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WorksheetsNeuro reflexes Exam 1
Total questions: 16
Worksheet time: 9mins
A complete lesion (surgical or otherwise) to the corpus collosum would result in what?
no communication between the cerebral hemispheres (split-brain patient)
abnormal nystagmus
loss of vision in both eyes due to cerebellar damage
loss of function for nerves II and III
Put treat in one hand and leave the other hand empty- keep hands in fist and present to dog. Should be able to identify which hand is holding the treat, what nerve is being tested?
optic nerve
olfactory nerve
oculomotor nerve
trochlear nerve
What assessments are performed for the optic nerve?
pupillary light reflex
corneal reflex
Visual reflex
palpebral reflex
Menace response
A lesion to the oculomotor nerve causes what direction movement of the eye
lateral strabismus
extorsion
medial strabismus
intorsion
lesion to the trochlear nerve causes what type of eye directional movement
lateral strabismus
extorsion
medial strabismus
intorsion
lesion to the oculomotor nerve would cause what in regards to the pupil
inability to dilate the pupil
inability to constrict the pupil
nothing- the pupil is not innervated by the oculomotor
oculomotor nerve lesion would cause what in regards to the eyelid
loss of ability to open the eyelid
loss of ability to close the eyelid
inability to open or close the eyelid
nothing- this nerve does not innervate the eyelid
A lesion to the abducent nerve would cause what clinical signs
lateral strabismus
medial strabismus
absence of third eyelid reflex
pupillary dilation
Ophthalmic branch of trigeminal lesion would include
failure to open the eye
failure of sensation the mouth
absent sensation around cheek and nostrils
absent palpebral reflex
Lesion to the maxillary branch of trigeminal
absent sensation around the eye
absent sensation around the cheek and nostril
loss of palpebral response
loss of motor innervation to the cheek and nostril
Clinical signs associated with a lesion to the mandibular of trigeminal
unable to close the mouth
loss of sensation to upper lip
atrophy of muscles of mastication
absent sensation around the mandibular region
Facial nerve signs of lesion
unable to close the eyelid (lack of blink response)
loss of sensation to the upper lip around the
upper lip droop
loss of tear production (dry eye)
Corneal reflex assesses function of what nerves
V and VII
V and VI
VI and VII
V and VIII
Palpebral reflex assesses the function of what nerves?
VI and VII
V and VI
V and VII
V and VIII
Vestibular lesion signs
loss of hearing
head tilt and walking in circles
Abnormal nystagmus (quick phase towards lesion)
Abnormal nystagmus (quick phase away from lesion)
Swallowing reflex CN
IX, X, XI
IX, X
IX, X, XII
X, XI, XII
