Which of the following is a quaternary ammonium compound used to reduce salivary and respiratory secretions preoperatively?
Show answer and explanation
Correct answer: Glycopyrrolate
Glycopyrrolate is a quaternary muscarinic antagonist that does not cross the blood-brain barrier. It is preferred over atropine in some surgical settings because it has a longer duration of action and fewer CNS effects.
Keep practicing
More Cholinergic Antagonists questions
- What is the primary ocular effect of Tropicamide drops administered during an eye examination?
- Which of the following neuromuscular blockers is a 'depolarizing' agent that acts as a nicotinic receptor agonist before causing a blockade?
- Why are muscarinic antagonists contraindicated in patients with narrow-angle glaucoma?
- Atracurium is a non-depolarizing neuromuscular blocker that undergoes a unique spontaneous degradation in the plasma. This process is calle…
- Which drug is used specifically to treat Malignant Hyperthermia, a rare but life-threatening reaction to Succinylcholine?
- Sugammadex is a novel reversal agent used specifically for which type of drugs?