PRIN.OF HUMAN ANATOMY (LL)
15th Edition
ISBN: 9781119662761
Author: Tortora
Publisher: WILEY
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Chapter 14, Problem 33CP
Summary Introduction
To review:
The naming of vagus (X) nerve.
Introduction:
Vagus nerve or the cranial nerve X is a mixed cranial nerve that is distributed from head to the abdomen. It deals with both sensory as well as motor impulses.
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What is a nerve?
Which structures form a spinal nerve? Why are all spinal nerves mixed?
Which statement is true regarding a spinal (peripheral) nerve?
A) they can contain afferent axons only
B) each nerve ending contains a single axon
C)They innervate all regions of the body, including the head
D) there are 31 pairs of spinal nerves
Chapter 14 Solutions
PRIN.OF HUMAN ANATOMY (LL)
Ch. 14 - Compare the sizes and locations of the cerebrum...Ch. 14 - Prob. 2CPCh. 14 - Prob. 3CPCh. 14 - Prob. 4CPCh. 14 - Prob. 5CPCh. 14 - 6. Where are the medulla, pons, and midbrain...Ch. 14 - Prob. 7CPCh. 14 - Prob. 8CPCh. 14 - Describe the location and principal parts of the...Ch. 14 - 10. Where do the axons of each of the three pairs...
Ch. 14 - Prob. 11CPCh. 14 - Prob. 12CPCh. 14 - Prob. 13CPCh. 14 - Define a circumventricular organ.Ch. 14 - 15. List and locate the lobes of the cerebrum. How...Ch. 14 - Prob. 16CPCh. 14 - Prob. 17CPCh. 14 - Prob. 18CPCh. 14 - Prob. 19CPCh. 14 - Prob. 20CPCh. 14 - Prob. 21CPCh. 14 - Prob. 22CPCh. 14 - How are cranial nerves named and numbered?Ch. 14 - Prob. 24CPCh. 14 - Prob. 25CPCh. 14 - Prob. 26CPCh. 14 - Prob. 27CPCh. 14 - Prob. 28CPCh. 14 - Prob. 29CPCh. 14 - Prob. 30CPCh. 14 - Prob. 31CPCh. 14 - Prob. 32CPCh. 14 - Prob. 33CPCh. 14 - 34. Where do the motor axons of the accessory (XI)...Ch. 14 - Prob. 35CPCh. 14 - Prob. 36CPCh. 14 - Prob. 37CPCh. 14 - An elderly relative suffered a CVA (stroke) and...Ch. 14 - Prob. 2CTQCh. 14 - 3. You have been hired by a pharmaceutical company...
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- 51. A 50-year-old man has diminished vibratory sensation on his right leg. Which of the following lettered regions in the diagram of the spinal cord is most likely to have been damaged? 99 Right H) 1) C) B) A) ô E) :888: OF) Left G)arrow_forwardDoes the ventral nerve cord traverse the entire length of the body?arrow_forwardIs a spinal nerve composed of axons from afferent or efferentneurons, or both?arrow_forward
- What are the respectiveconstituents of the graymatter and of the whitematter of the spinal cord?arrow_forwardWhat is the largest nerve arising from the lumbar plexus?arrow_forwardWhat are the functional diff erences between the posterior column–medial lemniscus pathway, the anterolateral pathway, and the trigeminothalamic pathway?arrow_forward
- Which statement is true regarding the spinal cord? a) The interior horns of the spinal cord receive information from the body b) The spinal cord is surrounded by the Dura matter only 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 equinaarrow_forwardTed is a war veteran who was hit in the back with small pieces of shrapnel. His skin is numb in the center of his buttocks and along the entire posterior side of a lower limb, but there is no motor problem. Indicate which of the following choices is the most likely site of his nerve injury, and explain your choice: (a) a few dorsal roots of the cauda equina, (b) spinal cord transection at C6, (c) spinal cord transection at L5, (d) femoral nerve transected in the lumbar region.arrow_forwardWhat would be the most obvious effects of lesions that destroyed each of the following (a) the hippocampus, (b) the amygdala, (c) the Broca area, (d) the occipital lobe,and (e) the hypoglossal nerve?arrow_forward
- Will pain be felt upon stimulation of the central stump of the left vagus nerve if it was ligated? Explainarrow_forwardWhich structures unite to form a spinal nerve?arrow_forwardArthur dove off a small cliff into water that was shallower thanhe expected and hit his head on a submerged object. He is nowa quadriplegic, meaning that both his upper and lower limbs areparalyzed. Approximately where is the location of his injury?What is the likelihood that Arthur will recover from this injury?(You may want to review section 14.4 and Clinical View 14.3:“Treating Spinal Cord Injuries” in section 14.5 to answer thelatter question.)arrow_forward
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