Which developmental principle derives from Greek and Latin roots meaning "head-to-tail"?
A. proximodistal
B. hierarchical integration
C. independence of systems
D. cephalocaudal
Answer: D
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Haley and her boyfriend are sexually active, but they are not concerned about contracting STIs. Why are adolescents more vulnerable to STIs compared to older individuals?
A. Adolescents are less likely than older people to use protection against STIs during intercourse. B. Adolescents are more likely to engage in vaginal intercourse, which does not transmit STIs. C. Because adolescents recently went through puberty, their bodies are more prone to infection. D. Adolescents typically have fewer sex partners, which reduces the odds of contracting an STI.
Research on pregnant women and smoking indicates that
a. many pregnant women try to stop smoking, but it's difficult to overcome this addiction. b. Black and Latina women are more likely than White women to smoke during pregnancy. c. although women are aware of the harm to the developing fetus, few pregnant women try to stop smoking during their pregnancy. d. pregnant women typically increase their rate of smoking, because hormonal increases strengthen nicotine addiction.
Rods are to ____ as cones are to ____
a. the periphery; the fovea b. red; blue c. vertebrates; invertebrates d. reading text; reading road signs
A person who thrashes about while in REM sleep would most likely be diagnosed with ____
a. ?insomnia b. ?narcolepsy c. ?REM behavior disorder d. ?sleep apnea