Exam questionKROK 1Medicine ยท 2020
A 1.5-year-old child was diagnosed with immunodeficiency B lymphocyte count is normal, but they are functionally inactive. What immune defense factor is absent in the child's oral cavity?
Answer options
- Lysozyme
- Secretory immunoglobulin A
- Interferon
- Fibronectin
- Lactoperoxidase system
Correct answer
Secretory immunoglobulin A
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