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#april2020mccqe1 A 4-year-old boy with a past history of asthma presents with a severe attack of asthma following an upper respiratory infection. On examination he is afebrile, appears distressed with a respiratory rate of 48/min, and pulse rate of 130/min. Oximetry is 85% while breathing room...

#february2020mccqe1 A 65-year-old man presents to the office with complaints regarding his urine. He states that he has recently had bloody urine, but does not have any urinary pain, hesitation, dribbling, or increased frequency. He also says he has lost 4.5 kg (10 lb) over the past 2 months. A...

#march2020mccqe1 A 29-year-old man approaches a physician to ask about his target cholesterol level. He has no personal or family history of cardiac disease. He does not smoke, denies high blood pressure and diabetes, and has a body mass index of 26 kg/m2. The man says he has heard there are...

#may2020mccqe1 A 20-year-old female college student is evaluated in December because of a 12-hour history of fever, myalgia, headache, and a rash. She takes no medications. On physical examination, the patient appears ill. Temperature is 38.8°C (101.8°F), blood pressure is 90/45 mm Hg, pulse...

#july2020mccqe1 A 40-year-old woman presents complaining of difficulty with swallowing. Examination shows she has a nasal speech, weakness of facial and neck muscles, receding hairline and a weak and slow hand grip. The patient is most likely be suffering from which of the following? (A)...

#august2020mccqe1 A 17-year-old high-school student comes to the school health clinic. She has missed her last menstrual period and is worried about being pregnant. In the past history, it is noted that she has sickle-cell trait and mild asthma but is otherwise healthy. She has never been...

#march2020mccqe1 A 21-year-old man is brought by his roommate to the emergency department because of abrupt onset of shortness of breath, mild chest pain, and a sensation of rapid heart beating. The patient says that in the past he had similar episodes, which resolved with the Valsalva maneuver...

#january2020mccqe1 An 89-year-old man has had a lesion on his left cheek for two years (see image). It has not undergone any recent change. Which one of the following is the most likely diagnosis? (A) Lentigo maligna melanoma (Hutchinson melanotic freckle) (B) Squamous cell carcinoma (C)...

#april2020mccqe1 A 28-year-old business man came to the sexual clinic. He was worried that he has HIV infection. Three HIV tests were done and all the results are negative. After a few months, he comes back again and claims that he has HIV. What is the most likely diagnosis? (A) Somatization...

#oldrecallmccqe1 A 2-year-old girl is brought to the ED because of fevers that have been occurring daily for 3 weeks. Physical examination reveals a 1.2-kg (2.6-lb) weight loss since her last doctor’s visit 1 month earlier. She also has pallor, hepatomegaly, and splenomegaly. She is admitted to...

#april2020mccqe1 A 22-year-old woman from sub-Saharan Africa comes to the clinic to be tested for HIV. She denies illicit drug use and has not been sexually active since she moved to the United States 3 years ago. Her initial enzyme-linked immunosorbent assay is positive. Which of the following...

#february2020mccqe1 A 65-year-old woman is evaluated for a 1-day history of fever, headache, and altered mental status. Medical history includes type 2 diabetes mellitus and hypertension treated with glipizide and hydrochlorothiazide. She has no allergies. On physical examination, the patient...

#march2020mccqe1 A 38-year-old builder had acute back pain which subsided over 24 h. He now complains of increasing numbness and tingling in both legs and poor bladder and bowel control. Which of the following should be your first step in management? (A) Physiotherapy (B) Strict bed rest with...

#may2020mccqe1 A prokaryotic operon codes for two enzymes and one regulatory protein. The operon is expressed only in the presence of a particular sugar. Initial mapping of the operon has differentiated the nontranscribed sequences from the transcribed sequences. Deletion of 10 nucleotides from...

#june2020mccqe1 A 45-year-old African American man is taken to the emergency department because he is vomiting fresh blood. His temperature is 37 C (98.6 F), blood pressure is 65/30 mm Hg, pulse is 120/min, and respirations are 24/min. The patient is stabilized, then taken for emergency...

#april2020mccqe1 A 24-year-old woman, who has previously had a normal vaginal delivery of a 3900g male infant at term, is found to have a breech presentation at 37 weeks gestation in her second pregnancy. Ultrasound examination has shown the fetus has extended legs. She is keen to deliver this...

#january2020mccqe1 A 29-year-old woman who was diagnosed to have migraine presents with severe onset of occipital headache. She lost her consciousness. CT and neurological examinations are normal. What is the most appropriate management? (A) Repeat CT (B) MRI (C) LP (D) XR (E) No investigation...

#april2020mccqe1 Following a course of chemotherapy, a 5-year-old male oncology patient develops altered mental status, tachycardia, decreased blood pressure, flushing of the extremities, and decreased urine output. After 48 hours in the pediatric intensive care unit, the patient dies from...

#january2020mccqe1 A 24-year-old man presents with notably slurred speech, stating, “I don’t want to live anymore, I just want to take pills and make the pain go away.” A psychiatric history reveals that the patient has suffered from major depression for 9 years, has had numerous psychiatric...

#august2020mccqe1 A 75-year-old woman with an 8-hour history of aphasia and right-sided weakness is admitted to the hospital. She has a 35-year history of hypertension treated with chlorthalidone and a 10-year history of hyperlipidemia treated with simvastatin. Her medical history is otherwise...