Primary antibody deficiencies are characterized by_____________?
Correct answer: B. Recurrent bacterial infections
- A. Recurrent allergic reactions
- B. Recurrent bacterial infections
- C. Implicit allergic reactions
- D. implicit bacterial infections
Explanation
Antibody deficiency impairs humoral immunity, especially defence against encapsulated pyogenic organisms, so recurrent bacterial respiratory and other infections are characteristic. Recurrent allergic reactions are not the defining feature.
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