Many Viruses Reduce the Amount of MHC-I Complex on the Surface

question 9

Multiple Choice

Many viruses reduce the amount of MHC-I complex on the surface of the infected cell.How does the immune system recognize cells that lack MHC-I?

• A) Cytotoxic T lymphocytes will recognize the lack of MHC-I on the surface and kill the cell
• B) Macrophages will recognize an antibody bound to MHC-I and engulf the cell.
• C) Natural killer cells will kill cells that lack MHC-I on their surface.
• D) Cells that don't have enough MHC-I on their surface will enter apoptosis and die.
• E) Cytotoxic T lymphocytes will recognized the altered MHC-I on the cell surface.

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Definitions:

Human Development

The process of growth and change that occurs throughout a person's life, encompassing physical, cognitive, and social-emotional development.

Unconscious Conflicts

Psychological struggles often stemming from early life experiences that one is not fully aware of but influence behaviors and emotions.

Exosystem

Community institutions and settings that indirectly influence the child, such as the school board and the parents’ workplaces.

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