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Author Question: The majority of intervertebral disk herniations occur between which vertebral levels (cervical, C; ... (Read 77 times)

abc

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on: Jun 25, 2018
The majority of intervertebral disk herniations occur between which vertebral levels (cervical, C; thoracic, T; lumbar, L; sacral, S)?
 
  a. C1-C3
  b. T1-T4
  c. T12-L3
  d. L4-S1

Question 2

A patient presents with acute low back pain. There is no history of trauma. An MRI reveals that the vertebra at L5 has slipped forward relative to those below it. Which of the following condi-tions will be documented on the chart?
 
  a. Degenerative disk disease
  b. Spondylolysis
  c. Spondylolisthesis
  d. Spinal stenosis


ghepp

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: D
The most common disks affected by herniation are the lumbosacral disksthat is, L5-S1 and L4-L5.

Answer to Question 2

ANS: C
Spondylolisthesis occurs when there are vertebra slides forward or slips in relation to below it. Degenerative disk disease is a pathophysiological cause of spondylolisthesis but is not the defini-tion of the displacement. Spondylolysis is a structural defect of the spine.
Spinal stenosis is a narrowing of the spinal canal.


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