EBK HUMAN ANATOMY
9th Edition
ISBN: 9780134424828
Author: Nath
Publisher: YUZU
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Textbook Question
Chapter 10, Problem 1RFT
Match each numbered item with the most closely related lettered item.
spinalis.................................................
Expert Solution & Answer
Summary Introduction
To review:
Match the term spinalis with the most closely related description given below:
Compresses cheeks
Elevates larynx
Tenses skin of neck
Pelvic floor/ associated structures
Elevates mandible
Move ribs
Retracts tongue
Extends neck
Eye muscles
Makes eye look down
Introduction:
Spinalis is a portion of erector spinae, it is a group of muscles present in the intermediate layer of the back muscles. There are two muscles in this group, namely spinalis cervicis and spinalis thoracis.
Explanation of Solution
Spinalis muscles are linked to the vertebral column’s spinous processes. Of these two, spinalis cervicis originates from the cervical C7 to T2 spinous process and inserts at spinous processes of the axis and the cervical C3-C4. The primary action of this muscle is to extend the neck.
Conclusion
Therefore, it can be concluded that the term spinalis can be correctly matched with option (h) extends neck.
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Fill in the blanks below:
Sensory neurons carrying information into the spinal cord synapse at the .................. horn.
Motor commands exiting the spinal cord are generated in the............... horn.
The interneurons that process sensory information and determine the appropriate motor output are found in the.................... matter of the spinal cord.
The myelinated axons of the neurons carrying information to and from the brain are found in the .............. matter.
Choose the correct answer, and explain why it is correct. Through which pair of intervertebral foramina do spinal nerves L5 leave the vertebral canal? (a) holes in the sacrum, (b) just superior to vertebra L5, (c) just superior to S1, (d) just inferior to S4.
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 equina
Chapter 10 Solutions
EBK HUMAN ANATOMY
Ch. 10 - Match each numbered item with the most closely...Ch. 10 - Prob. 2RFTCh. 10 - Prob. 3RFTCh. 10 - Prob. 4RFTCh. 10 - Prob. 5RFTCh. 10 - Prob. 6RFTCh. 10 - Prob. 7RFTCh. 10 - Match each numbered item with the most | closely...Ch. 10 - Match each numbered item with the most closely...Ch. 10 - Prob. 10RFT
Ch. 10 - Prob. 11RFTCh. 10 - Prob. 12RFTCh. 10 - Prob. 13RFTCh. 10 - Prob. 14RFTCh. 10 - Which of the following describes the action of the...Ch. 10 - Prob. 16RFTCh. 10 - Prob. 17RFTCh. 10 - Prob. 18RFTCh. 10 - Prob. 19RFTCh. 10 - Prob. 20RFTCh. 10 - 21. Which cranial nerve is most likely to have...Ch. 10 - During abdominal surgery, the surgeon makes a cut...Ch. 10 - Prob. 2RCCh. 10 - Which of the following muscles plays no role in...Ch. 10 - Which of the following features are common to the...Ch. 10 - Prob. 5RCCh. 10 - What role do the muscles of the tongue play in...Ch. 10 - Prob. 7RCCh. 10 - Prob. 8RCCh. 10 - What is the function of the diaphragm? Why is it...Ch. 10 - 10. What muscles are involved in controlling the...Ch. 10 - How do the muscles of the anal triangle control...Ch. 10 - Mary sees Jill coming toward her and immediately...
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