Pharmacology MCQs- 280

Dr Ray Makar

4 years ago

Q- Which of the following is the currently drug of choice for the treatment of cutaneous anthrax?

A- Azithromycin

B- Ciprofloxacin

C- Gentamicin

D- Penicillin

B- Ciprofloxacin- It is the most recent treatment. Penicillin used to be In the past but not anymore because of allergy and effectiveness of ciprofloxacin.

Q- Which of the following is the mechanism of action of benzodiazepines in the treatment of insomnia?

A- Alpha adrenergic antagonist

B- Binds to serotonin receptors

C- Binds to GABA receptors

D- Dopamine receptor agonist

C- Binds to GABA receptors- Benzodiazepines are known for their activation of GABA receptors. Other choices are distractions.

Q- A single injection of leuprolide was given to a man 2 weeks ago. Which of the following changes could be revealed today?

A- Decreased testosterone production

B- Increased FSH receptors

C- Increased LH receptors

D- Increased testosterone production

D- Increased testosterone production- No effect on receptors but it increases FSH/LH and steroid production.