Cases of primary immunodeficiency are usually related to
A) aging.
B) nutritional deficiencies.
C) malignancies.
D) a single gene defect.

Question

Quizplus · Accepted Answer

Most primary immunodeficiencies are congenital disorders related to a single gene defect.Secondary or acquired immunodeficiency is the result of factors outside the immune system,is not related to a genetic defect,and involves the loss of a previously functional immune defense system.Aging,dietary insufficiencies,malignancies,stressors (emotional,physical),immunosuppressive therapies,and certain diseases such as diabetes or sickle cell disease are examples of conditions that may be associated with acquired immunodeficiencies.

Cases of Primary Immunodeficiency Are Usually Related to