In the parasympathetic system, the terminal buttons of preganglionic fibers secrete __________, whereas the postganglionic fibers secrete __________.
A. norepinephrine; acetylcholine
B. glutamate; acetylcholine
C. serotonin; norepinephrine
D. acetylcholine; acetylcholine
Answer: D
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Pierre's secondgrade teacher is very critical of all his work. She rarely praises him and frequently ridicules even his best efforts. As a result, Pierre is reluctant to attempt new tasks. Erikson's theory predicts that Pierre is likely to end up with a sense of
a. mistrust. b. guilt. c. inferiority. d. shame and doubt. e. insecurity.
Many cultures transmitted complex knowledge from one generation to the next without writing or printing. What property of oral language permits the transmission of knowledge across generations?
a. displacement c. semanticity b. phonology d. systems of communication
Amanda has a busy job in which she frequently must stay up late at night to complete work despite needing to be up early in the morning. How might her sleep habits be influencing her weight?
A. She will have lower ghrelin release, which will reduce her metabolism. B. She will have higher leptin levels, which will increase her eating. C. She will have lower leptin levels, which will increase her eating. D. She will have higher CCK levels, which will increase her metabolism.
Eleven-month-old Esteban loves to pick up Cheerios, peas, and beans with just his thumb and index finger. This method of picking up objects is known as the ___________ grasp
a. pincher c. pincer b. ulnar d. scissor