What Is the Primary Mode of Action of Curare

question 12

Multiple Choice

What is the primary mode of action of curare?

• A) It decreases the number of functional receptors on the muscle cell by the process of phagocytosis, which impairs the ability of neurons to respond to acetylcholine.
• B) It blocks the sodium channels in the axon of the presynaptic axon.
• C) It blocks communication at the neuromuscular junction by preventing acetylcholine from binding to nicotinic cholinergic receptors.
• D) It decreases the amount of acetylcholine released from the synaptic terminal.
• E) It causes the degradation of the enzyme acetylcholinesterase.

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