An injury that produces a concussion

A. is a mild injury that does not require medical attention.
B. is a type of open head injury.
C. can produce symptoms that range from mild to a coma.
D. does not produce unconsciousness.

Answer: C

Psychology

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Skinner's term for voluntary, spontaneous behavior is:

a. respondent behavior. c. fixed behavior. b. operant behavior. d. extinguishable behavior.

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