Long-Term Potentiation Is Associated with NMDA Receptors, One of Several

Multiple Choice

Long-term potentiation is associated with NMDA receptors, one of several types of receptors that bind to the excitatory neurotransmitter __________. Its binding opens an internal cation channel within the receptor that allows __________ influx into the postsynaptic neuron, triggering a cascade of biochemical changes that lead to synaptic strengthening.

A) GABA, Ca²⁺ ion
B) glutamate, Ca²⁺ ion
C) glutamate, K⁺ ion
D) GABA, K⁺ ion
E) acetylcholine, Ca²⁺ ion