Which of the following chemicals paralyzes skeletal muscle by binding to the acetylcholine receptor sites?
A) black widow spider venom.
B) curare.
C) organophosphates.
D) DDT.
E) local anesthetics.

Question

Quizplus · Accepted Answer

Curare is a naturally occurring poison found in certain plants that blocks the acetylcholine receptor sites on skeletal muscle cells, preventing the neurotransmitter acetylcholine from binding and causing muscle contraction. This results in paralysis of skeletal muscle, leading to respiratory failure and potentially death.

Which of the Following Chemicals Paralyzes Skeletal Muscle by Binding