Parkinson Disease Drugs · Pharmacology

Which drug mechanism increases dopamine levels by inhibiting its breakdown in the brain?

  1. Acetylcholinesterase inhibition
  2. Beta receptor stimulation
  3. Monoamine oxidase B inhibition
  4. Serotonin reuptake inhibition
Show answer and explanation

Correct answer: Monoamine oxidase B inhibition

MAO-B inhibitors block the enzyme monoamine oxidase-B, which breaks down dopamine in the brain. This leads to increased dopamine availability.

Difficulty: Medium Question 19 of 20

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