Which of the following demonstrates the Babinski reflex?
An infant performs walking movements when held upright with his feet
touching the floor.
An infant's toes fan upward when her foot is stroked.
An infant flings his arms outward when startled.
An infant turns her head and starts sucking when her cheek is stroked.
An infant's toes fan upward when her foot is stroked.
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The principle of equifinality, or the concept of multiple pathways, means that
a. many risk factors might be involved in a disorder's etiology. b. disorders must always be explained in terms of many different risk factors. c. a diathesis must always be combined with some form of stress. d. the same risk factors can produce many different disorders.
Alcoholism is viewed by most experts as being separate and different from addiction to other mind-altering substances, since it is the most easily treated form of substance-related problem
a. True b. False Indicate whether the statement is true or false
Research on parent-adolescent communication has found that boys are more likely to learn about sex from: a. Religious figures and siblings. b. Their peers and the media
c. Their mothers and peers. d. Their fathers and the media.
If a mother smokes heavily during pregnancy, it is more likely that the infant will be born
a. with a cleft palate. b. premature and underweight. c. addicted to nicotine. d. with facial abnormalities.