Repeated USMLE Questions Step 2 CK- 427

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 … Read more

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 … Read more

Pharmacology MCQs- 207

Q- A 32-year-old woman presents with a complaint of severe pain during menstruation. She is prescribed indomethacin. Which of the following 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 … Read more

Repeated USMLE Questions- Medical Question of the Day- 43

Q- A 27-year-old man complains of a 2-week history of watery diarrhea and 5 lb. weight loss. He had no similar episodes in the past, did not travel recently, and 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 … Read more

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 … Read more

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 … Read more