Which best defines autoimmune disorders? a hardening due to calcium build-up
bone infections caused by bacteria
the body mistakenly attacking itself
an abnormal growth of cells

Microflora

Explanation:

the internal and external exposed surfaces of the human body are normally and harmlessly inhabited by a multitude of bacteria, collectively referred to as the normal microflora. Commensalism or mutualism For example, certain inhabitants of the human intestinal tract extract nutrients from the host and secrete essential vitamin byproducts of metabolism (e.g., vitamin K) that are absorbed and used by the host. (mutualist)

answer:

a licensed practical nurse (lpn), in much of the united states and canada, is a nurse who cares for people who are sick, injured, convalescent, or disabled. in the united states, lpns work under the direction of physicians.

explanation:

answer: all of the above

a. apply ice to the affected area.

b. administer tylenol (acetaminophen).

c. put a gate across the stairs.

d. apply knee and elbow protectors.