Principles of Human Physiology (6th Edition)
Principles of Human Physiology (6th Edition)
6th Edition
ISBN: 9780134169804
Author: Cindy L. Stanfield
Publisher: PEARSON
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Chapter 9, Problem 1E
Summary Introduction

Introduction:

Sensory neurons are the nerve cells in the nervous system that works to convert signals from the external environment to the internal stimuli. They are also termed as afferent neurons, as they transfer the signals from the various parts of the body to the central nervous system.

Expert Solution & Answer
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Answer to Problem 1E

Solution:

The correct answer is option (b) the somatosensory cortex.

Explanation of Solution

Explanation/justification for the correct answer:

Option (b) is the somatosensory cortex. Touch perception is processed by the somatosensory system. This system includes the sensory receptors, peripheral sensory neurons, and brain cells. Hence, this option is correct.

The explanation for the incorrect answer:

Option (a) is the basal nuclei. The basal nuclei are the region at the base of the brain, which includes the clusters of neurons or nerve cells. This portion is responsible for the movement and coordination of the body. Hence, this option is incorrect.

Option (c) is the hypothalamus. The main function of the hypothalamus is to secrete hormones and controlling the metabolic processes of the body in the autonomic nervous system. Hence, this option is incorrect.

Option (d) is the limbic system. The functions of the limbic system include motivation, emotion, learning, and memory. Hence, this option is incorrect.

Option (e) is the hippocampus. It is an important organ of the limbic system. It is basically associated with long-term memory. Hence, this option is incorrect.

Conclusion

Touch perception requires that sensory neurons from the skin transmit information to the somatosensorycortex. Hence, option (b) is correct.

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Chapter 9 Solutions

Principles of Human Physiology (6th Edition)

Ch. 9.2 - Prob. 9.2.2QCCh. 9.2 - Prob. 9.2.3QCCh. 9.3 - Prob. 9.3.1QCCh. 9.3 - Prob. 9.3.2QCCh. 9.3 - Prob. 9.3.3QCCh. 9.3 - For each of the following functions, indicate...Ch. 9.4 - Is salivation in response to a bell an example of...Ch. 9.4 - Prob. 9.4.2QCCh. 9.5 - Prob. 9.5.1QCCh. 9.5 - Prob. 9.5.2QCCh. 9.7 - Describe how cortisol and the autonomic nervous...Ch. 9.7 - Prob. 2CTQCh. 9.7 - What do you suppose are the limitations of current...Ch. 9.7 - Prob. 9.6.1QCCh. 9.7 - Which types of EEG changes are observed as a...Ch. 9.7 - What is the ascending reticular activating system,...Ch. 9.9 - Prob. 9.7.1QCCh. 9.9 - Prob. 9.7.2QCCh. 9 - Prob. 1ECh. 9 - Prob. 2ECh. 9 - Prob. 3ECh. 9 - Prob. 4ECh. 9 - Prob. 5ECh. 9 - The origin of neurons of the corticospinal tract...Ch. 9 - Which of the following is not a component of the...Ch. 9 - Prob. 8ECh. 9 - Prob. 9ECh. 9 - Prob. 10ECh. 9 - Prob. 11ECh. 9 - Prob. 12ECh. 9 - Prob. 13ECh. 9 - Prob. 14ECh. 9 - Prob. 15ECh. 9 - Prob. 16ECh. 9 - Prob. 17ECh. 9 - Prob. 18ECh. 9 - Prob. 19ECh. 9 - Prob. 20ECh. 9 - Prob. 21ECh. 9 - Prob. 22ECh. 9 - Prob. 23ECh. 9 - Prob. 24ECh. 9 - Prob. 25ECh. 9 - Describe the different structures that protect...Ch. 9 - Describe the energy supply to the brain. Ch. 9 - Prob. 28ECh. 9 - Prob. 29ECh. 9 - Prob. 30ECh. 9 - Describe the roles of NMDA and AMPA receptors in...Ch. 9 - Prob. 32ECh. 9 - Suppose a person suffers a stroke that affects...Ch. 9 - Reflexes can be overridden by voluntary controls....Ch. 9 - Paralysis refers to the inability to voluntarily...
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