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NURS 5315 Module 7 Questions with 100% Verified Correct Answers 2024/2024 $10.49   Add to cart

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NURS 5315 Module 7 Questions with 100% Verified Correct Answers 2024/2024

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NURS 5315 Module 7 Questions with 100% Verified Correct Answers 2024/2024 Cranial Nerve I Function and sign of dysfunction - Correct Answer Olfactory sensory, carries impulses for sense and smell Loss or disturbance in the sense of smell Cranial Nerve II Function and sign of dysfunction -...

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  • August 26, 2024
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NURS 5315 Module 7 Questions with 100% Verified
Correct Answers 2024/2024
Cranial Nerve I Function and sign of dysfunction - Correct Answer Olfactory



sensory, carries impulses for sense and smell



Loss or disturbance in the sense of smell



Cranial Nerve II Function and sign of dysfunction - Correct Answer Optic



Sensory, carries impulses for vision



decreased visual acuity and contrast sensitivity, impaired color vision, and an afferent pupillary
defect. (blindness)



Cranial Nerve III Function and sign of dysfunction - Correct Answer Oculomotor



Contains motor fibers to interior oblique and to superior, inferior, ad medial rectus extraocular
muscles that direct eye ball; levator muscles of eyelid; smooth muscles of iris and ciliary body; and
proprioception (sensory) to brain from extraocular muscles



Drooping of the eyelid, eyeball moves outward, dilation of the pupil, double vision.



Cranial Nerve IV Function and sign of dysfunction - Correct Answer Trochlear



Propioceptor and motor fibers for superior oblique muscle of eye (extraocular muscles)



Rotation of eyeball upward and outward, double vision



Cranial Nerve V Function and sign of dysfunction - Correct Answer Trigenimal

,(facial muscles including chewing, facial sensation) This is the largest cranial nerve Both motor and
sensory for face; conducts sensory impulses from mouth, nose, surface of eye, and dura mater; also
contains motor fibers that stimulate chewing muscles



Sensory root - Pain or loss of sensation in the face, forehead, temple and eyes.

Motor root - affecting the jaw, trouble chewing



Cranial Nerve VI Function and sign of dysfunction - Correct Answer Abducems



Moves the eyeballs outwards by sending nerve impulses to the lateral rectus muscles



Deviation of the eyes outward; double vision



Cranial Nerve VII Function and sign of dysfunction - Correct Answer Facial



(taste, tears, saliva and facial expressions);

Mixed: 1. Supplies motor fibers to muscles of facial expression and to the lacrimal and salivary
glands.

2. Carries sensory fibers from taste buds of anterior part of tongue



Paralysis of all the muscles in one side of the face, inability to wrinkle the forehead, close the eye,
whistle, deviation of the mouth. Bell's Palsy



Cranial Nerve VIII Function and sign of dysfunction - Correct Answer Vestibulocochlear



(acoustic) auditory: Purely sensory; vestibular branch transmits impulses for sense of equilibrium,
cochlear branch transmits impulses for sense of hearing



Deafness or ringing in the ears, dizziness, nausea and vomiting



Cranial Nerve IX Function and sign of dysfunction - Correct Answer Glossopharyngeal



(swallowing, saliva, taste)

, Mixed: 1. Motor fibers serve pharynx and salivary glands. 2. Sensory fibers carry impulses from,
pharynx, posterior tongue, and pressure receptor of carotid artery (blood pressure)



Disturbance of taste; Difficulty in swallowing



Cranial Nerve X Function and sign of dysfunction - Correct Answer Vagus



(control of PNS: smooth muscles of GI tract); Sensory and motor impulses for pharynx; a large part of
this nerve is parasympathetic motor fibers, which supply smooth muscles of abdominal organs



Hoarseness and difficulty swallowing and talking.



This nerve also regulates the heart, blood vessels and digestion resulting in irregular heartbeat and
lowered blood pressure. It regulates the stomach telling it to move food through the digestive
system, thus damage can result in decreased digestion and thus nausea, bloating and vomiting.



Cranial Nerve XI Function and sign of dysfunction - Correct Answer Spinal Accessory



(Moving head & shoulders, swallowing); provides sensory and motor fibers for sternocleidomastoid
and trapezius muscles (movement of head and shoulders) and muscles of soft palate, pharynx, and
larynx (swallowing)



Dropping of the shoulder; inability to rotate the head away from affected area.



Cranial Nerve XII Function and sign of dysfunction - Correct Answer Hypoglossal



(tounge muscles, speech, swallowing);Carries motor fibers to muscles of tongue and sensory
impulses from tongue to brain.



Paralysis of one side of the tongue; deviation of tongue toward paralyzed side; thick speech.



Cerebrum Location, Function, Signs of injury/lesion/disorder - Correct Answer Largest, most upper
portion of the brain. Divided into left and right hemispheres.

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