The Most Common Form of Immunodeficiency Is

question 20

Multiple Choice

The most common form of immunodeficiency is

• A) X-linked agammaglobulinemia.
• B) severe combined immunodeficiency disease (SCID).
• C) selective immunoglobulin A (IgA) deficiency disease.
• D) CVID.

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Definitions:

Colored Part

Referring to the iris, the colored portion of the eye surrounding the pupil that controls the amount of light entering the eye.

Cornea

The clear, transparent front covering of the eye that allows light to enter and contributes to the eye's focusing power.

Protective Coating

A layer of material applied to objects or surfaces to guard against damage or corrosion.

Fovea

A small depression in the retina of the eye where visual acuity is highest, containing a high concentration of cones for daytime vision.