A 55-year-old woman visits her physician to consult about hormone replacement therapy (HRT).Her physician discuss with her the pros and cons of using HRT. Which one of these benefits is gained by the use of HRT? A-HRT decrease the risk of breast cancer B-HRT decrease the risk of stroke C-HRT decrease the risk of coronary […]
usmle
Pharmacology MCQs- 208
A 24-year-old man with a history of AIDS is currently managed by antiretroviral therapy (HAART) containing a protease-inhibitor, a nucleoside reverse transcriptase inhibitor and a non-nucleoside reverse transcriptase inhibitor. Which one of these drugs is a nucleoside reverse transcriptase inhibitor? A-Etravirine B-Efavirenz C-Indinavir D-Saquinavir E-Zidovudine Answer Zidovudine is the only drug on this list that […]
Pharmacology MCQs- 207
A 32-year-old woman presents with a complaint of severe pain during menstruation. She is prescribed indomethacin. Which is the mechanism of action of this drug to reduce her pain? A-Interferes with the production of leukotrienes B-Limits the production of histamine C-Stimulates the production of prostaglandin E2 D-Inhibits the production of prostaglandin E2 E-Inhibits the production […]
Medical Question of the Day- 43
A 27-year-old man complains of 2-week history of watery diarrhea and 5 lb. weight loss. He had no similar episodes in the past, did not travel recently, did not eat out or take antibiotics. He quit smoking last month after 1 PPD for 5 years. His family history is significant of some relatives who are […]
Pharmacology MCQs- 206
A 23-year-old man with a long history of duodenal ulcer has been treated with cimetidine (Tagamet) for 6 months. What is the mechanism of action of this drug? A-Adds a protective membrane to gastric mucosa B-Blocks H2 receptors C-Stimulates H2 receptors D-Inhibits H+,K+-ATPase Answer Cimetidine blocks H2 receptor so, it blocks the secretion of hydrochloric […]
Repeated USMLE Questions Step 1- 276
A 64-year-old man complains of severe headache, dizziness, nausea and deterioration of vision. Workup shows a decrease in oxygen carrying capacity with no change in PO2 of arterial blood. Which of the following is most likely responsible for this patient’s symptoms? A- Ozone B- Carbon monoxide (CO) C- Sulfur dioxide D- Nitrogen Answer This is […]
Repeated USMLE Questions Step 2 CK- 426
A 48-year-old woman presents to the clinic for a complaint of difficult swallowing solid food for the last 2 months. After seconds of swallowing, she feels the food getting stuck at the suprasternal notch. She has no history of food or acid regurgitation. She has not lost weight. She does not smoke or drink alcohol. […]
Repeated USMLE Questions Step 1- 275
A 56-year-old man presents to the emergency room complaining of severe chest pain, nausea and excessive sweating for 30 minutes. ECG and laboratory tests confirm the diagnosis of acute myocardial infarction. What is the most likely reason of diaphoresis in this patient? A-Parasympathetic stimulation B-Sympathetic stimulation C-Decreased peripheral resistance D-Decreased sodium and water retention E-Elevated […]
Medical Question of the Day- 42
A 58-year-old woman is brought to the emergency room complaining of lightheadedness for 4 hours. She has diarrhea with loose stool for 2 days. She explains her symptoms as flu and she drinks lots of water as her neighbor advised her to avoid dehydration. Her physician told her that she should take combined solution of […]
Repeated USMLE Questions Step 2 CK- 425
A 22-year- old man presents to the emergency room complaining of sudden onset of shortness of breath and palpitation for 2 hours. He had similar episodes in the past which resolved by breath holding. His past medical, surgical and family histories are unremarkable. He takes no medication. ECG reveals supraventricular tachycardia. Carotid massage on the […]