The More a Sample Can Be Diluted and Yet Still

question 16

Multiple Choice

The more a sample can be diluted and yet still react with antigen, the ______ the concentration of antibodies in that sample and the _______ is its titer.

• A)lower; lower
• B)higher; lower
• C)lower; higher
• D)higher; higher

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Definitions:

Eyelids

Foldable covers that protect the eye, consisting of an upper and a lower flap, and capable of blinking.

Drooping

Sagging or hanging down loosely, often used to describe parts of the body, plants, or objects.

Iris

The colored part of the eye surrounding the pupil, controlling light levels entering the eye by adjusting the pupil size.

Ciliary Body

A ring of tissue behind the iris of the eye, containing muscle that controls the shape of the lens for focusing and produces aqueous humor.