Of all the types of hepatitis infections, which one is least likely to cause symptoms?
a. A c. C
b. B d. D
C
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Drugs can change consciousness by mimicking naturally occurring __________ in the body, or by __________ the ability of neurons to receive messages from neighboring neurons.
A. neurotransmitters; enhancing B. brain waves; blocking C. neurotransmitters; blocking D. reactions; enhancing
In online studies using the game Cyberball, researchers found that experiencing social exclusion by fictitious peers online __________.
A. produced greater activity in the social brain network for adolescents than for adults B. produced about the same amount of activity in the social brain network for adolescents as for adults C. produced less activity in the social brain network for adolescents than for adults D. activated entirely different areas of the brain in adolescents than in adults
The cells that produce myelin in the parts of the nervous system outside of the brain and spinal cord are called ______.
A. Ranvier cells B. astrocytes C. oligodendrocytes D. Schwann cells
Greta fears that something extremely embarrassing will happen if she leaves home or enters an unfamiliar situation. Thus, it is virtually impossible for her to go outside her home alone, be in a crowd, stand in line, or ride in a car. Greta most likely has which disorder?
a. agoraphobia b. conversion disorder c. an obsessive-compulsive disorder d. a panic disorder