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A Child Who Is Being Evaluated for an Immune Deficiency

question 11

Multiple Choice

A child who is being evaluated for an immune deficiency fails to make antibody to tetanus toxoid or pneumococcal vaccine, but shows normal cell-mediated immunity as indicated by a positive skin test (swelling and redness) to a commonly encountered environmental antigen. This child has an abnormality of which cell lineage?


Definitions:

Government-Run

Entities, operations, or programs managed and operated by a government entity or its agents.

External Cost

Spillover effects that reduce the well-being of non-consenting parties.

Economic Efficiency

A condition in which resources are distributed to optimize the generation of goods and services.

Competitive Private Market

A market structure where multiple firms compete against each other under minimal governmental intervention, offering goods and services to consumers.

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