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Cranial Nerves Anatomy 1st Year PMU

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Cranial nerves
Med Student
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Resumen del Recurso

Pregunta 1

Pregunta
The optic nerve is formed hy the axons of the ganglion cells in the retina.
Respuesta
  • True
  • False

Pregunta 2

Pregunta
The vagus nerve is seeretomotor to the glands of the stomach.
Respuesta
  • True
  • False

Pregunta 3

Pregunta
The ophthalmic division of the trigeminal nerve lies on the medial wall of the cavernous sinus.
Respuesta
  • True
  • False

Pregunta 4

Pregunta
Abducent nerve is a pure somatomotor nerve.
Respuesta
  • True
  • False

Pregunta 5

Pregunta
Ganglion vestibulare is located in the depth of meatus acusticus internus.
Respuesta
  • True
  • False

Pregunta 6

Pregunta
The hypoglossal nerve has a nucleus in the floor of the fourth ventricle.
Respuesta
  • True
  • False

Pregunta 7

Pregunta
The vestibular part of the vestibulocochlear (eighth cranial) nerve is entirely sensory.
Respuesta
  • True
  • False

Pregunta 8

Pregunta
The vagus nerve is entirely motor nerve.
Respuesta
  • True
  • False

Pregunta 9

Pregunta
The vestibular part of the vestibulocochlear (eighth cranial) nerve has first neurons which are pseudounipolar.
Respuesta
  • True
  • False

Pregunta 10

Pregunta
The ciliary muscle is supplied by the oculomotor nerve.
Respuesta
  • True
  • False

Pregunta 11

Pregunta
The facial nerve
Respuesta
  • lies medial to the styloid process
  • is deep to the retromandibular (posterior facial) vein in the parotid gland
  • leaves the skull through the stylomastoid foramen
  • contains parasympathetic nerve fibers which innervate the parotid gland.

Pregunta 12

Pregunta
Which ofthe following cranial nerves can cause movement of trapezius muscle?
Respuesta
  • IV
  • VII
  • X
  • Xl

Pregunta 13

Pregunta
Which ofthe cranial nerve nuclei below is somatomotor (supply striated muscles)?
Respuesta
  • nucleus dorsalis n.vagi
  • nucleus n. hypoglossi
  • nucleus spinalis n. trigemini
  • nucleus solitarius
  • n.salivatorius caudalis

Pregunta 14

Pregunta
The superior orbital fissure transmits all of the following EXCEPT
Respuesta
  • ophthalmic division of the trigeminal nerve
  • maxillary division of the trigeminal nerve
  • oculomotor nerve
  • trochlear nerve
  • abducens nerve

Pregunta 15

Pregunta
Which of the following nerves is NOT contained within the cavernous sinus?
Respuesta
  • optic nerve
  • oculomotor nerve
  • trochlear nerve
  • trigeminal nerve (specifically the ophthalmic division)
  • abducent nerve

Pregunta 16

Pregunta
Which of the following is NOT a branch of the facial nerve?
Respuesta
  • temporal
  • zygomatic
  • buccal
  • mental
  • cervical

Pregunta 17

Pregunta
Which of the following does NOT contribute to innervation of the dura mater?
Respuesta
  • ophthalmic division ofthe trigeminal nerve
  • maxillary division ofthe trigeminal nerve
  • mandibular division of the trigeminal nerve
  • facial nerve
  • C1, C2, and C3

Pregunta 18

Pregunta
Which of the following cranial nerves exits the brainstem via the preolivary sulcus?
Respuesta
  • abducens (VI)
  • facial (VII)
  • hypoglossal (XII)
  • vagus (X)
  • trigeminal (V)

Pregunta 19

Pregunta
Which of the following cranial nerves exits the posterior (dorsal) aspect of the brainstem?
Respuesta
  • abducens (VI)
  • hypoglossal (XII)
  • trigeminal (V)
  • trochlear (IV)
  • vestibulocochlear (VIII)

Pregunta 20

Pregunta
A lesion involving the root of which of the following nerves would most likely have an effect on the gag (pharyngeal reflex) reflex?
Respuesta
  • accessory
  • facial
  • glossopharyngeal
  • hypoglossal
  • trigeminal

Pregunta 21

Pregunta
The oculomotor nerve
Respuesta
  • has its nucleus in the midbrain.
  • lies between the posterior cerebral and superior cerebellar arteries.
  • contains postganglionic parasympathetic nerve fibres.
  • supplies the levator palpebrae superioris muscle with sympathetic nerve fibres.
  • supplies the ciliary muscle.

Pregunta 22

Pregunta
The glossopharyngeal nerve
Respuesta
  • is entirely sensory.
  • contains fibres associated with taste from the posterior third of the tongue.
  • is the only sensory nerve from the mucous membrane of the pharynx.
  • leaves the skull through the jugular foramen.
  • is connected with the glossopharyngeal nucleus in the floor of the fourth ventricle.

Pregunta 23

Pregunta
The hypoglossal nerve
Respuesta
  • supplies all the extrinsic muscles of the tongue.
  • has a nucleus in the floor of the fourth ventricle.
  • emerges from the hindbrain lateral to the pyramid.
  • leaves the skull through a canal (foramen) in the occipital bone.
  • lies between the external and internal carotid arteries.

Pregunta 24

Pregunta
The vestibular part of the vestibulocochlear (eighth cranial) nerve
Respuesta
  • is entirely sensory
  • is connected through its nuclei with the cerebellar hemisphere mainly of the opposite side
  • has first neurons which are pseudounipolar
  • has a ganglion which lies in the vestibule of the internal ear
  • is connected through its nuclei and the medial longitudinal tract with the motor nucleus of the facial nerve.

Pregunta 25

Pregunta
The Cranial accessory nerve
Respuesta
  • Is the main nerve supply of the muscles of the pharynx.
  • Joins the vagus above jugular foramen.
  • Contains motor sensory fibres from the larynx.
  • Contains motor fibres from cell bodies forming a nucleus in the pons
  • Emerges from the hindbrain lateral to the olive.

Pregunta 26

Pregunta
The facial nerve
Respuesta
  • contains parasympathetic fibres supplying the lacrimal gland.
  • is deep to the external carotid artery in the parotid gland.
  • supplies the muscle which closes the eye of the same side
  • runs between the semicircular canals and cochlea.
  • emerges from the brain at the lower border of the pons. lateral to the vestibulocochlear (eighth cranial) nerve.

Pregunta 27

Pregunta
The vagus nerve
Respuesta
  • has a. motor nucleus in the floor of the fourth ventricle medial to the nucleus of the hypoglossal nerve.
  • emerges from the medulla oblongata medial to the olive.
  • contains taste fibres.
  • has cardiac branches originating only in the thorax.
  • leaves the skull through the jugular foramen.

Pregunta 28

Pregunta
The abducent nerve
Respuesta
  • has a nucleus which lies in the floor of the fourth ventricle.
  • has part of its course in the posterior cranial fossa.
  • is lateral to the internal carotid artery.
  • enters the orbit through the tendinous ring at the back of the orbit.
  • supplies the lateral rectus muscle.

Pregunta 29

Pregunta
The ophthalmic division of the trigeminal nerve
Respuesta
  • lies on the medial wall of the cavernous sinus.
  • has fibres which end in the upper part of the descending(spinal) nucleus of the trigeminal nerve.
  • supplies the skin of the lower eyelid.
  • supplies the skin of the side of side nose.
  • is sensory to the cornea.

Pregunta 30

Pregunta
The Hypoglossal nerve
Respuesta
  • contains fibres supplying some of the muscles attached to the hyoid bone.
  • lies deep to the hyoglossus muscle.
  • after emerging from the skull lies medial to the vagus nerve.
  • supplies the anterior belly of the digastric muscle.
  • is similar to the anterior roots of a spinal nerves

Pregunta 31

Pregunta
Match each description to the appropriate nerve A. n. glossopharyngeus [blank_start]1[blank_end] B n. accessorius [blank_start]5[blank_end] C. n. trigeminus [blank_start]none[blank_end] D. n. facialis [blank_start]2[blank_end] E. n. vagus [blank_start]3[blank_end], [blank_start]4[blank_end] 1. innervates glandula parotis 2. provides efferent ramus of the corneal reflex 3. provides efferent ramus of vomiting reflex 4. innervates infratentorial dura mater 5. is a purely motor nerve
Respuesta
  • 1
  • 2
  • 3
  • 4
  • 5
  • none
  • 5
  • 1
  • 2
  • 3
  • 4
  • none
  • none
  • 1
  • 2
  • 3
  • 4
  • 5
  • 2
  • 1
  • 3
  • 4
  • 5
  • none
  • 3
  • 1
  • 2
  • 4
  • 5
  • none
  • 4
  • 1
  • 2
  • 3
  • 5
  • none

Pregunta 32

Pregunta
Connect each anatomical structure with the corresponding foramen or fissura A. foramen jugulare [blank_start]4[blank_end] B. foramen lacerum [blank_start]5[blank_end] C. foramen rotundum [blank_start]3[blank_end] D. foramen spinosum [blank_start]1[blank_end] E. foramen stylomastoideum [blank_start]2[blank_end] 1. a. meningea media 2. n. facialis 3. n. maxillaris 4. nn. IX, X, XI 5. n. petrosus major
Respuesta
  • 4
  • 1
  • 2
  • 3
  • 5
  • 5
  • 1
  • 2
  • 3
  • 4
  • 3
  • 1
  • 2
  • 4
  • 5
  • 1
  • 2
  • 3
  • 4
  • 5
  • 2
  • 1
  • 3
  • 4
  • 5

Pregunta 33

Pregunta
Connect each ganglion with the relevant canial nerve from which its receives preganglionic parasympathetic fibers A. n. petrosus major [blank_start]2[blank_end] B. ramus inferior n. oculomotorius [blank_start]1[blank_end] C. chorda tympani [blank_start]3[blank_end] D. n. petrosus minor [blank_start]4[blank_end] 1. ganglion ciliare 2. ganglion pterygopalatinum 3. ganglion submandibulare 4. ganglion oticum
Respuesta
  • 2
  • 1
  • 3
  • 4
  • 1
  • 2
  • 3
  • 4
  • 3
  • 1
  • 2
  • 4
  • 4
  • 1
  • 2
  • 3

Pregunta 34

Pregunta
Through which of the following A to F do the structures 1 to 6 go? A. superior orbital fissure [blank_start]3[blank_end] B. foramen lacerum [blank_start]none[blank_end] C. foramen spinosum [blank_start]none[blank_end] D. optic canal (foramen) [blank_start]2[blank_end] E. foramen rotundum [blank_start]1[blank_end] F. none of these [blank_start]4[blank_end], [blank_start]5[blank_end], [blank_start]6[blank_end] 1. maxillary nerve 2. ophthalmic artery 3. nasociliary nerve 4. internal carotid artery 5. internal jugular vein 6. mandibular nerve
Respuesta
  • 3
  • none
  • 1
  • 2
  • 4
  • 5
  • 6
  • none
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • none
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 2
  • 1
  • 3
  • 4
  • 5
  • 6
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 4
  • 1
  • 2
  • 3
  • 5
  • 6
  • 5
  • none
  • 1
  • 2
  • 3
  • 4
  • 6
  • 6
  • none
  • 1
  • 2
  • 3
  • 4
  • 5

Pregunta 35

Pregunta
Which of the following A to F supplis the structures 1 to 6? A. ophthalmic nerve [blank_start]5[blank_end] B. facial nerve [blank_start]3[blank_end],[blank_start]6[blank_end] C hypoglossal nerve [blank_start]none[blank_end] D mandibular nerve [blank_start]2[blank_end] E. maxillary nerve [blank_start]1[blank_end] F. none of these [blank_start]4[blank_end] 1. upper teeth 2. masseter muscle 3. platysma muscle 4. palatoglossus muscle 5. cornea 6. taste buds of the anterior two-thirds of the tongue
Respuesta
  • 5
  • 1
  • 2
  • 3
  • 4
  • none
  • 3
  • none
  • 1
  • 2
  • 4
  • 5
  • 6
  • 6
  • none
  • 1
  • 2
  • 3
  • 4
  • 5
  • none
  • 1
  • 2
  • 3
  • 4
  • 5
  • 2
  • 1
  • 3
  • 4
  • 5
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • none
  • 6
  • none
  • 6
  • 4
  • 1
  • 2
  • 3
  • 5
  • 6
  • none

Pregunta 36

Pregunta
Match the corresponding structures: A. n.maxiliaris [blank_start]2[blank_end] B. n.mandibularis [blank_start]3[blank_end] C. n.oplithalmicus [blank_start]1[blank_end] D. n.facialis [blank_start]5[blank_end] E. n.vagus [blank_start]4[blank_end] 1. n.frontalis 2. n.zygomaticus 3. n.auriculotemporalis 4. n.laryngeus superior 5. chorda tympani
Respuesta
  • 2
  • 1
  • 3
  • 4
  • 5
  • 3
  • 1
  • 2
  • 4
  • 5
  • 1
  • 2
  • 3
  • 4
  • 5
  • 5
  • 1
  • 2
  • 3
  • 4
  • 4
  • 1
  • 2
  • 3
  • 5

Pregunta 37

Pregunta
Match the corresponding structures: A. n. glossopharyngeus [blank_start]3[blank_end] B. n. abducens [blank_start]6[blank_end] C. n. trigeminus [blank_start]2[blank_end] D. n. facialis [blank_start]1[blank_end] E. n. vagus trochlearis [blank_start]4[blank_end] F. n. trochlearis [blank_start]5[blank_end] 1. muscles of facial expression 2. muscles of mastication 3. glandula parotis 4. sensory supply of laryngeal cavity 5. m. obliquus superior 6. m. rectus lateralis
Respuesta
  • 3
  • 1
  • 2
  • 4
  • 5
  • 6
  • 6
  • 1
  • 2
  • 3
  • 4
  • 5
  • 2
  • 1
  • 3
  • 4
  • 5
  • 6
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 4
  • 1
  • 2
  • 3
  • 5
  • 6
  • 5
  • 1
  • 2
  • 3
  • 4
  • 6
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