Helper T Cells Function Directly In

question 31

Multiple Choice

Helper T cells function directly in:

• A) presenting antigen with class I MHC
• B) delayed-type hypersensitivity
• C) performing VDJ rearrangement in B cells
• D) target cells with perforin

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Definitions:

Microbiologic Specimen

A sample of bodily fluid or tissue that is taken for laboratory analysis to check for the presence of microorganisms.

Immune System

The complex network of cells, tissues, organs, and the substances they produce that helps the body fight infections and other diseases.

AIDS

Acquired Immunodeficiency Syndrome, a chronic, potentially life-threatening condition caused by the human immunodeficiency virus (HIV), which damages the immune system and impairs the ability to fight off organisms that cause disease.

HIV

Human Immunodeficiency Virus, a virus that attacks the immune system and can lead to acquired immunodeficiency syndrome (AIDS) if not treated.