Textbook Question
The central nervous system is responsible for:
a. Integrative functions
b. Sensory functions
c. Motor functions
d. Both b and c are correct
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Ch. 12 The Central Nervous System
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814
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Table of contents
- Ch. 1 Introduction to Anatomy and Physiology24
- Ch. 2 The Chemistry of Life37
- Ch. 3 The Cell54
- Ch. 4 Histology46
- Ch. 5 The Integumentary System30
- Ch. 6 Bones and Bone Tissue36
- Ch. 7 The Skeletal System40
- Ch. 8 Articulations19
- Ch. 9 The Muscular System35
- Ch. 10 Muscle Tissue and Physiology29
- Ch. 11 Introduction to the Nervous System and Nervous Tissue28
- Ch. 12 The Central Nervous System41
- Ch. 13 The Peripheral Nervous System41
- Ch. 14 The Autonomic Nervous System and Homeostasis31
- Ch. 15 The Special Senses39
- Ch. 16 The Endocrine System42
- Ch. 17 The Cardiovascular System I: The Heart28
- Ch. 18 The Cardiovascular System II: The Blood Vessels43
- Ch. 19 Blood32
- Ch. 20 The Lymphatic System and Immunity41
- Ch. 21 The Respiratory System27
- Ch. 22 The Digestive System27
- Ch. 23 Metabolism and Nutrition7
- Ch. 24 The Urinary System39
- Ch. 25 Fluid, Electrolyte, and Acid-Base Homeostasis39
- Ch. 26 The Reproductive System10
- Ch. 27 Development and Heredity5
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814Not the one you use?Change textbook
Chapter 12, Problem 1
Which of the following statements about the general functions of the nervous system is false?
a. The three primary functions of the nervous system include sensory, integrative, and motor functions.
b. The integrative functions of the nervous system are its processing functions.
c. Sensory stimuli are transmitted on sensory efferent fibers to a sensory receptor.
d. Motor functions are carried out by fibers that carry signals to an effector.
Verified step by step guidance1
Step 1: Begin by understanding the three primary functions of the nervous system: sensory, integrative, and motor functions. Sensory functions involve detecting stimuli from the environment or within the body, integrative functions involve processing and interpreting sensory input, and motor functions involve responding to stimuli by activating effectors such as muscles or glands.
Step 2: Analyze each statement in the problem to determine its accuracy. For example, statement (a) correctly identifies the three primary functions of the nervous system: sensory, integrative, and motor functions.
Step 3: Evaluate statement (b). The integrative functions of the nervous system indeed involve processing sensory input, making decisions, and coordinating responses. This statement is accurate.
Step 4: Examine statement (c). Sensory stimuli are transmitted on sensory afferent fibers (not efferent fibers) to the central nervous system, not to a sensory receptor. This makes statement (c) false.
Step 5: Review statement (d). Motor functions are carried out by motor (efferent) fibers that transmit signals from the central nervous system to effectors such as muscles or glands. This statement is correct. Therefore, the false statement is (c).
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Functions of the Nervous System
The nervous system has three primary functions: sensory, integrative, and motor. Sensory functions involve receiving stimuli from the environment, integrative functions process this information to make decisions, and motor functions execute responses by sending signals to muscles or glands.
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Sensory and Efferent Fibers
Sensory fibers, also known as afferent fibers, carry signals from sensory receptors to the central nervous system. In contrast, efferent fibers transmit signals from the central nervous system to effectors, such as muscles or glands, facilitating a response to stimuli.
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Integrative Functions
Integrative functions of the nervous system refer to the processing and interpretation of sensory information. This involves analyzing incoming data, making decisions, and coordinating appropriate responses, which are crucial for effective interaction with the environment.
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02:58Communication and Integration
Related Practice
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Huntington's disease is characterized by a loss of normal inhibition mediated by the basal nuclei. Predict the symptoms you are likely to see with this disease.
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Textbook Question
Why must a cell body be intact for an axon to regenerate? (Hint: What structure is housed only in the cell body, and what are its functions?)
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