What condition is an inherited immunodeficiency disorder characterized by absence of both humoral and cell-mediated immunity?
a. Fanconi syndrome
b. Wiskott-Aldrich syndrome
c. Acquired immunodeficiency syndrome (AIDS)
d. Severe combined immunodeficiency syndrome (SCIDS)
ANS: D
SCIDS is a genetic disorder that results in deficits of both humoral and cellular immunity. Fanconi syndrome is a hereditary disorder of red blood cell production. Wiskott-Aldrich syndrome is an X-linked recessive disorder with selected deficiencies of T and B lymphocytes. AIDS is not inherited.
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