You are looking at a neuron under a microscope. You find many structures coming off the cell body. Some of these are relatively thick and branch many times. One of the structures, however, is very thin and very long. This latter structure is most likely the neuron's ____, which carries the ____.
a. dendrite; efferent signal
b. dendrite; afferent signal
c. axon; action potential
d. axon; receptors
Question 2
Eycine operates the telephone switchboard at a large company, answering calls and directing them to the appropriate extensions. Remembering her introductory psychology class, she decides that her situation is much like the ____ of neurons because numerous people can call her at one time, but she can send out only one call at a time.
a. sodium and potassium
b. dendrites and axons
c. myelin and mitochondria
d. synapses and neurotransmitters