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ECC Neurological Assessment & Pathology Flashcards

6 cards from real ECC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 ECC Neurological Assessment & Pathology flashcards as text

  1. Which cranial nerve is assessed when testing a horse's menace response?

    Answer: Cranial nerve II (optic) and VII (facial)

    The menace response tests the afferent optic nerve (CN II) and efferent facial nerve (CN VII) pathway.

  2. Ataxia in a horse is best described as:

    Answer: Incoordination of voluntary muscle movement

    Ataxia refers to incoordination of voluntary movements, often indicating spinal cord or cerebellar dysfunction.

  3. Which grading scale is most commonly used to score equine ataxia in the US?

    Answer: Mayhew/Nollet Ataxia Scale (0–5)

    The Mayhew/Nollet scale grades equine ataxia from 0 (normal) to 5 (recumbent), and is the standard in US equine neurology.

  4. A horse that consistently sways when walking in a straight line but improves on a circle most likely has:

    Answer: Cervical spinal cord compression

    Cervical spinal cord compression typically worsens in a straight line and may improve slightly on circles due to altered spinal canal dynamics.

  5. The tail-pull test in horses primarily evaluates function of which spinal cord region?

    Answer: Lumbosacral (L1–S5)

    The tail-pull test assesses lumbosacral spinal cord and nerve root integrity by evaluating resistance to lateral tail displacement while walking.

  6. Equine Protozoal Myeloencephalitis (EPM) is caused by which organism?

    Answer: Sarcocystis neurona

    EPM is caused primarily by Sarcocystis neurona, a protozoan parasite that damages the central nervous system of horses in North America.