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NUR 3121 Week 2 Eyes Test With Solution
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NUR 3121 Week 2 Eyes Test With Solution...
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NUR 3121 Week 2 Eyes TestWith Solution
How many muscles attach to eye - ANSWER 6
what are the 6 muscles that attach to the eye and which are straight/or
slanted - ANSWER straight: superior, inferior, lateral, medial rectus muscles
slanted: superior and inferior oblique muscles
what cranial nerves deal with the eyes - ANSWER VI, IV, III
sclera - ANSWER tough, protective, white covering
cornea - ANSWER refracts light and bends it so that it will focus on the inner
retina
choroid - ANSWER dark pigmentation to prevent light from reflecting
internally and is heavily vascularized to deliver blood to retina
iris - ANSWER muscle fibers of the iris contract and accommodate pupil
pupil - ANSWER size reacts to amount of ambient light and to
accommodation or focusing an object on retina
lens - ANSWER biconvex disc located just posterior to pupil
retina - ANSWER where light waves change into nerve impulses
, optic disc - ANSWER area in which fibers from retina converge to form optic
nerve
retinal vessels - ANSWER include a paired artery and vein extending to each
quadrant
macula - ANSWER receives and transduces light from center of visual field
image formed on retina is - ANSWER upside down and reversed
all retinal fibers collect to form - ANSWER optic nerve
pupillary light reflex - ANSWER constriction of pupils with bright light
fixation reflex of eye - ANSWER direction of the eye toward object attracting
attention
accommodation reflex of eye - ANSWER adaptation of eye for near vision
what two components of accommodation can be observed - ANSWER
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