Multiple Choice
Botulinum toxin, or "botox", has become popular for cosmetic surgery.The toxin prevents neurosecretory vesicles from docking at the plasma membrane and releasing neurotransmitter.How would this toxin affect the neuromuscular junction?
A) Since ACh is not released, the muscles stay in a state of repeated contraction.
B) Since ACh is not released, the muscles are not activated to contract and remain relaxed.
C) Buildup of ACh causes promiscuous activation of all nearby sensory neurons.
D) Buildup of ACh leaks back into the brain, creating a calming effect.
Correct Answer:
Verified
Correct Answer:
Verified
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