The role of the _____ is to prevent teratogens from affecting the fetus
a. placenta c. father
b. endoderm d. ectoderm
a
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According to a national survey of older adults, approximately what percent of adults 85 years old and older rated their health as good, very good, or excellent?
a. 0% b. 10% c. 25% d. Over 50%
The research on mental rotation has shown that
a. people use very different strategies when they rotate letters of the alphabet, as opposed to abstract geometric figures. b. right-handed people and left-handed people are basically identical in their ability to recognize pictures of left and right hands. c. young people are typically faster than elderly people in the speed of their mental rotation. d. young people and elderly people differ greatly in their sense of direction.
How many children and adolescents with histories of maltreatment involving sexual abuse or combined sexual and physical abuse meet criteria for post-traumatic stress disorder (PTSD)?
a. 20% b. 30% c. 50% d. 60%
Which of the following is true of withdrawal symptoms?
A. They can be artificially produced by electrically stimulating the VTA. B. They are modulated through the cerebellum. C. They can be terminated by administration of an antagonist. D. They are due to mechanisms separate from the mechanisms of addiction.