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Which of the following are described as partially encapsulated lymph nodes located in the throat area?

A.

Tonsils

B.

Thyroid gland

C.

Thymus gland

D.

Spleen

Answer and Explanation

The Correct Answer is A

A. Tonsils:

   Tonsils are lymphatic tissues located in the pharyngeal region; they are partially encapsulated and help trap airborne or ingested pathogens.

B. Thyroid gland:

   The thyroid is an endocrine gland that regulates metabolism, not part of the lymphatic system.

C. Thymus gland:

   The thymus is fully encapsulated and located in the mediastinum; it matures T cells.

D. Spleen:

   The spleen is a fully encapsulated lymphoid organ located in the left upper quadrant of the abdomen.


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Related Questions

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.

Correct Answer is A

Explanation

A. Infection:

The elevated WBC count and abnormal differential, along with symptoms of fever and chills, point to an active infection, which is consistent with recent exposure to ill children and no flu vaccine.

B. Thrombocytopenia:

Thrombocytopenia refers to a low platelet count, which was not provided or implied in the lab data.

C. Leukemia:

While leukemia can cause elevated WBCs, this client’s clinical picture fits a common infection, and leukemia typically presents with more severe or chronic symptoms and abnormal blood cell morphology.

D. Anemia:

The client’s hemoglobin and hematocrit are above normal, which rules out anemia.

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