©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED
FIRST PUBLISH OCTOBER 2024
NUR 3121 Week 2: Eyes Exam Study
Guide Solutions
how many muscles attach to eye - Ans:✔✔-6
what are the 6 muscles that attach to the eye and which are straight/or slanted - Ans:✔✔-straight:
superior, inferior, lateral, medial rectus muscles
slanted: superior and inferior oblique muscles
what cranial nerves deal with the eyes - Ans:✔✔-VI, IV, III
sclera - Ans:✔✔-tough, protective, white covering
cornea - Ans:✔✔-refracts light and bends it so that it will focus on the inner retina
choroid - Ans:✔✔-dark pigmentation to prevent light from reflecting internally and is heavily
vascularized to deliver blood to retina
iris - Ans:✔✔-muscle fibers of the iris contract and accommodate pupil
Page 1/9
, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED
FIRST PUBLISH OCTOBER 2024
pupil - Ans:✔✔-size reacts to amount of ambient light and to accommodation or focusing an object on
retina
lens - Ans:✔✔-biconvex disc located just posterior to pupil
retina - Ans:✔✔-where light waves change into nerve impulses
optic disc - Ans:✔✔-area in which fibers from retina converge to form optic nerve
retinal vessels - Ans:✔✔-include a paired artery and vein extending to each quadrant
macula - Ans:✔✔-receives and transduces light from center of visual field
image formed on retina is - Ans:✔✔-upside down and reversed
all retinal fibers collect to form - Ans:✔✔-optic nerve
pupillary light reflex - Ans:✔✔-constriction of pupils with bright light
fixation reflex of eye - Ans:✔✔-direction of the eye toward object attracting attention
accommodation reflex of eye - Ans:✔✔-adaptation of eye for near vision
what two components of accommodation can be observed - Ans:✔✔-convergence
pupillary constriction
Page 2/9
FIRST PUBLISH OCTOBER 2024
NUR 3121 Week 2: Eyes Exam Study
Guide Solutions
how many muscles attach to eye - Ans:✔✔-6
what are the 6 muscles that attach to the eye and which are straight/or slanted - Ans:✔✔-straight:
superior, inferior, lateral, medial rectus muscles
slanted: superior and inferior oblique muscles
what cranial nerves deal with the eyes - Ans:✔✔-VI, IV, III
sclera - Ans:✔✔-tough, protective, white covering
cornea - Ans:✔✔-refracts light and bends it so that it will focus on the inner retina
choroid - Ans:✔✔-dark pigmentation to prevent light from reflecting internally and is heavily
vascularized to deliver blood to retina
iris - Ans:✔✔-muscle fibers of the iris contract and accommodate pupil
Page 1/9
, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED
FIRST PUBLISH OCTOBER 2024
pupil - Ans:✔✔-size reacts to amount of ambient light and to accommodation or focusing an object on
retina
lens - Ans:✔✔-biconvex disc located just posterior to pupil
retina - Ans:✔✔-where light waves change into nerve impulses
optic disc - Ans:✔✔-area in which fibers from retina converge to form optic nerve
retinal vessels - Ans:✔✔-include a paired artery and vein extending to each quadrant
macula - Ans:✔✔-receives and transduces light from center of visual field
image formed on retina is - Ans:✔✔-upside down and reversed
all retinal fibers collect to form - Ans:✔✔-optic nerve
pupillary light reflex - Ans:✔✔-constriction of pupils with bright light
fixation reflex of eye - Ans:✔✔-direction of the eye toward object attracting attention
accommodation reflex of eye - Ans:✔✔-adaptation of eye for near vision
what two components of accommodation can be observed - Ans:✔✔-convergence
pupillary constriction
Page 2/9
