Juan, a graduate student in an electrophysiology lab, stimulates an isolated neuron grown in a petri dish and measures its action potential. How will the neuron respond to the firing of the action potential?
a. Its dendrites will retract.
b. Its dendrites will extend.
c. It will take up chemical messengers.
d. It will release chemical messengers.
ANSWER:
d
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Chris is a painfully shy 24-year-old woman who usually stays at home and rarely interacts with others outside of her immediate family. At work she stays away from other people, preferring to remain in the stock room as often as possible. She rarely
initiates conversations at work or at home. Chris seems to exhibit __________ personality disorder. a. paranoid b. avoidant c. borderline d. narcissistic
If you were interested in finding out how learning increases with increases in studying, what statistical question would you be asking?
a. Is there a relationship? b. Is there a difference? c. Is there a variable? d. A decision tree is needed to answer this question.
The Wechsler Intelligence Scale for Children (WISC-IV) test differs from the Stanford-Binet test because only the WISC-IV
a. is administered in groups rather than individually. b. emphasizes verbal abilities. c. has separate scores for verbal and performance abilities. d. is administered to children.
During adolescence, the amount of gray matter in the brain decreases and the amount of white matter increases
Indicate whether the statement is true or false