Cation Is to Anion as

question 28

Multiple Choice

Cation is to anion as

• A) transport is to diffusion.
• B) positive is to negative.
• C) diffusion is to transport.
• D) negative is to positive.
• E) intracellular is to extracellular.

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Definitions:

Tonometer

An instrument for determining pressure or tension, especially determining ocular tension.

Retinoscope

An instrument used by eye doctors to shine a light into the patient's eye to observe the reflection from the retina, helping to determine the patient's prescription for glasses or contact lenses.

Ophthalmoscope

A hand-held instrument with a light; used to view inner eye structures.

Slitlamp

A microscope combined with a bright light used to examine the eye's anterior and posterior segments, aiding in detecting eye diseases.