Dr. Ruggs is giving a lecture about the all-or-none-law. What would she tell the class?
A. That all neurons produce an action potential at the same time or none produce one.
B. That all neurons are active at the same time or none at all.
C. That all ion channels open at the same time or none at all.
D. That after reaching threshold, the amplitude and velocity of the action potential is the same each time.
Answer: D
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Maslow, based on his research, concluded that self-actualizers focus on:
a. problems outside themselves. b. the social acceptability of their actions. c. problems in their personal lives. d. their safety needs.
The children's game where one is guided by the words "hot" or "cold" to find something hidden is similar to
a. prompting. b. reinforcer sampling. c. intermittent reinforcement. d. shaping.
Having a drug with a high receptor affinity suggests that:
a. the drug will strongly activate the receptor. b. the drug will outcompete drugs with lower affinities for the receptor. c. the drug will strongly block the receptor. d. the drug will large value for a dissociation constant.
In what year was the most recent version of the Diagnostic and Statistical Manual of Mental Disorders (DSM- 5 ) published?
A) ?1953. B) ?1975. C) ?1995. D) ?2013.