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What is the name of the lymph nodes that drain the head and neck region?

Inguinal

Cervical

Thoracic

Pelvic

Answer and Explanation

The Correct Answer is B

A. Inguinal

These drain the lower extremities and groin area, not the head and neck.

B. Cervical

The cervical lymph nodes are located in the neck and drain the head and neck region.

C. Thoracic

Thoracic lymph nodes are found in the chest and drain the thoracic cavity.

D. Pelvic

These are located in the pelvis and drain pelvic organs.

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Correct Answer is D

Explanation

A. Allergic reaction:

Allergic reactions are typically associated with overactive immune responses, not decreased T and B cell function.

B. Increase in antibodies:

Antibody production actually declines with age due to reduced B cell function.

C. Cancer:

Decreased immune surveillance can contribute to cancer risk, but the most direct consequence of T and B cell decline is susceptibility to infections.

D. Infections:

Reduced activity of T and B cells impairs the immune response, making older adults more prone to infections.

A. Potassium B. WBC count C. BUN D. RBC count

Correct Answer is B

Explanation

A. Potassium

Potassium relates to fluid/electrolyte balance, not directly to infection.

B. WBC count

An elevated white blood cell (WBC) count indicates the body is mounting an immune response, suggesting infection.

C. BUN

BUN measures kidney function and hydration status, not infection.

D. RBC count

RBCs relate to oxygen-carrying capacity (anemia, blood loss), not infection.

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What is the name of the lymph nodes that drain the head and neck region?

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What is the name of the lymph nodes that drain the head and neck region?