How does latroxin, the venom of the black widow spider, cause muscle spasms and rigidity?
A) It stimulates acetylcholine release from autonomic preganglionic neurons.
B) It inhibits acetylcholine release from motor neurons.
C) It stimulates acetylcholine release from motor neurons.
D) It inhibits the degradation of acetylcholine at all synapses.
E) It blocks nicotinic cholinergic receptors.

Question

Quizplus · Accepted Answer

Latrotoxin, the primary component of black widow spider venom, causes muscle spasms and rigidity by stimulating the release of acetylcholine from motor neurons, leading to excessive stimulation of muscles.

How Does Latroxin, the Venom of the Black Widow Spider