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Quiz on Anatomy: Cranial nerves, created by lknelin on 29/03/2015.

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Anatomy: Cranial nerves

Anatomy: Cranial nerves

Question 1 of 21

1

Cranial nerve I...

Select one or more of the following:

  • Originates in the receptors of the nasal epithelium

  • Is sensory

  • Terminates in the temporal lobe by way of the olfactory bulbs

  • Originates in the retina of the eyes

  • Terminates in the visual cortex by way of the lateral geniculate body in the thalamus

Explanation

Question 2 of 21

1

Cranial nerve II...

Select one or more of the following:

  • Originates in the retina of the eyes

  • Terminates in the visual cortex by way of the lateral geniculate body of the thalamus and optic chiasm

  • Originate in the mesencephalon

  • Terminates at the extrinsic eye muscles, ciliary body, and iris

  • Is responsible for eye motor movements

Explanation

Question 3 of 21

1

Cranial nerve III...

Select one or more of the following:

  • Originates in the mesencephalon

  • Terminates in the extrinsic eye muscles, iris, and ciliary bodies

  • Terminates in the superior oblique muscles of the eye

  • Is responsible for eye motor movements

  • Originates in the retinas of the eyes

Explanation

Question 4 of 21

1

Cranial nerve IV...

Select one or more of the following:

  • Originates in the mesencephalon

  • Terminates in the superior oblique muscles of the eyes

  • Is responsible for eye motor movement

  • Terminates in the extrinsic eye muscles, iris, and ciliary bodies

  • Originates in the retinas

Explanation

Question 5 of 21

1

Cranial nerve V...

Select one or more of the following:

  • Cell bodies originate in the semilunar ganglion

  • Terminates in the sensory nuclei of the pons

  • Cell bodies originate in the pons

  • Cell bodies terminate at the muscles of mastication

  • Terminates in the lateral rectus muscle of the eye

Explanation

Question 6 of 21

1

Cranial nerve III is composed of the ophthalmic, maxillary, and mandibular branches

Select one of the following:

  • True
  • False

Explanation

Question 7 of 21

1

The ophthalmic branch...

Select one or more of the following:

  • Is part of cranial nerve V

  • Conducts sensory impulses from the eye, nose, forehead, and scalp

  • Is part of cranial nerve IX

  • Is transmitted through the superior orbital fissue

  • Conducts sensory impulses from the temporal region, tongue, lower alveolar region, and jaw

Explanation

Question 8 of 21

1

The maxillary branch

Select one or more of the following:

  • Conducts sensory information from the lower eyelid, upper lip, cheek, nasal mucosa and upper palate

  • Is part of cranial nerve V

  • Is part of cranial nerve III

  • Conducts sensory information from the temporal region, tongue, lower alveolar region, and lower jaw

  • Conducts motor impulses to the lower eyelid, upper lip, cheek, nasal mucosa and upper palate

Explanation

Question 9 of 21

1

Cranial nerve V is mixed motor and sensory

Select one of the following:

  • True
  • False

Explanation

Question 10 of 21

1

The motor division of cranial nerve IX conducts impulses from the pons to the muscles of mastication

Select one of the following:

  • True
  • False

Explanation

Question 11 of 21

1

Cranial nerve VI...

Select one or more of the following:

  • Originates in the pons

  • Terminates in the lateral rectus muscle of the eye

  • Abducts the eye

  • Originates in the mesencephalon

  • Terminates in the extrinsic eye muscles

Explanation

Question 12 of 21

1

Cranial nerve VII...

Select one or more of the following:

  • Cell bodies are located in the geniculate ganglion

  • Originates on the anterior tongue and terminates on the sensory nuclei of the pons

  • Originates on the nuclei of the pons

  • Terminates on the lacrimal gland and nasal mucosa, and the muscles of facial expression

  • Terminates on the lateral rectus muscle

Explanation

Question 13 of 21

1

Cranial nerve VII is sensory only

Select one of the following:

  • True
  • False

Explanation

Question 14 of 21

1

Cranial nerve VI is routed through the sphenopalatine ganglion and the submandubilar and sublingual glands

Select one of the following:

  • True
  • False

Explanation

Question 15 of 21

1

Bell's Palsy is caused by the loss of function of one side of cranial nerve II

Select one of the following:

  • True
  • False

Explanation

Question 16 of 21

1

Cranial nerve VIII...

Select one or more of the following:

  • Originates from receptors in the cochlea

  • Cell bodies are located in peripheral ganglia

  • Originates from receptors in the vestibule and semicircular canals

  • Terminate in the vestibular and cochlear nerves of the pons and medulla

  • Terminate in the vestibular and cochlear nerves of the mesencephalon

Explanation

Question 17 of 21

1

Cranial nerve IX...

Select one or more of the following:

  • Arises from the posterior tongue, the pharynx, and the carotid sinus

  • Has sensory neurons in the superior and inferior ganglia

  • Terminates in the medulla

  • Arises from the medulla

  • Terminates on the pharyngeal muscles, and the parotid salivary gland via the otic ganglion

Explanation

Question 18 of 21

1

Cranial nerve X...

Select one or more of the following:

  • Originate in the pharynx, pinnae, diaphragm, and visceral organs of the body

  • Have sensory neurons in the jugular ganglion and nodose ganglio

  • Synapse in the medulla

  • Terminate in the pharynx, larynx, and visceral organs

  • Are sensory

Explanation

Question 19 of 21

1

Cranial nerve XI...

Select one or more of the following:

  • Originates in the medulla

  • Originates in the 1st five segments of the spinal cord

  • Terminates in the muscles of the soft palate, pharynx, larynx

  • Terminates in the sternocleidomastoid and trapezius

  • Passes through the jugular foramen

Explanation

Question 20 of 21

1

Cranial nerve IX is divided in the the bulbar root and the spinal root which eventually fuse

Select one of the following:

  • True
  • False

Explanation

Question 21 of 21

1

Cranial nerve XII...

Select one or more of the following:

  • Originates from the medulla

  • Terminates in the intrinsic muscles of the tongue

  • Terminates in the extrinsic muscles of the tongue

  • Terminates in the medulla

  • Originates in the intrinsic and extrinsic muscles of the tongue

Explanation

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