Explanation The deficiency of vitamin A will not affect the eyesight initially. But as soon as the reserve of the vitamin A is used up, the ability of the eye to distinguish between the colors will be diminished. In the day time, when the light is usually bright the issue does not exist...

12th Edition

ISBN: 9780134862057

Author: Martini

Publisher: PEARSON

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Question

Chapter 17, Problem 13CP

Summary Introduction

To determine:

The effect of vitamin A deficiency in the vision.

Concept introduction:

Vitamin A is essential in synthesizing the visual pigments in the eyes, which helps in differentiating among the colors. Vitamin A is also called as retinol. The body stores reserve of the vitamin A so that the retina is replenished with discs of visual pigments as soon as it exhausts.

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Chapter 17, Problem 12CP

Chapter 17, Problem 14CP

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Chapter 17 Solutions

FUND.OF ANAT.+PHYS.(LOOSE)-PACKAGE

Ch. 17 - Prob. 1CP Ch. 17 - Prob. 2CP Ch. 17 - Prob. 3CP Ch. 17 - Prob. 4CP Ch. 17 - If you completely dry the surface of your tongue...Ch. 17 - Prob. 6CP Ch. 17 - Prob. 7CP Ch. 17 - Prob. 8CP Ch. 17 - Prob. 9CP Ch. 17 - Prob. 10CP

Ch. 17 - Prob. 11CP Ch. 17 - Prob. 12CP Ch. 17 - Prob. 13CP Ch. 17 - Prob. 14CP Ch. 17 - Prob. 15CP Ch. 17 - Prob. 16CP Ch. 17 - Prob. 17CP Ch. 17 - Prob. 1RQ Ch. 17 - Prob. 2RQ Ch. 17 - A blind spot occurs in the retina where (a) the...Ch. 17 - Sound waves are convened into mechanical movements...Ch. 17 - The basic receptors in the internal ear are the...Ch. 17 - Prob. 6RQ Ch. 17 - At sunset, your visual system adapts to (a) fovea...Ch. 17 - Prob. 8RQ Ch. 17 - The malleus, incus, and stapes are the tiny bones...Ch. 17 - Identify the structures of the external, middle,...Ch. 17 - Prob. 11RQ Ch. 17 - Prob. 12RQ Ch. 17 - Prob. 13RQ Ch. 17 - Prob. 14RQ Ch. 17 - Prob. 15RQ Ch. 17 - Prob. 16RQ Ch. 17 - Prob. 17RQ Ch. 17 - Prob. 18RQ Ch. 17 - Prob. 19RQ Ch. 17 - Prob. 20RQ Ch. 17 - Prob. 21RQ Ch. 17 - Prob. 22RQ Ch. 17 - Prob. 23RQ Ch. 17 - Prob. 24RQ Ch. 17 - Prob. 25RQ Ch. 17 - Prob. 26RQ Ch. 17 - Prob. 27RQ Ch. 17 - Prob. 28RQ Ch. 17 - Prob. 1CC Ch. 17 - Prob. 2CC

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Solution Summary: The author explains that vitamin A is essential in synthesizing the visual pigments in the eyes, which helps in distinguishing among the colors.

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