Carbachol's property of being resistant to hydrolysis and non-selective means:

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Multiple Choice

Carbachol's property of being resistant to hydrolysis and non-selective means:

Explanation:
Carbachol is a direct-acting cholinergic agonist that combines two key traits: it resists hydrolysis by acetylcholinesterase, so its effects last longer than acetylcholine, and it is non-selective, meaning it activates both muscarinic and nicotinic receptors. The resistance to breakdown explains the prolonged action, while non-selectivity explains actions at both receptor types. So describing it as resistant to hydrolysis and non-selective correctly captures how carbachol behaves pharmacologically.

Carbachol is a direct-acting cholinergic agonist that combines two key traits: it resists hydrolysis by acetylcholinesterase, so its effects last longer than acetylcholine, and it is non-selective, meaning it activates both muscarinic and nicotinic receptors. The resistance to breakdown explains the prolonged action, while non-selectivity explains actions at both receptor types. So describing it as resistant to hydrolysis and non-selective correctly captures how carbachol behaves pharmacologically.

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