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Cranial nerves

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Cranial Nerves Anatomy 1st Year PMU

Question 1 of 20

1

The optic nerve is formed hy the axons of the ganglion cells in the retina.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 20

1

The vagus nerve is seeretomotor to the glands of the stomach.

Select one of the following:

  • True
  • False

Explanation

Question 3 of 20

1

The ophthalmic division of the trigeminal nerve lies on the medial wall of the cavernous sinus.

Select one of the following:

  • True
  • False

Explanation

Question 4 of 20

1

Abducent nerve is a pure somatomotor nerve.

Select one of the following:

  • True
  • False

Explanation

Question 5 of 20

1

Ganglion vestibulare is located in the depth of meatus acusticus internus.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 20

1

The hypoglossal nerve has a nucleus in the floor of the fourth ventricle.

Select one of the following:

  • True
  • False

Explanation

Question 7 of 20

1

The vestibular part of the vestibulocochlear (eighth cranial) nerve is entirely sensory.

Select one of the following:

  • True
  • False

Explanation

Question 8 of 20

1

The vagus nerve is entirely motor nerve.

Select one of the following:

  • True
  • False

Explanation

Question 9 of 20

1

The vestibular part of the vestibulocochlear (eighth cranial) nerve has first neurons which are pseudounipolar.

Select one of the following:

  • True
  • False

Explanation

Question 10 of 20

1

The ciliary muscle is supplied by the oculomotor nerve.

Select one of the following:

  • True
  • False

Explanation

Question 11 of 20

1

The facial nerve

Select one of the following:

  • 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.

Explanation

Question 12 of 20

1

Which ofthe following cranial nerves can cause movement of trapezius muscle?

Select one of the following:

  • IV

  • VII

  • X

  • Xl

Explanation

Question 13 of 20

1

Which ofthe cranial nerve nuclei below is somatomotor (supply striated muscles)?

Select one of the following:

  • nucleus dorsalis n.vagi

  • nucleus n. hypoglossi

  • nucleus spinalis n. trigemini

  • nucleus solitarius

  • n.salivatorius caudalis

Explanation

Question 14 of 20

1

The superior orbital fissure transmits all of the following EXCEPT

Select one of the following:

  • ophthalmic division of the trigeminal nerve

  • maxillary division of the trigeminal nerve

  • oculomotor nerve

  • trochlear nerve

  • abducens nerve

Explanation

Question 15 of 20

1

Which of the following nerves is NOT contained within the cavernous sinus?

Select one of the following:

  • optic nerve

  • oculomotor nerve

  • trochlear nerve

  • trigeminal nerve (specifically the ophthalmic division)

  • abducent nerve

Explanation

Question 16 of 20

1

Which of the following is NOT a branch of the facial nerve?

Select one of the following:

  • temporal

  • zygomatic

  • buccal

  • mental

  • cervical

Explanation

Question 17 of 20

1

Which of the following does NOT contribute to innervation of the dura mater?

Select one of the following:

  • ophthalmic division ofthe trigeminal nerve

  • maxillary division ofthe trigeminal nerve

  • mandibular division of the trigeminal nerve

  • facial nerve

  • C1, C2, and C3

Explanation

Question 18 of 20

1

Which of the following cranial nerves exits the brainstem via the preolivary sulcus?

Select one of the following:

  • abducens (VI)

  • facial (VII)

  • hypoglossal (XII)

  • vagus (X)

  • trigeminal (V)

Explanation

Question 19 of 20

1

Which of the following cranial nerves exits the posterior (dorsal) aspect of the brainstem?

Select one of the following:

  • abducens (VI)

  • hypoglossal (XII)

  • trigeminal (V)

  • trochlear (IV)

  • vestibulocochlear (VIII)

Explanation

Question 20 of 20

1

A lesion involving the root of which of the following nerves would most likely have an effect on the gag (pharyngeal reflex) reflex?

Select one of the following:

  • accessory

  • facial

  • glossopharyngeal

  • hypoglossal

  • trigeminal

Explanation

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