Which Factor Has Contributed to the Decline in Adolescent Pregnancy

question 84

Multiple Choice

Which factor has contributed to the decline in adolescent pregnancy rates in the United States?

• A) increased abortion rates
• B) later initiation of sexual activity and increased contraceptive use
• C) mandatory sex education programs in both public and private schools
• D) increase in abstinence programs in public schools

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Definitions:

Circadian Cycles

Biological processes that occur within roughly a 24-hour cycle in living organisms, influencing sleep, hormone release, and other bodily functions.

Melatonin

A hormone produced by the pineal gland that regulates sleep-wake cycles.

Diurnal

Relating to or occurring during the day or in the daytime, often in contrast to nocturnal.

Pineal Gland

A small endocrine gland in the vertebrate brain that produces melatonin, which helps regulate sleep patterns.