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The nurse knows that in older clients. T cell and B cell activity decline. The nurse knows that this increases the older person's risk of which of the following:

A.

Allergic reaction

B.

Increase in antibodies

C.

Cancer

D.

Infections

Answer and Explanation

The Correct Answer is D

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.


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Related Questions

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.

Correct Answer is A

Explanation

A. Shingles

Shingles (herpes zoster) occurs when the varicella-zoster virus reactivates from latency in nerve ganglia, typically many years after initial infection with chickenpox.

B. Measles

Measles is caused by the rubeola virus and is not related to herpes varicella zoster.

C. Smallpox

Smallpox is caused by the variola virus, which is entirely different from the herpesvirus group.

D. Mumps

Mumps is caused by a paramyxovirus and is unrelated to varicella-zoster.

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