Selected questions Flashcards

1
Q

What nerve can you stimulate in the trigemino-trigeminal reflex testing?

A

Mental nerve or
Infraorbital nerve

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2
Q

In RNS, at <5Hz, what decrement percentage is considered to be physiological?

A

< 5%

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3
Q

In RNS, at 10Hz, what pattern is expected with botulism?

A

Increment

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4
Q

What represents the jitter in SF-EMG?

A

The safety factor of NM transmission

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5
Q

Which of the following nerve has the fastest conduction in dog?
* Peroneal nerve
* Tibial nerve
* Ulnar nerve
* Radial nerve

A

Peroneal nerve

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6
Q

At what age MNCV adult values are approximately reached in dogs and cats, respectively?

  • 3 weeks & 2 weeks
  • 12 weeks & 1 month
  • 24 weeks & 2 months
  • 32 weeks & 3 months
A

32 weeks & 3 months

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7
Q

In MNCV, what disease process is typically characterized by an increase in latency with normal amplitude?

  • Axonopathy
  • Axonotmesis
  • Demyelination
  • Neurapraxia
A

Demyelination

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8
Q

In the blink reflex testing, what are the changes expected with a lesion of the pontine sensory nucleus?
*

A

Absent R1 & present R2, Rc, R3

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9
Q

What is the clinical use of the R1/D ratio in the blink reflex testing and direct facial stimulation?

A

Differentiate between a proximal and distal lesion of the facial nerve

*D = similar to M; R1 = similar to F
Longer D latency = smaller R1/D ratio = more distal Lx
Longer R1 latency = larger R1/D ratio = more proximal Lx

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10
Q

Which tract carries proprioceptive information from the pelvic limb

A

Spinomedullary tract

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11
Q

What is the recommended frequency of stimulation for SSEP?

A

< 5 Hz

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12
Q

It is an example of a potential GOOD clinical use SSEP

A) To determine severity of a spinal cord lesion

B) To monitor for improvement

C) To determine extension of the lesion

D) To give a better prognosis of the injury

A

C

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13
Q

In the ERG, wave B is representative of mostly:

A

Bipolar cells

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14
Q

Which statements are true about ERG and VEP:

A) The earliest age to perform an ERG is at 5 months old and 4 weeks old for a VEP.

B) An ERG can help to diagnose optic neuritis whereas VEP can help to diagnose sudden acquired retinal degeneration (SARD).

C) ERG test measures the electrical response of the light-sensitive cells in the eyes and VEP measures the time it takes for a visual stimulus to travel from the eye to the occipital cortex in the brain.

D) ERG and VEP can both be performed under general anesthesia.

A

C

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