Which of the following would NOT terminate the effects of the neurotransmitter?
A) presence of calcium ions in the presynaptic neuron
B) reuptake of neurotransmitter into the presynaptic neuron
C) diffusion of the neurotransmitter into the extracellular fluid
D) degradation of the neurotransmitter by enzymes
Answer: A
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Fill in the blank(s) with the appropriate word(s).