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.

Question

Quizplus · Accepted Answer

Latroxin causes an excessive release of acetylcholine from motor neurons, leading to continuous stimulation of muscles, resulting in spasms and rigidity.

How Does Latroxin, the Venom of the Black Widow Spider