The nurse outlines the functions of the immune system as those actions which: (Select all that apply.)
a. Prevention of hemorrhage
b. Protection of the body's internal environment
c. Maintenance of hemoglobin level
d. Maintenance of homeostasis by removing damaged cells
e. Destruction of growth of abnormal cells
ANS: B, D, E
The three main functions of the immune system are to protect the body's internal environment by destroying antigens and pathogens, maintenance of homeostasis by removing damaged cells, and the destruction of abnormal growth in the body.
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