SCID is

A

Autoimmune disorder

B

Allergy

C

secondary Immunodeficiency

D

Primary Immunodeficiency

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding SCID**: SCID stands for Severe Combined Immunodeficiency. It is a genetic disorder that affects the immune system, leading to a significantly weakened ability to fight off infections. 2. **Analyzing the Options**: The question provides four options: - Autoimmune disorder - Allergy - Secondary immunodeficiency - Primary immunodeficiency 3. **Identifying the Correct Definition**: - **Autoimmune Disorder**: This refers to conditions where the immune system mistakenly attacks the body’s own cells. This is not applicable to SCID. - **Allergy**: Allergies are immune responses to harmless substances. SCID is not related to allergies. - **Secondary Immunodeficiency**: This refers to immune deficiencies that occur as a result of other diseases or conditions. SCID is not classified as secondary. - **Primary Immunodeficiency**: This refers to a group of disorders caused by intrinsic defects in the immune system. SCID is classified as a primary immunodeficiency because it is caused by genetic defects. 4. **Conclusion**: Based on the definitions and classifications, SCID is best categorized as a primary immunodeficiency disorder. **Final Answer**: SCID is a primary immunodeficiency. ---
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