Ais a disease-related change that the doctor can directly observe such as body temperature

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.

True or false: determining the source and motive of an ad for a health product will you decide whether the ad is a reliable source of health information.

Bloodborn pathogens are infectious microorganisms carried by what?