Ca2+ enters the cell when an action potential is generated. Diffusion and electrostatic pressures push Ca2+ into the cell. Ca2+ channels are:

a. passive.
b. chemically-gated.
c. voltage-gated.
d. chemically-gated and voltage-gated.


Answer: C

Psychology

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The so-called "bad apple" effect refers to the idea that ____

a. people who are socially rejected by others tend, as a result, to become increasingly deviant and nonconformist b. groups that consist of about twelve or more people tend to include at least one person who is a "rule-breaker" c. people who are deviant in one situation or at one time tend to be deviant in other situations and at other times as well d. one person who breaks the rules can inspire others to break the rules

Psychology

Older adults in our society who are contemplating suicide are

a. likely to fail to complete the suicidal act once they have undertaken the attempt b. unlikely to be deliberate in their suicidal behavior c. likely to ask for help that might alter their decision d. all of these e. none of these

Psychology

Bob has learned that he can usually get what he wants from his parents if he keeps whining for something

One day Bob starts whining in the toy store because he wants a GI Joe action figure. His father refuses to give it to him and ignores his whining. What will happen? A) Generalization B) Extinction C) Spontaneous recovery D) Negative reinforcement

Psychology

In the _____ acculturation strategy, an individual rejects much of his new culture and retains much of his original culture.

A. assimilation B. separation C. marginalization D. integration

Psychology