When the Arrector Pili Muscles Contract

question 47

Multiple Choice

When the arrector pili muscles contract

• A)the body is able to lose heat.
• B)no change is noted on the skin surface.
• C)the hair on your arms and legs begins to curl.
• D)the sweat glands empty their contents onto the surface of the skin.
• E)"goose bumps" form on the skin.

Understand the process of keratinization and its importance to skin health.

Recognize the skin's role in protection against environmental hazards.

Describe the characteristics and detection methods of skin cancer.

Understand skin pigmentation, its variations, and factors affecting it.

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Definitions:

Negative Reinforcement

A type of operant conditioning that involves the removal of an unpleasant stimulus to increase the likelihood of a desired behavior.

Conditional Punishment

Rendering a consequence that reduces the likelihood of a behavior occurring in the future by associating it with an aversive outcome.

Primary Reinforcement

A naturally reinforcing stimulus, such as food or water, which fulfills a biological need.

Secondary Reinforcement

A process in behaviorism where a stimulus reinforces a behavior after it has been associated with a primary reinforcer, often taking the form of social approval, tokens, or money.