N190 Quiz 2 Study Guide questions with
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verified answers !Z
Emmetropia - correct answer✔✔Normal refractive condition of the eye
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(good vision) !Z
Myopia (nearsightedness) - correct answer✔✔Light rays focus in front of
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the retina- can see near
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Hyperopia (farsightedness) - correct answer✔✔Light rays focus behind
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the retina- can see far
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Astigmatism - correct answer✔✔Eye crossing !Z !Z !Z !Z !Z
- Do not have binocular vision
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- Depth perception is poor
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- Can recognize when performing accommodation
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Muscles of the eye - correct answer✔✔Extrinsic (extra ocular) muscles
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- Inferior rectus
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- Inferior oblique
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- Superior oblique
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Cranial nerves - correct answer✔✔- Cranial nerve II: PERRLA, pupil
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contracts !Z
- Cranial nerve III, IV: III moves the eye internally, IV moves the eye
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down
- Cranial nerve VI: moves the eye laterally
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, Cranial nerve VII: anterior part of the tongue (sensory), motor
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(damaged if someone has bells palsy), to test have them smile and
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frown
- VIII: 2 branches, hearing and balance
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IX: sensory (posterior part of the tongue), motor (swallowing)
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X: uvula (having the person say "aaaahhh", they have gag reflex, the
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uvula should rise when the person says aaah)
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XII: tongue movement
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XI: neck muscles (have the patient shrug their shoulders- put resistance
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on shoulders
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The older adult and Eye - correct answer✔✔- Xanthelasma: fatty tissue
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in the eye
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- Pingueculae: yellow raised patch in the eye
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- Presbyopia: normal change that happens with tie as a person ages,
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usually in late 40's, lens becomes stiffer and is not as flexible or
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resilient (Take longer to accolade to light)
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- Arcus senilis
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- Cataracts
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- Macular degeneration
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Cataracts - correct answer✔✔- Lens becomes cloudy!Z !Z !Z !Z !Z !Z
- Vision will be blurry, won't be able to see colors
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- Can occur in one or both lenses
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- Easy to treat, take lens out and put in new lens, patient is awake
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Macular degeneration - correct answer✔✔- Can be natural due to age,
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or can be due to high blood pressure to trauma
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- Bleeding behind retina and pressure, causing the retina to detach
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verified answers !Z
Emmetropia - correct answer✔✔Normal refractive condition of the eye
!Z !Z !Z !Z !Z !Z !Z !Z !Z
(good vision) !Z
Myopia (nearsightedness) - correct answer✔✔Light rays focus in front of
!Z !Z !Z !Z !Z !Z !Z !Z !Z !
the retina- can see near
Z !Z !Z !Z !Z
Hyperopia (farsightedness) - correct answer✔✔Light rays focus behind
!Z !Z !Z !Z !Z !Z !Z !Z
the retina- can see far
!Z !Z !Z !Z
Astigmatism - correct answer✔✔Eye crossing !Z !Z !Z !Z !Z
- Do not have binocular vision
!Z !Z !Z !Z !Z
- Depth perception is poor
!Z !Z !Z !Z
- Can recognize when performing accommodation
!Z !Z !Z !Z !Z
Muscles of the eye - correct answer✔✔Extrinsic (extra ocular) muscles
!Z !Z !Z !Z !Z !Z !Z !Z !Z
- Inferior rectus
!Z !Z
- Inferior oblique
!Z !Z
- Superior oblique
!Z !Z
Cranial nerves - correct answer✔✔- Cranial nerve II: PERRLA, pupil
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
contracts !Z
- Cranial nerve III, IV: III moves the eye internally, IV moves the eye
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
down
- Cranial nerve VI: moves the eye laterally
!Z !Z !Z !Z !Z !Z !Z
, Cranial nerve VII: anterior part of the tongue (sensory), motor
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
(damaged if someone has bells palsy), to test have them smile and
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
frown
- VIII: 2 branches, hearing and balance
!Z !Z !Z !Z !Z !Z
IX: sensory (posterior part of the tongue), motor (swallowing)
!Z !Z !Z !Z !Z !Z !Z !Z
X: uvula (having the person say "aaaahhh", they have gag reflex, the
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
uvula should rise when the person says aaah)
!Z !Z !Z !Z !Z !Z !Z
XII: tongue movement
!Z !Z !Z
XI: neck muscles (have the patient shrug their shoulders- put resistance
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !
on shoulders
Z !Z
The older adult and Eye - correct answer✔✔- Xanthelasma: fatty tissue
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
in the eye
!Z !Z
- Pingueculae: yellow raised patch in the eye
!Z !Z !Z !Z !Z !Z !Z
- Presbyopia: normal change that happens with tie as a person ages,
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
usually in late 40's, lens becomes stiffer and is not as flexible or
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
resilient (Take longer to accolade to light)
!Z !Z !Z !Z !Z !Z
- Arcus senilis
!Z !Z
- Cataracts
!Z
- Macular degeneration
!Z !Z
Cataracts - correct answer✔✔- Lens becomes cloudy!Z !Z !Z !Z !Z !Z
- Vision will be blurry, won't be able to see colors
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
- Can occur in one or both lenses
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- Easy to treat, take lens out and put in new lens, patient is awake
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
Macular degeneration - correct answer✔✔- Can be natural due to age,
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
or can be due to high blood pressure to trauma
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- Bleeding behind retina and pressure, causing the retina to detach
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