Irradiation Prevents Mice from Generating Their Own T Cells

question 31

Multiple Choice

Irradiation prevents mice from generating their own T cells.When the immune systems of irradiated mice are reconstituted with unfractionated CD4 cells,the recipients show no signs of autoimmune disease.However,if the T cells are depleted of the CD4+CD25+ subset prior to transfer,recipients show multi-organ autoimmunity.This result demonstrates the role of _____ in suppressing autoimmunity.

• A)cytotoxic T cells
• B)helper T cells
• C)regulatory T cells
• D)all of the above

---

Definitions:

Speech Therapist

A healthcare professional specialized in evaluating and treating communication disorders and swallowing problems.

Medical Interpreter

A professional who facilitates communication between healthcare providers and patients when they do not share a common language, ensuring accurate and comprehensive understanding.

Effective Communication

The ability to convey information to another effectively and efficiently, ensuring mutual understanding.

Maintain Privacy

The act of keeping personal or sensitive information secure from unauthorized access or disclosure.