LAB MANUAL FOR HUMAN A&P MAIN VERSION
4th Edition
ISBN: 9781266871016
Author: Martin
Publisher: MCG
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Textbook Question
Chapter 28, Problem 2PL
The inferior end of the adult spinal cord terminates
a. just inferior to L1.
b. inferiortoL5.
c. in the sacrum.
d. in the coccyx.
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Check out a sample textbook solutionStudents have asked these similar questions
In adults, the spinal cord is not the same length as the vertebral canal, and most of the lumbar part of the spinal cord is within
A. the coccyx.
B. the sacrum.
C. the cervical vertebrae.
D. the thoracic vertebrae.
E. the cauda equina.
The intercostal nerves between the ribs arise from which spinal nerve plexus? a. cervical b. brachial c. lumbar d. sacral e. none of them
The tapered inferior end of the spinal cord is called thea. conus medullaris.b. filum terminale.c. cauda equina.d. posterior root
Chapter 28 Solutions
LAB MANUAL FOR HUMAN A&P MAIN VERSION
Ch. 28 - The ____________ is the most superficial membrane...Ch. 28 - The inferior end of the adult spinal cord...Ch. 28 - Prob. 3PLCh. 28 - Which of the following is not part of the gray...Ch. 28 - The central canal of the spinal cord is located...Ch. 28 - The brachial plexus is formed from components of...Ch. 28 - There are eight pairs of cervical spinal nerves....Ch. 28 - The major ascending (sensory) and descending...Ch. 28 - Match the terms in column A with the descriptions...Ch. 28 - Prob. F28.14A
Ch. 28 - The spinal cord gives rise to 31 pairs...Ch. 28 - The bulge in the spinal cord that gives off nerves...Ch. 28 - The bulge in the spinal cord that gives off nerves...Ch. 28 - The ______________ is a groove that extends the...Ch. 28 - In a spinal cord cross section, the posterior...Ch. 28 - The axons of motor neurons are found in the...Ch. 28 - The _______________ connects the gray matter on...Ch. 28 - The _______ in the gray commissure of the spinal...Ch. 28 - The white matter of the spinal cord is divided...Ch. 28 - There are ______________________ pairs of cervical...Ch. 28 - There are ______________________ pairs of sacral...Ch. 28 - Cervical spinal nerve pair C1 originates between...Ch. 28 - Spinal nerves L4 through S4 form a...Ch. 28 - The gray matter of the spinal cord is divided into...Ch. 28 - The spinal cord ends just inferior to L1 in a...Ch. 28 - Severing the ______________________ nerves of the...Ch. 28 - The inferior and superior gluteal nerves of the...Ch. 28 - To block chronic pain in a patient, sometimes...Ch. 28 - Prob. 4.2ACh. 28 - Injuries to the vertebral column and spinal cord...Ch. 28 - Why are intramuscular injections given in the...Ch. 28 - Prob. 4.2CT
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- Name the structure indicated by the arrow in this longitudinal view of the spinal cordarrow_forwardWhich of these is not a region of the spinal cord? a. cervical b. thoracic c. pelvic d. lumbar e. sacralarrow_forwardThis is a cross (transverse) section of a spinal cord, stained, as seen under a light microscope at low magnification. Label each of the following on the image.arrow_forward
- Describe the spinal cord according to: A. location B. shape and length C. vertebral levels of upper and lower extremities D. distribution of gray and white matter E. anatomical enlargements F. features at distal end G. attachment of spinal nervesarrow_forwardThe spinal cord extends from the a. medulla oblongata to the coccyx. b. level of the third cervical vertebra to the соссух. c. level of the axis to the lowest lumbar vertebra. d. level of the foramen magnum to the second lumbar vertebra. e. axis to the sacral hiatusarrow_forwardThe most superior location of the spinal cord (where it connects to the brain) is most closely associated with the A.parietal bone B.cauda equina C.conus medullaris D.foramen magnum E.thoracic vertebraearrow_forward
- Damage to the surface tissue of the spinal cord will most likely affecta. information processing within the spinal cord.b. the stimulation of sensory organs.c. communication between the peripheral nervous system and the brain.d. reflex arcs.arrow_forwardMark the following statements about the spinal cord as true or false. If a statement is false, correct it to make a true statement.a. The spinal cord functions as a relay and processing station.b. The spinal cord extends from the foramen magnum to the level between the first and second lumbar vertebrae.c. The epidural space around the spinal cord is only a potential space.d. The posterior horn of spinal gray matter contains the cell bodies of motor neurons.e. The corticospinal tracts are the main sensory tracts in the spinal cordarrow_forwardWhich of the following does not describe the spinal nerves? A.They are created through a combination of dorsal and ventral roots. B. They exit the vertebral column through intervertebral spaces. C. Some are made up of only sensory fibers, while others are made up of motor fibers. D. There are thirty-one spinal nerves. They are named based on where they exit the vertebral column.arrow_forward
- The vertebral canal is occupied by a bundle of spinal nerve roots called a. the terminal filum. b.Below L2 the descending tracts. c. the gracile fasciculus. d. the medullary cone. e. the cauda equina.arrow_forwardA typical spinal nerve: Select one: is protected by the dura, arachnoid and pia mater b. normally divides into four branches that will supply the thoracic region, the abdominal region, the pelvic region and the limbs C. contains one nerve fibre and it's myelin sheath d. is covered by the connective tissue called endomysium e. attaches to the spinal cord via the dorsal and ventral roots O a.arrow_forwardWhich of these nerves arises from the cervical plexus?a. median c. phrenic e. ulnarb. musculocutaneous d. obturatorarrow_forward
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