Which cytokine promotes fever?

ATI RN

ATI RN Test Bank

A. IL-1 B. IL-2 C. IL-4 D. IL-10

Correct Answer: A

Rationale: IL-1 induces fever; IL-2 boosts T cells, IL-4 aids B cells, IL-10 suppresses.

With regard to the medullary sinuses of the lymph node: They contain blood.

A. TRUE B. FALSE C. D.

Correct Answer: B

Rationale: Medullary sinuses contain lymph, not blood; blood is found in vascular structures like sinuses of the spleen.

Identify the encircled region. Be specific.

A. Secondary lymphatic nodule B. Primary lymphatic nodule C. Medullary cord D. Hassall's corpuscle

Correct Answer: A

Rationale: The encircled region is a secondary lymphatic nodule, characterized by a germinal center.

surface receive lymph from afferent vessel, while surface where vein. efferent vessel leave

A. Concave only B. Convex only C. Convex, Concave D. Concave, Convex

Correct Answer: C

Rationale: Afferent vessels enter at the convex surface, efferent vessels and veins exit at the concave hilum of the lymph node.

Contain T-lymphocyte only

A. follicular zone B. germinal zone C. PALS D. marginal zone

Correct Answer: C

Rationale: PALS (periarteriolar lymphatic sheath) contains only T-lymphocytes.

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