IPSPs (inhibitory postsynaptic potentials)
A) are local depolarizations.
B) are local hyperpolarizations.
C) increase membrane permeability to sodium ions.
D) block the efflux of potassium ions.
E) block the efflux of calcium ions.
Question 2
EPSPs (excitatory postsynaptic potentials) occur when
A) more potassium ions than usual leak out of a cell.
B) more calcium ions than usual leak out of a cell.
C) chloride ions enter a cell.
D) extra sodium ions enter a cell.
E) hyperpolarizations occur.