Repeated USMLE Questions

Repeated USMLE Questions Step 1- Review- 39- Pharmacology

Dr Ray Makar

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

A- Competitive antagonist- Flumazenil is a competitive antagonist acts on GABA receptor in cases of benzodiazepines overdose.  



Q- Which one of the following medications is properly used to improve acute dystonia in a case of parkinsonism?

A- Atropine

B- Benztropine

C- Oxybutynin

D- Scopolamine

B- Benztropine- It is a muscarinic antagonist acting on the CNS to improve acute dystonia associated with Parkinson disease.



Q- Which one of the following medications is the safest one to use in hypertension during pregnancy?

A- α-methyldopa

B- Clonidine

C- Lisinopril

D- Verapamil

A- α-methyldopa- It is the only one on the list that is considered safe in pregnancy It has some side effects such as hemolysis and SLE-like syndrome.



More Pharmacology MCQs

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