Question 1
The image of a key fitting into a keyhole is most useful in understanding how
◦ synaptic vesicles are opened by an action potential.
◦ the end of one neuron fits snugly into another.
◦ ion channels open and close.
◦ neurotransmitters bind to receptor molecules.
Question 2
The limbic system includes the
◦ medulla, hippocampus, and pons.
◦ hypothalamus, cerebrum, and cerebellum.
◦ hypothalamus, hippocampus, and amygdala.
◦ reticular formation, amygdala, and thalamus.