An inhibitory post-synaptic impulse (IPSP): A) is represented by a movement of the neuron to a more positive voltage. B) moves the neuron further away from firing. C) involves the action of acetylcholine. D) occurs when Na⁺ ion channels open. E) occurs when K⁺ ion channels close.

Question

Quizplus · Accepted Answer

An IPSP makes the inside of the neuron more negative, moving it further from the threshold needed to fire an action potential, thus inhibiting firing.

An Inhibitory Post-Synaptic Impulse (IPSP)