Which of These Is Not a Compulsion

question 7

Multiple Choice

Which of these is not a compulsion?

• A) Hand cleaning
• B) Checking cooker is switched off
• C) Checking door is locked
• D) Worrying about getting sick
• E) Checking electrical items are unplugged

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Definitions:

Epitopes

Specific parts of an antigen that are recognized by the immune system, specifically by antibodies, B cells, or T cells.

Lymphocytes

A subtype of white blood cells involved in the immune response, including B cells, T cells, and natural killer cells.

Major Histocompatibility Complexes

A set of cell surface proteins important for the immune system to recognize foreign molecules, playing a critical role in antigen presentation.

T-cell Receptors

Molecules found on the surface of T-cells that are responsible for recognizing fragments of antigen as peptides bound to major histocompatibility complex (MHC) molecules.