The procedure that poses the LEAST risk to the fetus is:
a. amniocentesis. c. chorionic villus sampling.
b. ultrasound. d. alpha-fetoprotein assay.
D
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Research with obese-prone rats shows cells in the _____ don't grow much and are less sensitive to _____.
A. thalamus; CCK B. ventromedial hypothalamus; leptin C. lateral hypothalamus; PYY D. medulla; PYY
Lewin would argue that the need for food would be a _____ need, whereas the need for concert tickets would be a _____ need
a. central; peripheral b. primary; secondary c. basic; fun d. motivational; learned
K. Warner Schaie traced which of the following intelligences over the years of adulthood?
eight distinct intelligences fluid and crystallized intelligences five primary abilities general intelligence
__________ is an example of a primary reinforcer, whereas __________ is an example of a secondary reinforcer
A) A cupcake; a certificate of achievement B) Money; receiving an A+ C) Water; food D) A gold star; cupcake