Refer to the Figure

question 161

Multiple Choice

Refer to the figure. The figure is most likely illustrating

• A) a normal cell (A) and an attached class I MHC protein (B).
• B) part of an adaptive immune response in which a B lymphocyte (A) is presenting a portion of a virus (B) on its cell surface.
• C) part of an adaptive immune system in which a cytotoxic T cell (A) is shown with an attached CD8 protein (B).
• D) part of an innate immune response in which a macrophage (A) is presenting an antigen to a T-helper cell (B).
• E) part of an innate immune response in which a phagocyte (A) is phagocytosing a foreign cell such as a bacterial or yeast cell (

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Definitions:

Common Cold

A viral infectious disease of the upper respiratory tract characterized by symptoms like coughing, sneezing, and a runny nose.

Influenza

A viral outbreak characterized by its rapid spread, affecting the respiratory tract with symptoms like high fever, intense body aches, and mucus buildup, typically seen in epidemic proportions.

Allergy

An allergy is an immune system response to a foreign substance (allergen) that's not typically harmful to the body.

Nasal Discharge

A fluid flow from the nose, often as a result of colds, allergies, or infections.