Harry the hormone and Nadia the neurotransmitter can both exert physiological effects on their target organs. Which statement is true about Harry and Nadia??
a. ?Harry doesn't affect behavior, while Nadia does.
b. ?Nadia acts at a site away from where she was released, while Harry acts locally.
c. ?Harry acts at a site away from where he was released, while Nadia acts locally.
d. ?Neither Harry nor Nadia affects behavior.
ANSWER:
c
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Dialecticism, a concept grounded in Eastern traditions, can best be defined as
a. a system of thought characterized by the acceptance of contradictions. b. the notion that if one option is right, the other must be wrong. c. the idea that one's "true self" is stable in all situations. d. a characteristic of individualist cultures.
Vygotsky referred to the gap between what a learner can accomplish independently and what he can do with guidance and assistance as the
a. imaginary audience. b. personal fable. c. guided participation. d. zone of proximal development.
A school board educational committee in a rural community is contemplating how to help deprived children improve their academic performance. Which elements do they need to emphasize outside of the classroom, according to developmental psychologists??
a. ?A decrease in extracurricular activities b. ?A good balance between play time and study time c. ?The inclusion of more material rewards at home d. ?The presence of a supportive and stimulating adult at home
Sperm live for up to
A) twelve hours. B) two days. C) four days. D) six days.