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PTECH Pharmacology QUESTION #5755
Question 1
Physostigmine is preferred over other cholinergic agonists in certain CNS toxicities because:
  • It is a quaternary ammonium compound
  • It is an irreversible inhibitor
  • It is a tertiary amine that crosses the blood-brain barrier✔️
  • It has no muscarinic activity
Correct Answer Explanation
Physostigmine is a tertiary amine, allowing it to cross the blood-brain barrier.