Reflex circuits:
a. typically involve thousands of neurons.
b. typically involve one chain of neurons.
c. typically involve dozens of neurons.
d. always involve the brain.
Answer: A
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The longest phase of prenatal development is the period of
a. the embryo. c. the fetus. b. viability. d. the zygote.
Regular health care visits are important early in the pregnancy, especially for a first pregnancy. Which mother-to-be is most likely to receive adequate prenatal care in the United States?
a. Carlie, a white 16-year-old who was kicked out of her parents’ house for getting pregnant and is crashing with different friends every night. b. Mary, an African American housekeeper who works for a wealthy family in New York City and lives alone. c. Juanita, a single 36-year-old Hispanic post-office clerk who lives in an inner-city neighborhood. d. Jeanette, a 28-year-old white woman who works as a legal assistant in her husband’s law office and lives in the suburbs.