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Repeated USMLE Questions Step 1- Review- 51- Pharmacology

Q- Which one of the following medications can be used safely in a case of hepatic cirrhosis or liver failure? A- Fluoxetine B- Lorazepam C- Metronidazole D- Warfarin Q- Morphine is NOT used in which one of the following conditions due to its unwanted effect on the involved organ? A- Biliary pain B- Myocardial infarction … Read more

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- 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- 41- Pharmacology

Q- In a peptic ulcer patient, which one of the following medications acts through reversible block of histamine H2-receptors? A-Misoprostol B-Omeprazole C-Ranitidine D-Sucralfate   Q- Which one of the following anti-coagulant medications may cause drug-induced thrombocytopenia? A-Bivalirudin B-Heparin C-Streptokinase D-Warfarin   Q- Which one of the following medications is used to prevent cardiotoxicity caused by … Read more

Repeated USMLE Questions Step 1- Review- 39- Pharmacology

Q- Flumazenil is used in the treatment of diazepam overdose. Flumazenil is an example of which one of the following types of interaction? A- Competitive antagonist B- Full agonist C- Non-competitive antagonist D- Partial agonist Q- Which one of the following medications is properly used to improve acute dystonia in a case of parkinsonism? A- … Read more