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What structure is concerned with the processing and maturing of T lymphocytes?

A.

Spleen

B.

Thymus gland

C.

Tonsils

D.

Pancreas

Answer and Explanation

The Correct Answer is B

A. Spleen:

The spleen filters blood and helps initiate immune responses, but it does not mature T cells.

B. Thymus gland:

The thymus is the primary site where immature T lymphocytes mature and become functional.

C. Tonsils:

Tonsils help detect pathogens entering through the mouth or nose but are not involved in T cell maturation.

D. Pancreas:

The pancreas is involved in digestion and blood glucose regulation, not immune cell development.


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Related Questions

Correct Answer is B

Explanation

A. Endogenous:

Endogenous infections originate from the client's own microbial flora. In this case, the infection was introduced by a procedure in a healthcare setting.

B. Health care-associated:

This urinary tract infection (UTI) developed after hospital admission due to a medical intervention (catheterization), classifying it as a health care-associated infection (HAI), also known as a nosocomial infection.

C. Exogenous:

Exogenous infections are caused by microorganisms from external sources (outside the body). While technically possible, the term HAI is more appropriate in this scenario.

D. Systemic:

A systemic infection affects the entire body (via the bloodstream). A UTI may become systemic if it progresses, but initially, it's a localized HAI.

Correct Answer is C

Explanation

A. The failure of the body to function normally

This is too general and applies to any illness, not specifically infection.

B. A diseased section of the body

This is vague and doesn’t identify causative factors like pathogens.

C. The invasion of the body by a pathogen and the subsequent symptoms in response to the invasion

This accurately defines infection as a host response to pathogen invasion.

D. The invasion of the body by a disease

Diseases don’t invade; pathogens do. This option is not scientifically accurate.

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