Antiparkinsonian Drugs Classification Quiz
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Questions and Answers

What is the main goal of anticholinergic drugs in the treatment of parkinsonism?

  • Promote cholinergic effects in the body
  • Reduce tremors by inhibiting the action of acetylcholine (correct)
  • Inhibit the secretion of dopamine
  • Increase acetylcholine levels in the CNS

Which category of anticholinergic drugs includes benztropine, biperiden, and procyclidine based on their chemical structure?

  • Antipsychotic drugs
  • Synthetic secondary amines
  • Antihistamines with anticholinergic properties
  • Synthetic tertiary amines (correct)

How do anticholinergic drugs affect the levels of acetylcholine in the CNS?

  • Have no impact on acetylcholine levels
  • Promote cholinergic effects
  • Increase acetylcholine levels
  • Inhibit the action of acetylcholine (correct)

What is the main pharmacokinetic characteristic of dopaminergic drugs in terms of distribution?

<p>Widely distributed in body tissues (C)</p> Signup and view all the answers

Which drug is the metabolic precursor to dopamine among those used in treating parkinsonism?

<p><strong>Levodopa</strong> (C)</p> Signup and view all the answers

What is the primary adverse reaction associated with bromocriptine among patients with parkinsonism?

<p><strong>Persistent orthostatic hypotension</strong> (A)</p> Signup and view all the answers

Which drug acts in the brain to improve motor function by directly stimulating post-synaptic dopamine receptors?

<p><strong>Pergolide</strong> (C)</p> Signup and view all the answers

In pharmacotherapeutics, which condition are anticholinergics most effective for treating in patients with parkinsonism?

<p><strong>Sialorrhea</strong> (C)</p> Signup and view all the answers

Selegiline can increase dopaminergic activity by inhibiting the activity of which enzyme?

<p><strong>MAO</strong> (C)</p> Signup and view all the answers

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