What Is the First Detectable Sign of Vitamin a Deficiency

question 69

Multiple Choice

What is the first detectable sign of vitamin A deficiency?

• A) xerosis
• B) xerophthalmia
• C) night blindness
• D) corneal keratinization

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Definitions:

Coordinate Growth

The process by which various parts of an organism grow at rates that maintain the overall shape and proportion of the organism.

Endocrine Stimulation

The activation or increase of hormonal activity by the endocrine glands in the body.

Nervous Stimulation

A process involving the activation or excitation of nerve cells or the nervous system, leading to a physiological response.

Specific Receptor

A specialized cell or molecule that recognizes and binds to a particular ligand, such as a neurotransmitter or hormone, to initiate a cellular response.