An inhibitory postsynaptic potential (IPSP) will occur if a membrane is made more permeable to ________.
A) potassium ions
B) sodium ions
C) ATP
D) all neurotransmitter molecules

Question

Quizplus · Accepted Answer

An inhibitory postsynaptic potential (IPSP) occurs when the postsynaptic membrane becomes more permeable to potassium ions (and sometimes chloride ions), leading to hyperpolarization and making it less likely for a neuron to fire an action potential.

An Inhibitory Postsynaptic Potential (IPSP) Will Occur If a Membrane