg, pu... | 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 girlfriend for a nosebleed. Pinching the nose for the past hour has not stopped the bleeding. For the past several months, he has had recurring nosebleeds that resolved with pressure. He has no history of hypertension or trauma. He has asthma... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old man presents with increasing shortness of breath for a month, which is aggravated while walking and climbing up the stairs. He also complains of pain and stiffness in both wrists, and the distal interphalangeal and metacarpophalangeal joints of both hands. He was diagnosed with rheumatoid ar... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old man presents to the emergency department after being stabbed. The patient was robbed at a local pizza parlor and was stabbed over 10 times with a large kitchen knife with an estimated 7 inch blade in the ventral abdomen. His temperature is 97.6°F (36.4°C), blood pressure is 74/54 mmHg, pulse... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old woman comes to the physician because of irregular menses and generalized fatigue for the past 4 months. Menses previously occurred at regular 25- to 29-day intervals and lasted for 5 days but now occur at 45- to 60-day intervals. She has no history of serious illness and takes no medications... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 18-year-old male presents to his primary care provider with his parents for a sports physical. He was last seen in clinic several months ago, when he was diagnosed with attention deficit hyperactivity disorder (ADHD). He was started on methylphenidate at that time, and the patient now reports improvemen... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> Following passage of a calcium oxalate stone, a 55-year-old male visits his physician to learn about nephrolithiasis prevention. Which of the following changes affecting urine composition within the bladder are most likely to protect against crystal precipitation? ---- <<Choices:>> A) Increased calcium, i... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 67-year-old woman is brought to the emergency department for the evaluation of fever, chest pain, and a cough productive of a moderate amount of greenish-yellow sputum for 2 days. During this period, she has had severe malaise, chills, and difficulty breathing. She has hypertension, hypercholesterolemia... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A study is conducted to investigate the relationship between the development of type 2 diabetes mellitus and the use of atypical antipsychotic medications in patients with schizophrenia. 300 patients who received the atypical antipsychotic clozapine and 300 patients who received the typical antipsychotic ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 44-year-old woman presents to her primary care physician for worsening dysuria, hematuria, and lower abdominal pain. Her symptoms began approximately 2 days ago and have progressively worsened. She denies headache, nausea, vomiting, or diarrhea. She endorses feeling "feverish" and notes to having foul s... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 58-year-old man presents to the physician due to difficulty initiating and sustaining erections for the past year. According to the patient, he has a loving wife and he is still attracted to her sexually. While he still gets an occasional erection, he has not been able to maintain an erection throughout... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 3-year-old girl is brought to the physician because of a cough for 2 days. The cough occurs as paroxysmal spells, with vomiting sometimes occurring afterwards. She takes a deep breath after these spells that makes a whooping sound. She has been unable to sleep well because of the cough. She had a runny ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old man is brought to the emergency room by emergency medical technicians after being found unconscious near a park bench. He appears disheveled with a strong odor of alcohol. There is no known past medical history other than treatment for alcohol withdrawal in the past at this institution.The p... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man is admitted to the emergency department after 2 days of difficulty breathing and fever. His past medical history is significant for hypertension and benign prostate hypertrophy. He takes hydrochlorothiazide and tamsulosin. He also admits to drinking alcohol on the weekends and a half pac... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old man comes to the emergency department because of progressively worsening fatigue and shortness of breath for the past 2 weeks. His only medication is insulin. Examination shows elevated jugular venous distention and coarse crackles in both lungs. Despite appropriate life-saving measures, he ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 51-year-old woman comes to the physician because of a 3-month history of fatigue, increased urinary frequency, and low back pain. She reports frequent passing of hard stools, despite using stool softeners. During this time, she has not been as involved with her weekly book club. Her family is concerned ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 43-year-old woman comes to the physician because of a 3-month history of increased flow and duration of her menses. Menses previously occurred at regular 28-day intervals and lasted 5 days with normal flow. They now last 8–9 days and the flow is heavy with the passage of clots. During this period, she h... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man comes to the emergency department because of abdominal distension for the past 3 weeks. He also complains of generalized abdominal discomfort associated with nausea and decreased appetite. He was discharged from the hospital 3 months ago after an inguinal hernia repair with no reported c... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 29-year-old woman presents with a skin rash that has spread on her arm over the last few days. She also complains of fever, headache, joint pain, and stiffness of the neck associated with the onset of the rash. On physical examination, there is an annular, red rash with a clear area in the center simila... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man presents to the office with complaints of facial puffiness and mild swelling in his lower back. He denies chest pain, blood in the urine, or fever. He was recently diagnosed with colon cancer. The vital signs include a blood pressure of 122/78 mm Hg, a pulse of 76/min, a temperature of 3... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old female presents to her pediatrician’s office because she has not yet started menstruating. On review of systems, she states that she has been increasingly tired, constipated, and cold over the last 6 months. She also endorses a long history of migraines with aura that have increased in frequ... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is working with a mutant strain of mice that lack a consistent density of sarcolemmal transverse tubules in the skeletal muscle cells. Which of the following is the most likely associated finding as a result of this abnormality? ---- <<Choices:>> A) Decreased entry of calcium at the presyn... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old male is accompanied by his mother to the pediatrician. His mother reports that over the past two weeks, the child has had intermittent low grade fevers and has been more lethargic than usual. The child’s past medical history is notable for myelomeningocele complicated by lower extremity weakn... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 5-month-old girl is brought to the physician with a red lesion on her scalp that was first noticed 2 months ago. The lesion has been increasing in size slowly. It is not associated with pain or pruritus. She was born at 37 weeks of gestation after an uncomplicated pregnancy and delivery. The patient’s o... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man is admitted to the hospital because of a 1-month history of fatigue, intermittent fever, and weakness. Results from a peripheral blood smear taken during his evaluation are indicative of possible acute myeloid leukemia. Bone marrow aspiration and subsequent cytogenetic studies confirm th... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old homeless woman is brought to the emergency department by the police after she was found in the park lying unconscious on the ground. Both of her pupils are normal in size and reactive to light. There are no signs of head trauma. Finger prick test shows a blood glucose level of 20 mg/dL. She ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 37-year-old woman comes to the physician because of difficulty swallowing for the past 1 year. She was diagnosed with gastroesophageal reflux 3 years ago and takes pantoprazole. She has smoked a pack of cigarettes daily for 14 years. Examination shows hardening of the skin of the fingers and several whi... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man presents for his first hemodialysis treatment. He was diagnosed with progressive chronic kidney disease 6 years ago that has now resulted in end-stage renal disease (ESRD). He currently is on a waiting list for a kidney transplant. His past medical history is significant for hypertension... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old woman presents to the outpatient department with a recent onset of generalized weakness and weight gain. On physical examination, there is diffuse nontender enlargement of the thyroid gland. Fine-needle aspiration and cytology show lymphocytic infiltration with germinal centers and epithelia... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 27-year-old woman is brought to the office at the insistence of her fiancé to be evaluated for auditory hallucinations for the past 8 months. The patient’s fiancé tells the physician that the patient often mentions that she can hear her own thoughts speaking aloud to her. The hallucinations have occurre... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> You are seeing an otherwise healthy 66-year-old male in clinic who is complaining of localized back pain and a new rash. On physical exam, his vital signs are within normal limits. You note a vesicular rash restricted to the upper left side of his back. In order to confirm your suspected diagnosis, you pe... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 54-year-old man comes to the physician for a follow-up examination after presenting with elevated blood pressures on both arms at a routine visit 1 month ago. He feels well and takes no medications. He is 178 cm (5 ft 10 in) tall and weighs 99 kg (218 lb); BMI is 31 kg/m2. His pulse is 76/min, and blood... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An 18-year-old boy is brought to the emergency department by his parents because he suddenly collapsed while playing football. His parents mention that he had complained of dizziness while playing before, but never fainted in the middle of a game. On physical examination, the blood pressure is 130/90 mm H... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying the crossbridge cycle of muscle contraction. Tissue from the biceps brachii muscle is obtained at the autopsy of an 87-year-old man. Investigation of the muscle tissue shows myosin heads attached to actin filaments. Binding of myosin heads to which of the following elements wou... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 52-year-old man awakens in the middle of the night with excruciating pain in his right great toe. He reports that even the touch of the bed sheet was unbearably painful. His right foot is shown in figure A. He is treated with colchicine. Which of the following describes the mechanism of colchicine? ----... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 15-year-old boy and his mother were referred to a pulmonology clinic. She is concerned that her son is having some breathing difficulty for the past few months, which is aggravated with exercise. The family is especially concerned because the patient’s older brother has cystic fibrosis. The past medical... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old woman is brought to the emergency department 30 minutes after her husband found her unconscious on the living room floor. She does not report having experienced light-headedness, nausea, sweating, or visual disturbance before losing consciousness. Three weeks ago, she was diagnosed with open... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 30-year-old forest landscape specialist is brought to the emergency department with hematemesis and confusion. One week ago she was diagnosed with influenza when she had fevers, severe headaches, myalgias, hip and shoulder pain, and a maculopapular rash. After a day of relative remission, she developed ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> You have isolated cells from a patient with an unknown disorder and would like to locate the defect in this patient. When radiolabeled propionate is added to the mitochondria, no radiolabeled carbon dioxide is detected. However, when radiolabeled methylmalonic acid is added, radiolabeled carbon dioxide is... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 21-year-old woman is brought to the clinic for evaluation by her brother. The patient’s brother says that, 3 days ago, the patient had put on her best pantsuit and makeup and insisted that she was returning to work and driving to Seattle to take over for the CEO of the Amazon Corporation. He says this w... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old man comes to the physician for a follow-up examination. During the past month, he has had mild itching. He has alcoholic cirrhosis, hypertension, and gastroesophageal reflux disease. He used to drink a pint of vodka and multiple beers daily but quit 4 months ago. Current medications include ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A newborn infant is born at 40 weeks gestation to a G1P1 mother. The pregnancy was uncomplicated and was followed by the patient's primary care physician. The mother has no past medical history and is currently taking a multi-vitamin, folate, B12, and iron. The infant is moving its limbs spontaneously and... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> Researchers are investigating a new strain of a virus that has been infecting children over the past season and causing dermatitis. They have isolated the virus and have run a number of tests to determine its structure and characteristics. They have found that this new virus has an outer coating that is h... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 48-year-old woman is brought to the emergency department by her family at her psychiatrist's recommendation. According to her family, she has been more restless than her baseline over the past week. The patient herself complains that she feels her mind is racing. Her past medical history is significant ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 42-year-old man with systolic heart failure secondary to amyloidosis undergoes heart transplantation. The donor heart is obtained from a 17-year-old boy who died in a motor vehicle collision. Examination of the donor heart during the procedure shows a flat, yellow-white discoloration with an irregular b... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 14-year-old boy is brought to the emergency department because of a 4-hour history of vomiting, lethargy, and confusion. Three days ago, he was treated with an over-the-counter medication for fever and runny nose. He is oriented only to person. His blood pressure is 100/70 mm Hg. Examination shows bilat... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 53-year-old woman comes to the physician because of pain in her ankle. She twisted her right ankle inward when walking on uneven ground the previous day. She describes the pain as 6 out of 10 in intensity. She is able to bear weight on the ankle and ambulate. Three weeks ago, she had an episode of gastr... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 62-year-old man with a 5-year history of chronic obstructive pulmonary disease comes to the physician for a follow-up examination. He has had episodic palpitations over the past week. His only medication is a tiotropium-formoterol inhaler. His pulse is 140/min and irregular, respirations are 17/min, and... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old woman comes to the physician with a 3-month history of progressively worsening right calf pain. She reports that the pain occurs after walking for about 10 minutes and resolves when she rests. She has hypertension and hyperlipidemia. She takes lisinopril and simvastatin daily. She has smoked... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> An 11-month-old boy is brought to the physician for the evaluation of recurrent otitis media since birth. The patient’s immunizations are up-to-date. He is at the 5th percentile for height and weight. Physical examination shows multiple petechiae and several eczematous lesions over the scalp and extremiti... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 65-year-old man with chronic myelogenous leukemia comes to the physician because of severe pain and swelling in both knees for the past day. He finished a cycle of chemotherapy 1 week ago. His temperature is 37.4°C (99.4°F). Physical examination shows swelling and erythema of both knees and the base of ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> In translation, the wobble phenomenon is best illustrated by the fact that: ---- <<Choices:>> A) A tRNA with the UUU anticodon can bind to either AAA or AAG codons B) There are more amino acids than possible codons C) The last nucleotide provides specificity for the given amino acid D) The genetic code is... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 34-year-old primigravid woman at 8 weeks' gestation comes to the emergency department 4 hours after the onset of vaginal bleeding and crampy lower abdominal pain. She has passed multiple large and small blood clots. The vaginal bleeding and pain have decreased since their onset. Her temperature is 37°C ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old boy presents to his pediatrician accompanied by his mother for evaluation of a rash. The rash appeared a little over a week ago, and since that time the boy has felt tired. He is less interested in playing outside, preferring to remain indoors because his knees and stomach hurt. His past medi... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> An investigator is studying a drug that acts on a G protein-coupled receptor in the pituitary gland. Binding of the drug to this receptor leads to increased production of inositol triphosphate (IP3) in the basophilic cells of the anterior pituitary. Administration of this drug every 90 minutes is most lik... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 69-year-old male presents to his primary care provider for a general checkup. The patient currently has no complaints. He has a past medical history of diabetes mellitus type II, hypertension, depression, obesity, and a myocardial infarction seven years ago. The patient's prescribed medications are meto... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 17-year-old teenager is brought to the emergency department with severe bleeding from his right hand. He was involved in a gang fight about 30 minutes ago where he received a penetrating stab wound by a sharp knife in the region of the ‘anatomical snuffbox’. A vascular surgeon is called in for consultat... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 36-year-old woman comes to the gynecologist because of a 4-month history of irregular menstrual cycles. Menses occur at irregular 15 to 45-day intervals and last 1–2 days with minimal flow. She also reports a milk-like discharge from her nipples for 3 months, as well as a history of fatigue and muscle a... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 14-year-old girl presents to the emergency room complaining of abdominal pain. She was watching a movie 3 hours prior to presentation when she developed severe non-radiating right lower quadrant pain. The pain has worsened since it started. She also had non-bloody non-bilious emesis 1 hour ago and conti... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old boy is brought to the emergency department for acute intermittent umbilical abdominal pain and several episodes of nonbilious vomiting for 4 hours. The pain radiates to his right lower abdomen and occurs every 15–30 minutes. During these episodes of pain, the boy draws up his knees to the che... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 16-year-old female presents to the physician for delayed onset of menstruation. She reports that all of her friends have experienced their first menses, and she wonders whether “something is wrong with me.” The patient is a sophomore in high school and doing well in school. Her past medical history is s... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 23-year-old male comes to the physician because of a 2-week history of fatigue, muscle aches, and a dry cough. He has also had episodes of painful, bluish discoloration of the tips of his fingers, nose, and earlobes during this period. Three months ago, he joined the military and attended basic training... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is brought to the clinic by his parents due to right ear pain. For the past few days, the patient’s parents say he has had a low-grade fever, a runny nose, and has been frequently pulling on his left ear. Past medical history is significant for a similar episode one month ago for which he... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 4-year-old male presents to the pediatrician with a one week history of fever, several days of bloody diarrhea, and right-sided abdominal pain. The mother explains that several other children at his son's pre-K have been having similar symptoms. She heard the daycare owner had similar symptoms and may h... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 45-year-old man comes to the physician for the evaluation of limited mobility of his right hand for 1 year. The patient states he has had difficulty actively extending his right 4th and 5th fingers, and despite stretching exercises, his symptoms have progressed. He has type 2 diabetes mellitus. He has b... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 2-year-old boy is being evaluated for an autosomal-recessive condition that produces valine instead of glutamine in the β-globin gene. On further examination, the patient’s X-ray showed a crew cut appearance of the skull. Which of the following statements about his condition is false? ---- <<Choices:>> ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 7-year-old boy is brought to his pediatrician by his parents because of a new rash. The family immigrated from Laos one year ago and recently obtained health insurance. A week ago, the boy stated that he was “not feeling well” and asked to stay home from school. At the time, he starting having cough, na... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 41-year-old nulliparous woman, at 15 weeks' gestation comes to the emergency department because of an 8-hour history of light vaginal bleeding. She had a spontaneous abortion at 11 weeks' gestation 9 months ago. Vital signs are within normal limits. Abdominal examination is unremarkable. On pelvic exami... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 39-year-old pregnant woman at 16 weeks gestation recently underwent a quad-screen which revealed elevated beta-hCG, elevated inhibin A, decreased alpha-fetoprotein, and decreased estradiol. An ultrasound was performed which found increased nuchal translucency. Which of the following is recommended for d... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> Four months after giving birth, a young woman presents to the hospital complaining of lack of breast milk secretion. The patient complains of constantly feeling tired. Physical exam reveals that she is slightly hypotensive and has lost a significant amount of weight since giving birth. The patient states ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 64-year-old African American female comes to the physician’s office for a routine check-up. The patient’s past medical history is significant for hypertension, diabetes, and osteoarthritis in her right knee. Her medications include metformin, glimepiride, lisinopril, metoprolol, hydrochlorothiazide, and... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 26-year-old primigravida woman presents to her obstetrician for her first prenatal visit. Her last menstrual cycle was 12 weeks ago. She denies tobacco, alcohol, illicit drug use, or history of sexually transmitted infections. She denies recent travel outside the country but is planning on visiting her ... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A 38-year-old woman, gravida 2, para 1, at 32 weeks' gestation comes to the physician for a prenatal visit. Pregnancy and delivery of her first child were uncomplicated. She has type 1 diabetes mellitus treated with insulin. Her temperature is 37.2°C (99°F), pulse is 92/min, respirations are 16/min, and b... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A researcher is investigating the relationship between interleukin-1 (IL-1) levels and mortality in patients with end-stage renal disease (ESRD) on hemodialysis. In 2017, 10 patients (patients 1–10) with ESRD on hemodialysis were recruited for a pilot study in which IL-1 levels were measured (mean = 88.1 ... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 68-year-old man presents to his primary care physician with pain that started after he visited his daughter as she moved into her new apartment. The patient states that the pain is likely related to all the traveling he has done and helping his daughter move and setup up furniture. The patient has a pas... | A |
Answer the following medical question with the correct letter choice: | <<Question:>> A laboratory technician processes basic metabolic panels for two patients. Patient A is 18 years old and patient B is 83 years old. Neither patient takes any medications regularly. Serum laboratory studies show: Patient A Patient B Na+ (mEq/L) 145 141 K+ (mEq/L) 3.9 4.4 Cl- (mEq/L) 103 109 HCO3- (mEq/L) 2... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 55-year-old woman is being managed on the surgical floor after having a total abdominal hysterectomy as a definitive treatment for endometriosis. On day 1 after the operation, the patient complains of fevers. She has no other complaints other than aches and pains from lying in bed as she has not moved s... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old man presents to the clinic concerned about numbness in his bilateral shoulders and arms for the past 8 weeks. The symptoms started when he fell from scaffolding at work and landed on his back. Initial workup was benign and he returned to normal duty. However, his symptoms have progressively ... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 47-year-old woman comes to the physician because of body aches for the past 9 months. She also has stiffness of the shoulders and knees that is worse in the morning and tingling in the upper extremities. Examination shows marked tenderness over the posterior neck, bilateral mid trapezius, and medial asp... | C |
Answer the following medical question with the correct letter choice: | <<Question:>> A 51-year-old man presents to the clinic with a history of hematuria and hemoptysis following pneumonia several weeks ago. He works as a hotel bellhop. His medical history is significant for gout, hypertension, hypercholesterolemia, diabetes mellitus type II, and mild intellectual disability. He currently... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 57-year-old man presents to his oncologist to discuss management of small cell lung cancer. The patient is a lifelong smoker and was diagnosed with cancer 1 week ago. The patient states that the cancer was his fault for smoking and that there is "no hope now." He seems disinterested in discussing the tr... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 63-year-old woman comes to the emergency department because of a 1-day history of progressive blurring and darkening of her vision in the right eye. Upon waking up in the morning, she suddenly started seeing multiple dark streaks. She has migraines and type 2 diabetes mellitus diagnosed at her last heal... | D |
Answer the following medical question with the correct letter choice: | <<Question:>> A 33-year-old man presents to the emergency department because of an episode of bloody emesis. He has had increasing dyspnea over the past 2 days. He was diagnosed with peptic ulcer disease last year. He has been on regular hemodialysis for the past 2 years because of end-stage renal disease. He skipped h... | B |
Answer the following medical question with the correct letter choice: | <<Question:>> A 6-year-old boy is brought to the emergency department 12 hours after ingesting multiple pills. The patient complains of noise in both his ears for the past 10 hours. The patient’s vital signs are as follows: pulse rate, 136/min; respirations, 39/min; and blood pressure, 108/72 mm Hg. The physical examin... | D |
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