Which of the following is true of neural impulses in a single neuron?
A. The neuron may fire during the absolute refractory period.
B. The strength of a neural impulse increases as the strength of the incoming message gets stronger.
C. The strength of a neural impulse decreases as the strength of the incoming message gets stronger.
D. The strength of a neural impulse is the same each time the neuron fires.
Answer: D
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