One of the Functions of Skin Is the Synthesis of Vitamin

question 31

Multiple Choice

One of the functions of skin is the synthesis of vitamin D. Which of the following would be evidence for this function?

• A) Vitamin D levels are higher in people who take supplements, such as multivitamins.
• B) Vitamin D levels are lower in people who wear sunscreen.
• C) Cancer rates are higher in people with more sun exposure.
• D) People living in the tropics are vitamin D deficient.

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Definitions:

Mixed Cost

A cost that contains both variable and fixed cost components, changing in total with levels of activity but not proportionately.

T-shirt

A garment for the upper body made of fabric, typically with short sleeves and a round neckline, worn as casual wear.

Variable Cost

Expenses that vary directly with the level of production or volume of operations in a business.

Period Cost

These are costs that are not directly tied to the production process and are expensed in the period in which they occur. Examples include selling, general, and administrative expenses.