How Does Latroxin, the Venom of the Black Widow Spider

question 26

Multiple Choice

How does latroxin, the venom of the black widow spider, cause muscle spasms and rigidity?

• A)It stimulates acetylcholine release from motor neurons.
• B)It inhibits acetylcholine release from motor neurons.
• C)It stimulates acetylcholine release from autonomic preganglionic neurons.
• D)It blocks nicotinic cholinergic receptors.
• E)It inhibits the degradation of acetylcholine at all synapses.

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