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Anatomy: Cranial nerves

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Quiz on Anatomy: Cranial nerves, created by lknelin on 29/03/2015.
lknelin
Quiz by lknelin, updated more than 1 year ago
lknelin
Created by lknelin over 9 years ago
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Resource summary

Question 1

Question
Cranial nerve I...
Answer
  • 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

Question 2

Question
Cranial nerve II...
Answer
  • 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

Question 3

Question
Cranial nerve III...
Answer
  • 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

Question 4

Question
Cranial nerve IV...
Answer
  • 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

Question 5

Question
Cranial nerve V...
Answer
  • 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

Question 6

Question
Cranial nerve III is composed of the ophthalmic, maxillary, and mandibular branches
Answer
  • True
  • False

Question 7

Question
The ophthalmic branch...
Answer
  • 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

Question 8

Question
The maxillary branch
Answer
  • 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

Question 9

Question
Cranial nerve V is mixed motor and sensory
Answer
  • True
  • False

Question 10

Question
The motor division of cranial nerve IX conducts impulses from the pons to the muscles of mastication
Answer
  • True
  • False

Question 11

Question
Cranial nerve VI...
Answer
  • 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

Question 12

Question
Cranial nerve VII...
Answer
  • 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

Question 13

Question
Cranial nerve VII is sensory only
Answer
  • True
  • False

Question 14

Question
Cranial nerve VI is routed through the sphenopalatine ganglion and the submandubilar and sublingual glands
Answer
  • True
  • False

Question 15

Question
Bell's Palsy is caused by the loss of function of one side of cranial nerve II
Answer
  • True
  • False

Question 16

Question
Cranial nerve VIII...
Answer
  • 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

Question 17

Question
Cranial nerve IX...
Answer
  • 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

Question 18

Question
Cranial nerve X...
Answer
  • 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

Question 19

Question
Cranial nerve XI...
Answer
  • 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

Question 20

Question
Cranial nerve IX is divided in the the bulbar root and the spinal root which eventually fuse
Answer
  • True
  • False

Question 21

Question
Cranial nerve XII...
Answer
  • 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
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