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Cranial Nerves

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Principles and animal form and fucntion (Unit 5 Nervous System) Quiz sobre Cranial Nerves, criado por Jack Fawsitt em 18-02-2017.
Jack Fawsitt
Quiz por Jack Fawsitt, atualizado more than 1 year ago
Jack Fawsitt
Criado por Jack Fawsitt mais de 7 anos atrás
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Resumo de Recurso

Questão 1

Questão
Which nerve innervates the horn in cattle and is blocked when de-horning?
Responda
  • Infratrochlear nerve, a branch of the ophthalmic division of the trigeminal nerve
  • Frontal nerve, a branch of the ophthalmic division of the trigeminal nerve
  • Infraorbital nerve, a branch of the maxillary division of the trigeminal nerve
  • Cornual nerve, a branch of the maxillary division of the trigeminal nerve
  • Auriculopalpebral nerve, a branch of the facial nerve

Questão 2

Questão
Which ONE of the following statements regarding the innervation of the eye and adnexa is FALSE?
Responda
  • The sphincter muscle of the iris receives voluntary, motor innervation via the Optic nerve (CN II).
  • The lacrimal gland receives parasympathetic innervation from the facial nerve.
  • The extraocular muscles that control the position of the eye in the orbit receive motor innervation from cranial nerves III (oculomotor), IV (trochlear) and VI (abducens).
  • The cornea receives sensory innervation via a branch of the Trigeminal nerve.

Questão 3

Questão
Concerning the motor innervation of the rostral and caudal bellies of the digastricus muscle:
Responda
  • Both the rostral and caudal bellies are innervated by the mylohoideus nerve a branch of the mandibular division of Trigeminal
  • The rostral belly is innervated by the digastric nerve a branch of the mandibular division of trigeminal whilst the caudal belly is innervated by the mylohyoideus nerve a branch of the facial nerve.
  • The rostral belly of digastricus is innervated by the hypoglossal nerve whilst the caudal belly is innervated by the mandibular division of Trigeminal nerve.
  • The rostral belly is innervated by the mylohoideus nerve a branch of the mandibular division of trigeminal nerve whilst the caudal belly is innervated by the digastric nerve a branch of the facial nerve.

Questão 4

Questão
All of the following are components of the auditory pathways to conscious level EXCEPT:
Responda
  • Cochlear division of cranial nerve VIII (vestibulocochlear)
  • Caudal colliculus
  • Cochlear nuclei
  • Medial geniculate nucleus
  • Vestibular nuclei

Questão 5

Questão
Which of the following statements concerning location of nerve cell bodies is FALSE?
Responda
  • Cell bodies of neurones supplying the horn in small ruminants are located in the trigeminal ganglion
  • Cell bodies of motor neurones innervating the trapezius muscle are located in the 1st 4 cervical segments of the spinal cord.
  • Cell bodies of preganglionic parasympathetic neurones supplying the stomach are located in the parasympathetic nucleus of X
  • Cell bodies of cranial nerve I (olfactory) are located in the olfactory bulb
  • Cell bodies of the neurones forming cranial nerve II (optic) are located in the ganglion cell layer of the retina

Questão 6

Questão
A cat comes into your practice for an eye examination. You test the ocular reflexes and you find: - a normal bilateral menace response - a normal direct pupillary light reflex (PLR) in the right eye but no consensual PLR in the left eye - no direct PLR in the left eye but a normal consensual PLR in the right eye - a drooping upper eyelid on the left side Where is the lesion most likely to be?
Responda
  • Right optic nerve (CNII)
  • Left oculomotor nerve (CNIII)
  • Right oculomotor nerve (CNIII)
  • Left lateral geniculate nucleus

Questão 7

Questão
Why would paralysis of the dorsal and ventral buccal branches of the right facial nerve (CNVII) result in marked clinical signs in the horse?
Responda
  • The dorsal and ventral buccal branches are very superficial
  • The horse lacks a firm muzzle and therefore facial asymmetry is more evident than in other species
  • The right dorsal and ventral buccal branches have more nerve fibres than the left
  • The horse's facial musculature is well innervated Check

Questão 8

Questão
Guttural pouch disease frequently causes neurological signs that can include cranial nerve deficits. This is because five cranial nerves pass through the walls of the guttural pouch of the horse. One of these passes through the lateral compartment and is rarely affected by disease, the other four run through the medial compartment and are commonly affected by disease. Which four cranial nerves run through the medial compartment of the guttural pouch?
Responda
  • Glossopharyngeal (CNIX), vagus (CNX), accessory (CNXI) and hypoglossal (CNXII) nerves
  • Facial (CNVII), vagus (CNX), accessory (CNXI) and hypoglossal (CNXII) nerves
  • Vestibulocochlear (CNVIII), glossopharyngeal (CNIV), vagus (CNX) and accessory (CNXI) nerves
  • Trigeminal (CNV), glossopharyngeal (CNIV), vagus (CNX) and accessory (CNXI) nerves

Questão 9

Questão
Which nerve does the chorda tympani (a branch of the facial nerve (CNVII) join outside of the tympanic bulla?
Responda
  • Pterygopalatine nerve
  • Hypoglossal nerve
  • Lingual nerve
  • Glossopharyngeal nerve

Questão 10

Questão
The image below shows a dog head from a right lateral view. The skin and superficial muscles have been removed. Which branch of the trigeminal nerve (CNV) is indicated by A?
Image:
ada9d14d-d5a6-421f-9e20-d9c5288f1bfa (image/png)
Responda
  • Infraorbital nerve
  • Mental nerve
  • Mandibular nerve
  • Ventral buccal branch

Questão 11

Questão
You are a vet in small animal general practice. You examine a dog and find the following: - atrophy of the left temporalis and masseter muscles - hypertrophy of the right temporalis and masseter muscles - no lateral palpebral reflex on the left lower eye tested. - normal blinking was observed during the consultation
Responda
  • Maxillary and mandibular nerves
  • Mandibular and facial nerves
  • Facial and ophthalmic nerves
  • Ophthalmic and maxillary nerves

Questão 12

Questão
Which cranial nerve provides motor innervation to the tongue?
Responda
  • Hypoglossal nerve (CNXII)
  • Facial nerve (CNVII)
  • Trigeminal nerve (CNV)
  • Glossopharyngeal nerve (CNIX)

Questão 13

Questão
Which extrinsic muscles of the eye does the oculomotor nerve (CN III) provide motor innervation to?
Responda
  • Medial rectus, dorsal rectus, ventral rectus, retractor bulbi muscles.
  • Lateral rectus, medial rectus, ventral rectus and ventral oblique muscles.
  • Medial rectus, dorsal rectus, ventral rectus and ventral oblique muscles
  • Lateral rectus, medial rectus, dorsal rectus and ventral rectus muscles.

Questão 14

Questão
Nerve fibres can be classified according to: distribution, tissue supplied and signal direction. Using these three categories how would the accessory nerve (CNXI) be classifed?
Responda
  • Special somatic efferent (SSE)
  • General somatic efferent (GSE or SE)
  • General visceral efferent (GVE or VE)
  • General somatic afferent (GSA)

Questão 15

Questão
The image below shows the canine cranium from a left ventral oblique view. What is the name of the opening from the cranium (i.e. fissure, foramen or canal) indicated by the arrow? Which cranial nerve emerges from it?
Image:
51a4218f-e2e4-40f0-be5e-98226a77bac6 (image/png)
Responda
  • Hypoglossal canal; hypoglossal nerve (CNXII)
  • Jugular foramen; vagus nerve (CNX)
  • Oval foramen; trigeminal nerve mandibular branch(CNV3)
  • Stylomastoid foramen; facial nerve (CNVII)

Questão 16

Questão
Which cranial nerve branch passes all the way through the middle ear cavity?
Responda
  • Cochlear component of the vestibulocochlear nerve
  • Chorda tympani
  • Vestibular component of the vestibulocochlear nerve
  • Major petrosal nerve

Questão 17

Questão
Which cranial nerve is the only one to attach to the brain at the pons?
Responda
  • Trigeminal nerve (CNV)
  • Trochlear nerve (CN IV)
  • Facial nerve (CNVII)
  • Oculomotor nerve (CNIII)

Questão 18

Questão
Which cranial nerve(s) attach to the midbrain?
Responda
  • CNIII & CNIV
  • CNII
  • CNV
  • CNIII, CNIV & CNV
  • CNIX & CNX

Questão 19

Questão
Which one of these cranial nerves does NOT attach to the Medulla oblongata?
Responda
  • CN VI
  • CN VII
  • CN VIII
  • CN IX
  • CN X
  • CN XI
  • CN XII
  • CN V

Questão 20

Questão
What are the cranial nerves which provide parasympathetic supply?
Responda
  • CN III, CN VII, CN IX & CN X
  • CN II, CN III, CN VII & CN X
  • CN II, CN III, CN VII & CN IX
  • CN I, CN II , CN VII & CN X

Questão 21

Questão
Which cranial nerve provides parasympathetic supply to constrict the pupil size?
Responda
  • CN III
  • CN VII
  • CN IX
  • CN X

Questão 22

Questão
Which cranial nerve provides parasympathetic nerve supply to the lacrimal gland and the salivary glands sublingual and mandibular?
Responda
  • CN VII
  • CN III
  • CN IX
  • CN X

Questão 23

Questão
Which cranial nerve provides parasympathetic nerve supply to the parotid salivary gland?
Responda
  • CN IX
  • CN III
  • CN VII
  • CN X

Questão 24

Questão
Which cranial nerve provides parasympathetic nerve supply to the viscera of viscera of cervical, thorax and abdomen?
Responda
  • CN X
  • CN III
  • CN VII
  • CN IX

Questão 25

Questão
Which cranial nerve(s) pass through the orbital fissure?
Responda
  • CN III, CN IV, CN V & CN VI
  • CN VII
  • CN X & CN XI
  • CN I, CN III & CN III

Questão 26

Questão
Which cranial nerve(s) pass through the jugular foramen?
Responda
  • CN IX, CN X & CN XI
  • CN XII
  • CN VII
  • CN III, CN IV & CN V

Questão 27

Questão
Which cranial nerve(s) passes through the hypoglossal canal?
Responda
  • CN XII
  • CN IX, CN X N & CN XI
  • CN VII
  • CN VIII

Questão 28

Questão
Which cranial nerve provides the sensory input for taste of the caudal 1/3 of the tongue?
Responda
  • CN IX
  • CN VII
  • CN X
  • CN XI

Questão 29

Questão
Which cranial nerve is the smallest in size?
Responda
  • CN IV
  • CN V
  • CN VI
  • CN III

Questão 30

Questão
Which cranial nerve is the largest in size?
Responda
  • CN V
  • CN IV
  • CN III
  • CN VI

Questão 31

Questão
The Parasympathetic pathway where Preganglionic fibres run to the cilary ganglion describes which cranial nerve?
Responda
  • CN III
  • CN VII
  • CN IX
  • CN X

Questão 32

Questão
The Parasympathetic pathway where Preganglionic fibres run to the pterygopalatine and mandibular ganglion describes which cranial nerve?
Responda
  • CN VII
  • CN III
  • CN IX
  • CN X

Questão 33

Questão
The Parasympathetic pathway where Preganglionic fibres run to the otic ganglion describes which cranial nerve?
Responda
  • CN IX
  • CN X
  • CN III
  • CN VII

Questão 34

Questão
The Parasympathetic pathway where Preganglionic fibres run to the terminal ganglion describes which cranial nerve?
Responda
  • CN X
  • CN III
  • CN VII
  • CN IX

Questão 35

Questão
Which trigeminal branch CN V provides sensory input from the cornea and upper eyelids?
Responda
  • CN V1 Opthalmic
  • CN V2 Maxillary
  • CN V3 Mandibular

Questão 36

Questão
Which trigeminal nerve branch CN V provides sensory input from the lower eye lids?
Responda
  • CN V1 Opthalmic
  • CN V2 Maxillary
  • CN V3 Mandibular

Questão 37

Questão
What cranial nerve must have a dysfunction for a ventrolateral strabismus?
Responda
  • CN III
  • CN IV
  • CN VI
  • CN VII

Questão 38

Questão
What cranial nerve must have a dysfunction for a extorsional strabismus?
Responda
  • CN IV
  • CN III
  • CN VI
  • CN VII

Questão 39

Questão
What cranial nerve must have a dysfunction for a medial strabismus?
Responda
  • CN VI
  • CN IV
  • CN III
  • CN VII

Questão 40

Questão
What branch of CNV arises from the rostral alar foramen?
Responda
  • CN V2 Maxillary
  • CN V1 Opthalmic
  • CN V3 Mandibular

Questão 41

Questão
What muscle(s) does CN IV innervate?
Responda
  • Dorsal oblique
  • Lateral rectus & retractor bulbi
  • Medial, ventral & dorsal rectus and the ventral oblique

Questão 42

Questão
What muscle(s) does CN VI innervate?
Responda
  • Lateral rectus & retractor bulbi
  • Dorsal oblique
  • Medial, dorsal & ventral rectus and the ventral oblique.

Questão 43

Questão
What muscle(s) does CN III innervate?
Responda
  • Medial, ventral & dorsal rectus and the ventral oblique
  • Dorsal oblique
  • Lateral rectus & retractor bulbi

Questão 44

Questão
What cranial nerve is innervates muscles for neck turning?
Responda
  • CN XI
  • CN XII
  • CN X
  • CN IX
  • CN VII

Questão 45

Questão
Which of the following groups of cranial nerves all contain general visceral Efferent (GVE) components?
Responda
  • III, VII, IX, X
  • V, VI, VII, XI
  • V, VII, IX, X, XI
  • IX, X, XI, XII
  • III, IV, VI, XII

Questão 46

Questão
The extrinsic muscles of the tongue receive motor innervation from?
Responda
  • Hypoglossal
  • Glossopharyngeal
  • Vagus
  • Trigeminal
  • Facial

Questão 47

Questão
Which nerve supplies motor innervation to muscles such as levator nasolabialis?
Responda
  • Maxillary V
  • Mental branch of mandibular V
  • Infraorbital branch of maxillary V
  • Mandibular V
  • Facial VII

Questão 48

Questão
Which branch of which nerve supplies cutaneous sensation to the chin?
Responda
  • Mental branch of mandibular V
  • Infraorbital branch of maxillary V
  • Auriculotemporal branch of V
  • Maxillary V
  • Facial VII

Questão 49

Questão
Which cranial nerve passes through the cribiform plate of the skull?
Responda
  • Optic (II)
  • Trochlear (IV)
  • Oculomotor (III)
  • Trigeminal (V)
  • Olfactory (I)

Questão 50

Questão
The upper premolars and molars are innervated by:
Responda
  • Auriculopalpebral (VII)
  • Facial (VII)
  • Mandibular (V)
  • Infraorbital (V)
  • Auriculotemporal (V)

Questão 51

Questão
The cornual nerve supplies sensory innervation to the bovine horn. From which nerve is it derived?
Responda
  • Dorsal buccal (VII)
  • Mandibular n. (V3)
  • Maxillary n. (V2)
  • Auriculopalpebral (VII)
  • Ophthalmic (V)

Questão 52

Questão
Which cranial nerve supplies sensory innervation to the larynx?
Responda
  • Accessory (XI)
  • Facial (VII)
  • Vagus (X)
  • Hypoglossal (XII)
  • Glossopharyngeal (IX)

Questão 53

Questão
the carotid sinus at the origin of the internal carotid artery is innervated by
Responda
  • Facial n (VII)
  • Vagus n (X)
  • Abducens n (VI)
  • Accessory n (XI)
  • Glossopharyngeal n (IX)

Questão 54

Questão
The cornea receives sensory innervation from the long ciliary nerves of
Responda
  • Maxillary n (V)
  • Oculomotor n (III)
  • Ophthalmic n (V)
  • Auriculopalpebral n (VII)
  • Dorsal buccal n (VII)

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