Exposure of the Skin to Ultraviolet Light

question 13

Multiple Choice

Exposure of the skin to ultraviolet light

• A) can result in increased numbers of melanocytes forming in the skin.
• B) can result in decreased melanin production by melanocytes.
• C) can cause destruction of vitamin D₃.
• D) can increase melanocyte activity.
• E) has no effect on the skin cells.

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Definitions:

Benzodiazepines

A class of psychoactive drugs used primarily for treating anxiety, seizures, insomnia, and for inducing relaxation before surgeries.

Barbituric Acid

An organic compound used in the synthesis of barbiturate drugs, which act as central nervous system depressants.

Tension

A state of mental or emotional strain, often resulting from demanding circumstances or the anticipation of such.

Anxiety

A feeling of worry, nervousness, or unease typically about an imminent event or something with an uncertain outcome.