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PAL Histology Lymphatic System Lab Practical Question 18 Questions

Question 1 of 1

What is the function of CD4 and CD8 co-receptors?

A. To recognize MHC molecules B. To bind to antigens C. To strengthen the signal sent by CD3 D.

Correct Answer: C

Rationale: CD4/CD8 enhance TCR signaling via CD3 ; they stabilize MHC binding (A indirectly), not antigen binding .

Question 2 of 1

A. B. C. D.

Correct Answer:

Rationale:

Question 3 of 1

A. B. C. D.

Correct Answer:

Rationale:

Question 4 of 1

A. B. C. D.

Correct Answer:

Rationale:

Question 5 of 1

A. B. C. D.

Correct Answer:

Rationale:

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