S1: Cholinergic System Flashcards by Emily Chan | Brainscape

Q

What does vecuronium do?

A

It acts as an classical competitive antagonist
Outcompetes acetylcholine for same binding site on Nic
Therefore reduces stimulation

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Q

What does suxamenthonium do?

A

Agonist with poor dissociation
Stays at synapse for a long time producing sustained EJP
VgNA channels become inactivated due to continual absolute refractory period
Prevents AP generation
No contraction

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Q

What do muscarinic agonist cause?

A

GI tract disturbances
Blurred vision
Excess salivation and sweating

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