Multiple Choice
Receptor molecules
A) are nonspecific.
B) are always lipids.
C) attach to the synaptic cleft.
D) determine whether a neurotransmitter will be excitatory or inhibitory.
E) are not attached to ligand-gated channels.
Correct Answer:
Verified
Correct Answer:
Verified
Q123: When a neurotransmitter binds to its receptor
Q124: Gap junctions are functionally _ synapses.<br>A) chemical<br>B)
Q125: Clusters of gray matter deep within the
Q126: Local hyperpolarization in a synapse is called
Q127: Voltage-gated Na<sup>+</sup> channels are sensitive to changes
Q129: The central nervous system includes the _.<br>A)
Q130: The blood-brain barrier<br>A) permits passage of foreign
Q131: The nervous system<br>A) monitors internal and external
Q132: The autonomic nervous system<br>A) stimulates skeletal muscle
Q133: Action potentials are conducted more rapidly when