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Repeated USMLE Questions Step 1- Review- 47- Pharmacology

Q- Cytochrome P-450 is an enzyme system responsible for the biotransformation of certain drugs. Which one of the following medications induces cytochrome P-450 interaction with some other medications? A- Cimetidine B- Chloramphenicol C- Rifampin D- Sulfasalazine Q- Which one of the following medications can be used safely for hypertension in pregnancy? A- Captopril B- Furosemide … Read more

Repeated USMLE Questions Step 1- Review- 45- Pharmacology

Q- A patient is recently diagnosed with Sjogren syndrome. Which one of the following medications is a potent stimulator of tears? A- Bethanechol B- Carbachol C- Methacholine D- Pilocarpine Q- Ingestion of tyramine-containing food may cause hypertensive crisis for patients who use MAO inhibitors. Which one of the following medications can be given to those … Read more

Repeated USMLE Questions Step 1- Review- 44

Q- A person experienced devastating moment 10 years ago when her parents died in a motor vehicle accident. When asked today, she could not remember any details although she knew all the details of the accident when it happened. Which one of the following defense mechanisms most likely explains this reaction? A- Reaction formation B- … Read more

Repeated USMLE Questions Step 1- Review- 43- Pharmacology

Q- Overdose of acetaminophen most likely results in hepatic necrosis due to depletion of which one of the following substances? A- Bilirubin B- Glutathione C- Glycogen D- N-acetylcysteine Q- Which one of the following cyclic endoperoxides decreases both platelet aggregation and vascular tone? A- Prostacyclin B- Prostaglandin PGE1 C- Prostaglandin PGE2 D- Thromboxane Q- Ethosuximide … Read more

Repeated USMLE Questions Step 1- Review- 42

Q- Dwarfism is recognized as shortness in height that can be caused by genetic or medical conditions. Which of the following is the most common cause of dwarfism? A- Achondroplasia B- Osteonecrosis C- Osteopetrosis D- Rickets Q- Cervical subluxation, ulnar finger deviation and swan nick deformities are characteristic of which one of the following conditions? … Read more