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The spleen, thymus gland, tonsils, and lymph nodes are:

Concerned only with destroying RBCs

Confined to the thoracic cavity

Lymphoid organs

Concerned only with phagocytosis

Answer and Explanation

The Correct Answer is C

A. Concerned only with destroying RBCs

Only the spleen is partly involved in RBC destruction-this doesn’t apply to all listed organs.

B. Confined to the thoracic cavity

These organs are located in different parts of the body-e.g., spleen in the abdomen, lymph nodes throughout the body.

C. Lymphoid organs

These are all components of the lymphatic/immune system, involved in immune surveillance and lymphocyte production.

D. Concerned only with phagocytosis

While some have phagocytic activity (e.g., macrophages in lymph nodes), their functions go far beyond phagocytosis (e.g., immune cell activation).

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Correct Answer is C

Explanation

A. Secretes splenic hormones that control the lymphoid system

The spleen does not secrete hormones; it filters blood, stores platelets, and helps in immune response.

B. Is avascular (no blood supply)

The spleen is highly vascular, receiving blood from the splenic artery and returning it via the splenic vein.

C. Removes worn out blood cells from circulation

One of the primary functions of the spleen is to filter blood and remove old or damaged RBCs.

D. Is in the RUQ

The spleen is located in the left upper quadrant (LUQ) of the abdomen.

A. Is secreted by all lymph nodes B. Is the fluid within the lymph nodes C. Is a hormone D. Plays no known role

Correct Answer is C

Explanation

A. Is secreted by all lymph nodes:

Thymosin is not produced by lymph nodes; it is secreted by the thymus gland.

B. Is the fluid within the lymph nodes:

Lymph fluid circulates within lymph nodes, not thymosin.

C. Is a hormone:

Thymosin is a hormone secreted by the thymus that plays a role in the development and differentiation of T lymphocytes.

D. Plays no known role:

Thymosin has an important role in immune system development.

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The spleen, thymus gland, tonsils, and lymph nodes are:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The spleen:

Correct Answer is C

Explanation

Thymosin:

Correct Answer is C

Explanation

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