Chapter 13 The Spinal Cord, Spinal Nerves, and Somatic Reflexes

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Chapter 13  The Spinal Cord, Spinal Nerves, and Somatic Reflexes

 

 

Complete chapter Questions And Answers
 

Sample Questions

 

 

True / False Questions

1. Ascending signals in the spinal cord travel via gray matter, while descending signals travel via white matter.

FALSE

Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: H10.01 Describe the gross anatomy of the spinal cord and spinal nerves and specify their location relative to the anatomy of the skeletal system. HAPS Objective: H10.03 Contrast the relative position of gray matter and white matter in the spinal cord with the corresponding arrangement of gray and white matter in the brain. HAPS Topic: Module H10 Anatomy of the spinal cord and spinal nerves. Learning Outcome: 13.01c Trace the pathways followed by nerve signals traveling up and down the spinal cord. Section: 13.01 Topic: Physiology of sensory and motor pathways in the brain and spinal cord

2. Cervical and lumbar enlargements are wide points in the spinal cord marking the emergence of motor nerves.

FALSE

Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: H10.01 Describe the gross anatomy of the spinal cord and spinal nerves and specify their location relative to the anatomy of the skeletal system. HAPS Topic: Module H10 Anatomy of the spinal cord and spinal nerves. Learning Outcome: 13.01b Describe its gross and microscopic structure. Section: 13.01 Topic: Anatomy of the spinal cord and spinal nerves

3. Each portion of the spinal cord, from which a spinal nerve emerges, is called a “segment” of the cord.

TRUE

Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: H10.01 Describe the gross anatomy of the spinal cord and spinal nerves and specify their location relative to the anatomy of the skeletal system. HAPS Topic: Module H10 Anatomy of the spinal cord and spinal nerves. Learning Outcome: 13.01b Describe its gross and microscopic structure. Section: 13.01 Topic: Anatomy of the spinal cord and spinal nerves

4.

Nerve fibers in a given white matter tract are similar in origin, destination, and function.

TRUE

Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic

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Copyright © 2018 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

HAPS Objective: H10.01 Describe the gross anatomy of the spinal cord and spinal nerves and specify their location relative to the anatomy of the skeletal system. HAPS Objective: H10.07 Distinguish between ascending and descending tracts in the spinal cord. HAPS Topic: Module H10 Anatomy of the spinal cord and spinal nerves. Learning Outcome: 13.01b Describe its gross and microscopic structure. Section: 13.01 Topic: Anatomy of the spinal cord and spinal nerves

  1. Voluntary motor signals typically begin in an upper motor neuron in the thalamus.

    FALSE

    Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: H10.07 Distinguish between ascending and descending tracts in the spinal cord. HAPS Objective: H12.02 Describe the locations and functions of the upper and lower motor neurons in a motor pathway. HAPS Topic: Module H10 Anatomy of the spinal cord and spinal nerves. HAPS Topic: Module H12 Physiology of sensory and motor pathways in the brain and spinal cord. Learning Outcome: 13.01c Trace the pathways followed by nerve signals traveling up and down the spinal cord. Section: 13.01 Topic: Physiology of sensory and motor pathways in the brain and spinal cord

  2. Most nerves are motor nerves.

    FALSE

    Accessibility: Keyboard Navigation Blooms Level: 2. Understand Gradable: automatic HAPS Objective: H12.02 Describe the locations and functions of the upper and lower motor neurons in a motor pathway. HAPS Topic: Module H12 Physiology of sensory and motor pathways in the brain and spinal cord. Learning Outcome: 13.02a Describe the anatomy of nerves and ganglia in general. Section: 13.02 Topic: Anatomy of the spinal cord and spinal nerves

  3. A nerve fiber is enclosed in its own fibrous sleeve called perineurium.

    FALSE

    Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic

HAPS Objective: H10.01 Describe the gross anatomy of the spinal cord and spinal nerves and specify their location relative to the anatomy of the skeletal system. HAPS Objective: H10.05 Discuss how the structures root, nerve, ramus, plexus, tract and ganglion relate to one another. HAPS Topic: Module H10 Anatomy of the spinal cord and spinal nerves. Learning Outcome: 13.02a Describe the anatomy of nerves and ganglia in general. Section: 13.02 Topic: Anatomy of the spinal cord and spinal nerves

8.

A ganglion is a swelling along a nerve containing the cell bodies of peripheral neurons.

TRUE

Accessibility: Keyboard Navigation Blooms Level: 1. Remember Gradable: automatic HAPS Objective: H10.04 Identify the dorsal root ganglia, dorsal and ventral roots, and spinal nerves. HAPS Topic: Module H10 Anatomy of the spinal cord and spinal nerves. Learning Outcome: 13.02a Describe the anatomy of nerves and ganglia in general. Section: 13.02 Topic: Anatomy of the spinal cord and spinal nerves

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Copyright © 2018 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

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