5 Disc Diseases Webinar Quiz

5 Disc Diseases Webinar Quiz


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1. Which of the following types of disc disease is best described as a low-volume, high velocity extrusion of disc material into the spinal cord.
Type I
Type II
Type III
Fibrocartilagenous emboli

2. The evolution of discospondylitis into a space occupying abscess surrounding the spinal canal is called:

3. The average age for Type I disc disease in LARGE breed dogs is:
< 6 months
1 year
1-2 years
6-8 years
10 years

4. Which of the following neurologic grades best describes a dog that is completely paralyzed in the back legs, but retains intact deep pain perception?
Grade 1
Grade 2
Grade 3
Grade 4
Grade 5

5. What is the overall recovery rate for dogs that have absent deep pain but have no T2W signal changes inside the spinal cord on MRI that undergo a decompressive surgery?
Near 100%
Near 70%
Near 50%
Near 20%
Near 5%

6. Which of the following is considered a poor prognostic indicator of long term success in regards to disc disease at the lumbosacral junction (L7-S1)?
The degree of spinal pain
Urinary or fecal incontinence
The presence of a root signature in the pelvic limb
The size of the disc rupture on the MRI
Decreased spinal reflexes in the pelvic limbs

7. Which of following is NOT considered a common treatment of Type III disc disease?
Emergent surgical decompression
Pain medications
Medications to support micturition
Exercise restriction

8. In regards to the T2W signal seen in the spinal cord secondary to a fibrocartilagenous emboli, which of the following would indicate a good prognosis?
A lesion less than 2 vertebral segments in length
A lesion in the caudal cervical intumescence
A lesion that is only 80% of the cross sectional area of the spinal cord
A lesion at the lumbosacral intumescence

9. Which of the following is not a common cause of discospondylitis?
E. Coli
Rickettsial species

10. Which of the following blood tests is most likely to be abnormal in dogs with discospondylitis?
WBC count
Neutrophil count
C-reactive protein (CRP)