Define excitatory postsynaptic potential (EPSP) and inhibitory postsynaptic potential (IPSP)

A) An excitatory postsynaptic potential is a graded hyperpolarization by the postsynaptic cell and an inhibitory postsynaptic potential is a graded repolarization by the postsynaptic cell.
B) An excitatory postsynaptic potential is a graded repolarization by the postsynaptic cell and an inhibitory postsynaptic potential is a graded hyperpolarization by the postsynaptic cell.
C) An excitatory postsynaptic potential is a graded hyperpolarization by the postsynaptic cell and an inhibitory postsynaptic potential is a graded depolarization by the postsynaptic cell.
D) An excitatory postsynaptic potential is a graded depolarization by the postsynaptic cell and an inhibitory postsynaptic potential is a graded hyperpolarization by the postsynaptic cell.
E) An excitatory postsynaptic potential is a graded depolarization by the postsynaptic cell and an inhibitory postsynaptic potential is a graded repolarization by the postsynaptic cell.


Answer: D

Anatomy & Physiology

You might also like to view...

In substrate-level phosphorylation, energy is first released to coenzymes and then transferred to form ATP

Indicate whether this statement is true or false.

Anatomy & Physiology

Multiple sclerosis is an autoimmune disease in which the body's defense system erroneously attacks the myelin sheath surrounding myelinated nerve fibers

Indicate whether the statement is true or false

Anatomy & Physiology

Which answer helps to explain why carbon atoms tend to make 4 covalent bonds?

What will be an ideal response?

Anatomy & Physiology

The base of the spiral organ responds to low frequencies of sound.

Answer the following statement true (T) or false (F)

Anatomy & Physiology