Melissa Uses a Sunscreen with an SPF Rating of 20

question 27

Multiple Choice

Melissa uses a sunscreen with an SPF rating of 20.This does this mean?

• A) She can stay in the sun for 20 minutes without getting tanned or burned.
• B) She can stay in the sun 20 times longer without getting burned than if she didn't use it.
• C) She is protected against the full range of ultraviolet radiation.
• D) Her sunscreen contains 20 different ingredients to block ultraviolet radiation.

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Definitions:

CVA (Stroke)

A medical condition characterized by rapid loss of brain function due to a disturbance in the blood supply to the brain, known as cerebral vascular accident.

Normal Saline Irrigation

A medical procedure involving the flushing of body tissues with a solution of sodium chloride to clean wounds or clear nasal passages.

Draining Wound

A wound that produces fluid or pus, often indicating infection or the process of cleaning and healing.

Fluid Balance

The equilibrium maintained between fluid intake and fluid loss in the body to ensure proper physiological functioning.