The myelin sheath, which is found around some types of axons,
a. has no known function.
b. is composed of glial cells.
c. decreases the speed of nerve signal conduction.
d. increases the likelihood that harmful substances will reach the brain.
Answer: b. is composed of glial cells.
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Which of the following best describes the means by which neurons communicate with each other?
a. Sodium ions from one neuron flow into a second neuron, and potassium ions flow out. b. Potassium ions from one neuron flow into a second neuron, and sodium ions flow out. c. Neurotransmitters flow across the synapse and attach to receptor sites. d. Electrical charges cross the synapse.
The term ____________________ refers to a group of officers in Salinas Valley Prison, California who were implicated in a variety of unethical behaviors.
Fill in the blank(s) with the appropriate word(s).
Based on research, reliability would be lowest for a diagnosis of ____ disorder.?
a. ?somatic symptom b. ?antisocial personality c. ?delusional d. ?bipolar I
Values that are consciously developed and accepted as their own by individuals are known as _____ values
a. scientific c. explicit b. individual d. implicit