Multiple Choice
Atropine is an antagonist of ACh and works by
A) selectively binding to nicotinic receptors
B) selectively binding to muscarinic receptors
C) blocking the binding of ACh
D) selectively binding to nicotinic receptors and selectively binding to muscarinic receptors
E) selectively binding to muscarinic receptors and blocking the binding of ACh
Correct Answer:

Verified
Correct Answer:
Verified
Q43: The preganglionic fibers of the autonomic nervous
Q54: Complete each of the following statments.<br>In the
Q58: Acetylcholine<br>A) opens voltage-gated Na<sup>+</sup> channels in skeletal
Q60: Complete each of the following statments.<br>_ is
Q63: Complete each of the following statments.<br>The two
Q64: Acetylcholine<br>A) binds to cholinergic receptors on preganglionic
Q69: Atropine blocks all nicotinic receptor sites.
Q135: Sympathetic stimulation _ heart rate and _
Q142: ACh always causes depolarization of skeletal muscles.
Q167: The parasympathetic nervous system dominates in situations