Which of the Following Statements Indicates the Way in Which

question 20

Multiple Choice

Which of the following statements indicates the way in which the body's natural defenses protect the skin from the effects of UV damage?

• A) The skin is protected by the synthesis of three pigments that contribute to the skin's color.
• B) The skin is protected by increasing the number of epidermal dendritic cells, which help to activate the immune system.
• C) Prolonged exposure to the sun induces melanin dispersion, which in turn acts as a natural sunscreen.
• D) Carotene, which accumulates in the stratum corneum and hypodermal adipose tissue, is synthesized in large amounts in the presence of sunlight.

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Definitions:

Precipitation

Any kind of water, whether in liquid or solid state, descending from the sky and landing on the surface, encompassing rain, snow, sleet, and hail.

Vector-borne Disease

Illnesses caused by pathogens and parasites in human populations, transmitted by vectors such as mosquitoes, ticks, and fleas.

Pearson Correlation

A measure of the linear correlation between two variables, denoted by the correlation coefficient, ranging from -1 to 1, where 1 indicates a perfect positive linear relationship, -1 a perfect negative linear relationship, and 0 no linear relationship.

P-value

The probability of obtaining test results at least as extreme as the results observed, assuming that the null hypothesis is true.