Selective serotonin-reuptake inhibitors impact serotonin levels in the brain by_____________
a. stimulating the nucleus accumbens
b. mimicking serotonin molecules
c. causing synaptic vesicles in the axon to release large amount of serotonin
d. increasing the availability of serotonin by interfering with reuptake by transmitting neurons
D
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Fourteen-year-old Dora just found out that if she wants to be a teacher, she will have to take a four-year college course. She is in Ginzberg's ________ stage.
A) enterprising B) fantasy C) realistic D) tentative
Why do older adults need higher levels of illumination to see clearly?
a. The number of cones in the retina decreases. b. Hardening of the lenses begins at about age 20 . c. Pupil size decreases with age. d. There is a flattening of the retina.
Preschool egocentrism is to _____ as adolescent egocentrism is to _____
a. mixed viewpoints; no viewpoint c. mixed viewpoint; own viewpoint b. own viewpoint; mixed viewpoints d. no viewpoint; own viewpoint
What is the authors' position on the use of animal research in psychology?
A) Animal research provides important insights but also comes with costs in terms of death and suffering of these subjects. B) All animal research must be ended as soon as is possible. C) It is more desirable to harm animals than to harm humans in the research process. D) Results from animal research cannot inform us of how the same phenomenon occur with humans.