Which of the Following Foods Is the Best Source of Preformed

question 109

Multiple Choice

Which of the following foods is the best source of preformed vitamin A?

• A)Liver
• B)Carrots
• C)Soybeans
• D)Apples

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Definitions:

Melanin Pigment

A natural pigment found in most organisms, responsible for coloration in the skin, hair, and eyes.

Visual Acuity

A measure of the sharpness or clarity of vision, typically assessed by the ability to discern letters or numbers at a standardized distance.

Sphincter Pupillae

A ring of smooth muscle fibers around the edge of the pupil in the eye, which constricts the pupil in bright light.

Canal of Schlemm

A circular channel in the eye that collects aqueous humor from the anterior chamber and delivers it into the bloodstream.