The nurse is explaining defense mechanisms to a client and uses the representative barrier example in the first line of defense known as
A) antigen-antibody reaction.
B) cell-mediated immunity.
C) inflammatory response.
D) pH of vaginal secretions.

Question

Quizplus · Accepted Answer

First-line defenses include physical and chemical barriers and the body's own natural flora. The chemical composition of body secretions such as tears and sweat, together with the pH of saliva, vaginal secretions, urine, and digestive juices, further prevents or inhibits growth of organisms.

The Nurse Is Explaining Defense Mechanisms to a Client and Uses