Infusing __________ into the MPA of virgin rats stimulates maternal behavior.
A. prolactin
B. oxytocin
C. progesterone
D. estradiol
Answer: A
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Which of the following is the best definition of a reflex?
a. A behavior that has been repeated over and over b. An automatic response to stimulus c. A voluntary muscle movement d. The first type of sense developed after birth
Substances that are reputed to increase sexual desire or pleasure are called
a. aphrodisiacs. b. sexual stimulators. c. sensate focus drugs. d. sexual scripts.
Growth spurts for girls happen around age 12 and age 10 for boys
Indicate whether the statement is true or false.
During middle childhood, the Eustachian tube becomes longer, narrower, and more slanted, resulting in __________ of __________
A) more frequent bouts; otitis media B) higher rates; strep throat C) lower rates; sinus infections D) reduced incidence; otitis media