42 PSYCHOLOGY
SELF-TEST- An axon
a. can be found in the cell body of a neuron
b. is a motor neuron
c. sends information in the direction of the cell body
d. sends information away from the cell body - Which one of the following is said to be a chemical messenger?
a. A cell nucleus
b. A neurotransmitter
c. A metabolic cell
d. A connector neuron - Informally, a neuron is said to “fire.” The formal term for “fire” is
a. signal recentering
b. depolarize
c. repolarize
d. adaptation - The two main divisions of the nervous system are
a. the brain and the spinal cord
b. the somatic and the parasympathetic divisions
c. the central nervous system and the peripheral nervous system
d. the right hemisphere and the left hemisphere - What structure functions like both a light switch and a rheostat?
a. The medulla
b. The thalamus
c. The reticular activating system
d. The cerebellum - The hypothalamus is associated primarily with
a. the regulation of biological drives
b. abstract intelligence
c. the curiosity drive
d. motor coordination - The cerebral cortex is associated primarily with
a. the inhibition of respiration
b. the regulation of biological drives
c. primal impulses
d. thinking