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ATI LPN · Anatomy and Physiology · Lymphatic System Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Which cytokine suppresses immune responses?

A. IL-2

B. IL-6

C. IL-10

D. TNF-alpha

Expert Explanatory Rationale

Correct Answer: IL-10

Question 2 of 5

Empty MHC class I and MHC class II molecules are rapidly removed from the cell surface. This process prevents:

A. The accumulation of empty MHC molecules on the cell surface which would interfere with T cells recognizing pathogen-derived peptide:MHC complexes

B. Pathogens from evading the immune response by inducing peptide release from cell surface MHC molecules

C. MHC class I molecules from being internalized into endosomes and binding endosome-derived peptides

D. HLA-DM from trafficking to the cell surface with MHC class II

Expert Explanatory Rationale

Correct Answer: The accumulation of empty MHC molecules on the cell surface which would interfere with T cells recognizing pathogen-derived peptide:MHC complexes

Question 3 of 5

This is secreted by plasma cells.

A. clones

B. antigens

C. antibodies

D. interferons

Expert Explanatory Rationale

Correct Answer: antibodies

Question 4 of 5

Which type of antigen-presenting molecule is found only on macrophages, dendritic cells, and B cells?

A. MHC I

B. MHC II

C. T-cell receptors

D. B-cell receptors

Expert Explanatory Rationale

Correct Answer: MHC II

Question 5 of 5

What is the term for cancer of lymphoid tissue?

A. Lymphadenitis

B. Lymphangitis

C. Lymphoma

D. Lymphedema

Expert Explanatory Rationale

Correct Answer: Lymphoma

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