• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar

Repeated USMLE Questions

Free Questions and Answers for All Medical Students all over the World

  • USMLE Q Bank
  • USMLE Step 1
  • USMLE Step 2 CK
  • Pass USMLE
  • Question of the Day
  • Privacy Policy

Pharmacology MCQs- 203

by Dr Ray Makar Leave a Comment




A 33-year-old woman presents to the clinic for her regular yearly physical examination. She has a long history of depression and takes fluoxetine regularly for two years.

Which amino acid is the precursor of the neurotransmitter affected by this drug?

A- Glycine

B- Glutamate

C- Methionine

D- Phenylalanine

E- Tryptophan

Answer



Fluoxetine is a selective serotonin reuptake inhibitor (SSRI).

Tryptophan is converted to serotonin by tryptophan hydroxylase.

The correct answer is E







Filed Under: Pharmacology MCQs Tagged With: pharmacology, repeated usmle questions, usmle, usmle questions, usmle step 1

Reader Interactions

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Primary Sidebar







Recent Posts

  • USMLE Review- 7
  • Pharmacology MCQs- 297
  • USMLE Review- 6
  • Repeated USMLE Questions Step 1- 380
  • Pharmacology MCQs- 296

Copyright © 2021 · Genesis Sample on Genesis Framework · WordPress · Log in