Human Growth and Development CLEP Prep Practice Exam

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The main role of epinephrine in the body during adolescence is to

  1. Stimulate physical growth

  2. Cause emotional disturbances

  3. Increase the ability to communicate

  4. Regulate the fight or flight response

The correct answer is: Regulate the fight or flight response

Epinephrine is a hormone that is primarily responsible for regulating the body's fight or flight response. This response prepares the body for perceived danger or stress by increasing heart rate, blood pressure, and breathing rate, among other physical changes. While epinephrine may also play a role in physical growth during adolescence, this is not its main function. Emotional disturbances and increased communication abilities are also not directly caused by epinephrine. Therefore, the correct answer is D, as it reflects the primary purpose of epinephrine in the body during adolescence.

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