Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 9.4, Problem 12CC
Summary Introduction
To determine: The differences between horns, roots, tracts, and columns of the spinal cord.
Introduction: The spinal cord is the main path for conducting information from the brain and other organs of the body. The spinal cord is important in the regulation of voluntary movements in the body of an individual. The damage to the spinal cord may lead to paralysis.
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Which statement is true regarding the spinal cord?
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c) The spinal cord terminates into the upper thoracic region
d) The lower lumbar region doesn't contain a spinal cord but rather a collection of nerve roots called the cauda equina
Where does the spinal cord begin and end? How manypairs of spinal nerves exit the spinal cord?
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Chapter 9 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 9.2 - Prob. 1CCCh. 9.3 - Name the four kinds of glial cells found in the...Ch. 9.3 - Prob. 3CCCh. 9.3 - Prob. 4CCCh. 9.3 - Prob. 5CCCh. 9.3 - Prob. 6CCCh. 9.3 - Prob. 7CCCh. 9.3 - Prob. 8CCCh. 9.3 - Prob. 9CCCh. 9.3 - In the late 1800s, the scientist Paul Ehrlich...
Ch. 9.3 - Prob. 11CCCh. 9.4 - Prob. 12CCCh. 9.4 - Prob. 13CCCh. 9.5 - Are the following white matter or gray matter? (a)...Ch. 9.5 - Using the information from Table 9.1, describe the...Ch. 9.5 - In anatomical directional terminology, the...Ch. 9.5 - Prob. 17CCCh. 9.5 - Prob. 18CCCh. 9.5 - Prob. 19CCCh. 9.5 - Prob. 20CCCh. 9.6 - Prob. 21CCCh. 9 - Prob. 1RQCh. 9 - Prob. 2RQCh. 9 - Prob. 3RQCh. 9 - In vertebrates, the central nervous system is...Ch. 9 - Prob. 5RQCh. 9 - Prob. 6RQCh. 9 - Prob. 7RQCh. 9 - Prob. 8RQCh. 9 - Prob. 9RQCh. 9 - Prob. 10RQCh. 9 - Prob. 11RQCh. 9 - What does cerebral lateralization refer to? What...Ch. 9 - Match each of the following areas with its...Ch. 9 - Name the 12 cranial nerves in numerical order and...Ch. 9 - Name and define the two major phases of sleep. How...Ch. 9 - List several homeostatic reflexes and behaviors...Ch. 9 - Prob. 17RQCh. 9 - What are the broad categories of learning? Define...Ch. 9 - Prob. 19RQCh. 9 - Prob. 20RQCh. 9 - Prob. 21RQCh. 9 - What are the three brain systems that regulate...Ch. 9 - Explain the role of Wernickes and Brocas areas in...Ch. 9 - Compare and contrast the following concepts: a....Ch. 9 - What properties do motivational states have in...Ch. 9 - Prob. 26RQCh. 9 - Prob. 27RQCh. 9 - Prob. 28RQCh. 9 - Mr. Andersen, a stroke patient, experiences...Ch. 9 - Prob. 30RQCh. 9 - Prob. 31RQCh. 9 - Prob. 32RQCh. 9 - Prob. 33RQ
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- What does the lateral horn of the spinal cord contain? Multiple Choice a) Sensory (afferent) neuron somas b) Interneurons c) Spinothalamic tracts d) Somas of somatic motor neurons e) Neurons of the sympathetic nervous systemarrow_forwardWhat are the general shape, diameter, and length of the spinal cord, and where is it housed?arrow_forwardWhat does the spinal cord do?arrow_forward
- How is the spinal cord protected in the human body?arrow_forwardWhat is the structural and functional relationship between spinal nerves, skeletal muscles, and dermatomes?arrow_forwardWhich part of the spinal cord contains somas of somatic motor neurons? Multiple Choice a) The anterior horns b) The posterior horns c) The spinothalamic tract d) The arachnoid e)The lateral hornsarrow_forward
- 1) Motor information exits the spinal cord through the: a) anterior column. b) posterior column. c) anterior horn. d) posterior horn.arrow_forwardWhich of the following is NOT true in adults? (A) The tapering end of the spinal cord may terminate as high as T12 or as low as L3. (B) The first cervical nerves lack dorsal roots in 50% of people. (C) The coccygeal nerve may be absent. (D) The terminal filum is the vestigial rem- nant of the caudal part of the spinal cord that was in the tail of the embryo. (E) The spinal cord has a lumbar enlargement for the lower limb but no equivalent enlargement for the smaller upper limb.arrow_forwardAll of the following are functions of the spinal cord except A) mediates quick and involuntary response to a stimuli B) helps maintain posture and equilibrium during locomotion C) receives sensory input and sends motor signals through spinal nerves D) the only control center for parasympathetic nervous systemarrow_forward
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