Biology : The Essentials
Biology : The Essentials
13th Edition
ISBN: 9780078096921
Author: Hoefnagels, Mariëlle
Publisher: McGraw-Hill Education
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Chapter 24, Problem 1MCQ
Summary Introduction

Introduction:

The most important function of the nervous system is to maintain the body’s temperature, ion balance, and other conditions within optimum levels. The electrochemical impulses of the nervous system travel so rapidly that their effects are required immediately.

Expert Solution & Answer
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Answer to Problem 1MCQ

Correct answer:

The peripheral nervous system receives sensory stimuli, whereas the central nervous system integrates sensory information. Hence, the correct answer is option a..

Explanation of Solution

Reason for correct answer:

Option a. is given as “receives sensory stimuli; integrates sensory information.”

The central nervous system consists of two organs: brain and spinal cord, whose function is to integrate sensory information and coordinate the response of the body. The peripheral nervous system transmits information between the central nervous system and the rest of the body.

Reason for incorrect answer:

Option b. is given as, “produces sensory information; produces movements.”

The central nervous system is used for integrating sensory information and for coordinating the body’s responses, while the peripheral nervous system help in processing changes in the external and internal environment. Hence, option b. is incorrect.

Option c. is given as, “integrates sensory information; receives sensory stimuli.”

The central nervous system helps in integrating sensory information, and the peripheral nervous system helps in transmitting the information between the central nervous system and the other parts of the body. Hence, option c. is incorrect.

Option d. is given as, “coordinates voluntary actions; coordinates involuntary actions.”

The central nervous system builds up the peripheral nervous system and conducts information from the brain and spinal cord to the rest of the body. The peripheral nervous system controls both voluntary and involuntary actions. Hence, option d. is incorrect.

Hence, the options b., c., and d. are incorrect.

Conclusion

The sensory information is integrated by the central nervous system; whereas, the sensory stimulus is received by the peripheral nervous system. Thus, the correct option is a..

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Chapter 24 Solutions

Biology : The Essentials

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