When the postsynaptic cell is not depolarized, NMDA receptors
a. allow both sodium and calcium to enter the cell.
b. are blocked by a molecule of calcium.
c. are blocked by a molecule of magnesium
d. allow potassium to leave the cell.
Question 2
Long-term potentiation (LTP) in the hippocampus probably involves _________ receptors.
a. GABA
b. THC
c. nicotinic acetylcholine
d. NMDA glutamate