The nurse educator is differentiating primary immunodeficiency diseases from secondary immunodeficiencies. What is the defining characteristic of primary immunodeficiency diseases?
A) They require IVIG as treatment.
B) They are the result of intrauterine infection.
C) They have a genetic origin.
D) They are communicable.
Ans: C
Feedback:
Primary immunodeficiency diseases are genetic in origin and result from intrinsic defects in the cells of the immune system. Primary immunodeficiency diseases do not always need IVIG as treatment, and they are not communicable. Primary immunodeficiencies do not result from intrauterine infection.
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