Randy Exercises More Than Most People and Continues to Train

question 22

Multiple Choice

Randy exercises more than most people and continues to train even when he has a cold or an injury. His friends joke that Randy seems addicted to exercise. According to Focus on Neuroscience, Randy's compulsive exercising:

• A)may be due to the involvement of his brain's opioid system and the production of endorphins.
• B)is an indicator of decreased levels of dopamine and increased risk of Parkinson's disease.
• C)may be due to the involvement of his limbic system and the production of acetylcholine.
• D)is an indicator of the overproduction of dopamine and an increased risk of schizophrenia.

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Definitions:

German Americans

Individuals in the United States who have full or partial German ancestry, constituting one of the largest ethnic groups in the country.

Racial Animosity

Hostility or hatred between different racial groups, which can lead to discrimination and social tension.

Demographic Trends

Patterns and changes in the composition of a population over time, such as age, race, and gender distributions.

Political System

The set of formal legal institutions that constitute a government or a state. This includes laws, policies, and procedures that define the way a state is governed.