Essentials of Human Anatomy & Physiology (12th Edition)
Essentials of Human Anatomy & Physiology (12th Edition)
12th Edition
ISBN: 9780134395326
Author: Elaine N. Marieb, Suzanne M. Keller
Publisher: PEARSON
Question
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Chapter 8, Problem 1MC
Summary Introduction

Introduction:

Gustatory cells are the specific receptor cells, which respond to the chemicals that are dissolved in the saliva present in taste buds of the tongue. The hairs or the microvilli of these cells project through the taste pore and gets depolarized on stimulation. The impulses are then transmitted to the brain.

Expert Solution & Answer
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Answer to Problem 1MC

Correct answer:

Gustatory cells are the epithelial cells.

Explanation of Solution

Explanation for the correct answer:

Option (d) mentions that gustatory cells are the epithelial cells. The specific taste receptor cells, which respond to the chemicals dissolved in the saliva, are the gustatory cells. These are epithelial cells of body present in the skin, blood vessels, urinary tract, or organs. Hence, option (d) is correct.

Explanation for incorrect answers:

Option (a) mentions that gustatory cells are the bipolar neurons. Gustatory cells are the specific taste receptor cells, while the bipolar neurons are found in the olfactory system and the eye’s retina. So, it is an incorrect option.

Option (b) mentions that gustatory cells are the multipolar neurons. Gustatory cells are the specific taste receptor cells, while the multipolar neurons are found in the brain and spinal cord. So, it is an incorrect option.

Option (c) mentions that gustatory cells are the unipolar cells. The unipolar cells transduce the stimulus related to sound, light and temperature. Whereas, the gustatory cells are the taste receptor cells. So, it is an incorrect option.

Hence, options (a), (b), and (c) are incorrect.

Conclusion

The gustatory cells are the specific taste receptor epithelial cells that responds to the chemicals, which are dissolved in the saliva.

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Essentials of Human Anatomy & Physiology (12th Edition)

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