Temporal summation may occur at the neuromuscular junction because
a. action potentials last longer than muscle contractions
b. muscle contractions last longer than action potentials.
c. many motor neurons form synapses at a single neuromuscular junction.
d. acetylcholine is broken down slowly in the synaptic gap.
b
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Which statement is correct regarding the change in relationships after retirement?
A. Relationships become smoother as there are fewer work-related stresses. B. Retired husbands typically desire more alone time. C. Women become more assertive and autonomous. D. Women typically desire greater companionship.
Recent research indicates that newborns have a natural attraction for tracking a. a moving face
b. all face-like stimuli. c. only the faces of their biological mothers. d. faces of certain types of animals (e.g., dogs, cats).
In cross-cultural studies by positive psychologists, all of the following have been identified as major virtues EXCEPT
a. courage & wisdom. c. humanity & justice. b. competitiveness & individuality. d. transcendence & temperance.
Writing a letter to the editor, debating the budget at a school board meeting, testifying for a Congressional committee, and helping to create a community coalition to address youth violence, are examples of what concept in Chapter 11?
a. citizen participation b. critical awareness c. referent power d. the power to influence how issues are framed