Textbook Question
Why is visceral pain often perceived as cutaneous pain?
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Ch. 13 The Peripheral Nervous System
Amerman2nd EditionHuman Anatomy & PhysiologyISBN: 9780136873822
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Table of contents
- Ch. 1 Introduction to Anatomy and Physiology26
- Ch. 2 The Chemistry of Life38
- Ch. 3 The Cell55
- Ch. 4 Histology47
- Ch. 5 The Integumentary System30
- Ch. 6 Bones and Bone Tissue36
- Ch. 7 The Skeletal System40
- Ch. 8 Articulations19
- Ch. 9 The Muscular System36
- Ch. 10 Muscle Tissue and Physiology29
- Ch. 11 Introduction to the Nervous System and Nervous Tissue28
- Ch. 12 The Central Nervous System42
- 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 Heart30
- Ch. 18 The Cardiovascular System II: The Blood Vessels43
- Ch. 19 Blood32
- Ch. 20 The Lymphatic System and Immunity45
- 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
Chapter 13, Problem 11
Place the following sequence of events for the detection of somatic sensation in the proper order. Place a 1 by the first event, a 2 by the second event, and so on.
a. ______The central process transmits the action potential to a second-order sensory neuron in the CNS.
b. ______The action potential is transferred to the central process in the posterior root ganglion.
c. ______The stimulus triggers an action potential.
d. ______The signal is transferred to other CNS sensory neurons for eventual perception and interpretation.
e. ______The action potential is propagated along the peripheral process of the neuron.
Verified step by step guidance1
Step 1: Begin by identifying the initial event in the sequence. The detection of somatic sensation starts when a stimulus triggers an action potential in the sensory receptor. This corresponds to option 'c'.
Step 2: Once the action potential is generated, it is propagated along the peripheral process of the sensory neuron. This corresponds to option 'e'.
Step 3: The action potential then reaches the posterior root ganglion, where it is transferred to the central process of the sensory neuron. This corresponds to option 'b'.
Step 4: The central process transmits the action potential to a second-order sensory neuron located in the central nervous system (CNS). This corresponds to option 'a'.
Step 5: Finally, the signal is transferred to other CNS sensory neurons for further processing, perception, and interpretation. This corresponds to option 'd'.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Somatic Sensation
Somatic sensation refers to the body's ability to perceive stimuli from the environment through sensory receptors. This includes sensations such as touch, temperature, pain, and proprioception. Understanding somatic sensation is crucial for grasping how the body interacts with its surroundings and how these signals are processed by the nervous system.
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Somatic vs. Autonomic Nervous System
Action Potential
An action potential is a rapid electrical signal that travels along the axon of a neuron, triggered by a stimulus. It is essential for the transmission of sensory information from peripheral receptors to the central nervous system (CNS). The generation and propagation of action potentials are fundamental processes in neural communication, allowing for the relay of sensory information.
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03:53Action Potential
Central Nervous System (CNS)
The central nervous system consists of the brain and spinal cord, serving as the main control center for processing sensory information. It interprets signals received from sensory neurons and coordinates responses. Understanding the role of the CNS is vital for comprehending how sensory information is integrated and perceived, leading to appropriate reactions to stimuli.
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1:32The Central Nervous System
Related Practice
Textbook Question
Mark the following statements about the spinal cord as true or false. If a statement is false, correct it to make a true statement.
The corticospinal tracts are the main sensory tracts in the spinal cord.
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Textbook Question
A receptor potential:
a. Always leads to an action potential
b. Never leads to an action potential
c. Causes hyperpolarization of the neuron
d. Leads to an action potential if the stimulus is strong enough
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Textbook Question
First-order somatic sensory neurons are_____neurons whose cell bodies are located in the_____.
a. Multipolar, posterior horn
b. Pseudounipolar, posterior root ganglion
c. Bipolar, anterior horn
d. Pseudounipolar, posterior horn
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Textbook Question
How do upper and lower motor neurons differ?
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Textbook Question
The tracts of the posterior columns decussate in the ________, whereas the tracts of the anterolateral system decussate in the ________.