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Human Body & Health

Which receptor binding change results when acetylcholinesterase inhibitors are present?

A)Prolonged postsynaptic depolarization occurs
B)Immediate presynaptic neurotransmitter reuptake
C)Accelerated neurotransmitter vesicular transport
D)Diminished neurotransmitter synthesis initiated

💡 Explanation

An acetylcholinesterase inhibitor causes acetylcholine to remain longer in the synaptic cleft, therefore the *prolonged synaptic receptor activation* results in persistent postsynaptic depolarization because the neurotransmitter isn't quickly broken down, rather than rapidly removed or resynthesized.

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