Quiz by lknelin, created more than 1 year ago

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

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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