RST 230 Final Exam Questions With
Correct Answers
What |is |the |difference |between |legally |blind |and |visually |impaired/partially |sighted |people? |- |
CORRECT |ANSWER✔✔-If |visual |aids |such |as |glasses |bring |someone's |vision |to |20/20, |they |are |
not |considered |legally |blind.
Levels |of |visual |impairment: |acuity |and |visual |field |- |CORRECT |ANSWER✔✔-Acuity |is |the |
amount |of |detail |that |an |individual |sees. |The |visual |field |is |the |entire |area |that |can |be |viewed |
at |one |time |with |a |fixed |eye.
Ocular |dominance; |The |Miles |Test |- |CORRECT |ANSWER✔✔-The |tendency |to |prefer |visual |input
|from |one |eye |versus |another.
Tunnel |vision |and |peripheral |vision |- |CORRECT |ANSWER✔✔-Tunnel |vision |is |only |seeing |
straight |ahead, |while |peripheral |vision |is |only |seeing |the |sides.
What |are |the |symptoms |and |causes |of |major |types |of |visual |impairments: |cataracts, |
glaucoma, |and |diabetic |retinopathy? |- |CORRECT |ANSWER✔✔-Cataracts: |Lens |become |milky |or
|cloudy, |blurred |vision, |distorts |light |being |focused |on |the |retina. |Caused |by |age, |injury |to |
tissue |that |makes |up |eye |lens, |too |much |exposure |to |ultraviolet |light. |
Glaucoma: |Increased |pressure |in |eyeball |due |to |liquid |build |up, |damage |to |optic |nerve. |Risk |
factors |include |being |over |the |age |of |sixty |& |being |African |American, |asian, |or |hispanic. |
Diabetic |Retinopathy: |Changes |in |blood |vessels |in |the |retina |causes |hemorrhaging |- |blurriness,
|dark |vision, |difficulty |perceiving |colors.
What |are |the |major |causes |of |visual |impairments |(in |general)? |- |CORRECT |ANSWER✔✔-Aging,
|congenital, |disease, |accidents
, Sighted |guide |technique |- |CORRECT |ANSWER✔✔-Is |the |blind |or |low |vision |person |holds |the |
guide's |arm |lightly |above |the |elbow |and |allows |the |guide |to |walk |one-half |step |ahead. |This |
allows |him |or |her |to |feel |and |follow |the |guide's |direction.
What |is |the |difference |between |hearing |impairment, |deafness, |and |being |hard-of-hearing? |- |
CORRECT |ANSWER✔✔-Hearing |impairment |is |a |general |term, |hard |of |hearing |is |mild |to |
moderate |hearing |loss, |and |deafness |is |being |unable |to |understand |speech |through |the |ear |
alone.
Prelingual |and |postlingual |hearing |loss |- |CORRECT |ANSWER✔✔-Pre-lingual |his |hearing |loss |
before |someone |learned |how |to |talk, |and |post-lingual |is |hearing |loss |after |someone |learned |
how |to |talk.
Rh |incompatibility |- |CORRECT |ANSWER✔✔-A |complication |of |pregnancy |in |which |a |mother |
who |is |Rh |negative |carries |an |Rh-positive |fetus; |under |certain |conditions, |antibodies |in |the |
mother's |blood |can |attack |the |fetus's |red |blood |cells.
What |are |the |causes |of |conductive, |sensorineural, |and |central |hearing |loss? |- |CORRECT |
ANSWER✔✔-Conductive: |outer |or |middle |ear, |something |stuck |in |the |ear |canal/puncture |to |
to |the |eardrum. |
Central |hearing |loss |- |inner |portions |of |the |brain, |lesion |in |the |central |auditory |pathway |or |in |
the |auditory |cortex. |
Sensorineural |- |caused |by |damage |to |inner |ear, |can |be |from |aging |and |prolonged |exposure |to |
loud |noise.
Communication |with |people |with |hearing |impairments |- |CORRECT |ANSWER✔✔-Get |their |
attention, |speak |clearly |and |distinctly |at |a |normal |rate |and |volume, |be |expressive, |prevent |
distractions, |position |yourself
Correct Answers
What |is |the |difference |between |legally |blind |and |visually |impaired/partially |sighted |people? |- |
CORRECT |ANSWER✔✔-If |visual |aids |such |as |glasses |bring |someone's |vision |to |20/20, |they |are |
not |considered |legally |blind.
Levels |of |visual |impairment: |acuity |and |visual |field |- |CORRECT |ANSWER✔✔-Acuity |is |the |
amount |of |detail |that |an |individual |sees. |The |visual |field |is |the |entire |area |that |can |be |viewed |
at |one |time |with |a |fixed |eye.
Ocular |dominance; |The |Miles |Test |- |CORRECT |ANSWER✔✔-The |tendency |to |prefer |visual |input
|from |one |eye |versus |another.
Tunnel |vision |and |peripheral |vision |- |CORRECT |ANSWER✔✔-Tunnel |vision |is |only |seeing |
straight |ahead, |while |peripheral |vision |is |only |seeing |the |sides.
What |are |the |symptoms |and |causes |of |major |types |of |visual |impairments: |cataracts, |
glaucoma, |and |diabetic |retinopathy? |- |CORRECT |ANSWER✔✔-Cataracts: |Lens |become |milky |or
|cloudy, |blurred |vision, |distorts |light |being |focused |on |the |retina. |Caused |by |age, |injury |to |
tissue |that |makes |up |eye |lens, |too |much |exposure |to |ultraviolet |light. |
Glaucoma: |Increased |pressure |in |eyeball |due |to |liquid |build |up, |damage |to |optic |nerve. |Risk |
factors |include |being |over |the |age |of |sixty |& |being |African |American, |asian, |or |hispanic. |
Diabetic |Retinopathy: |Changes |in |blood |vessels |in |the |retina |causes |hemorrhaging |- |blurriness,
|dark |vision, |difficulty |perceiving |colors.
What |are |the |major |causes |of |visual |impairments |(in |general)? |- |CORRECT |ANSWER✔✔-Aging,
|congenital, |disease, |accidents
, Sighted |guide |technique |- |CORRECT |ANSWER✔✔-Is |the |blind |or |low |vision |person |holds |the |
guide's |arm |lightly |above |the |elbow |and |allows |the |guide |to |walk |one-half |step |ahead. |This |
allows |him |or |her |to |feel |and |follow |the |guide's |direction.
What |is |the |difference |between |hearing |impairment, |deafness, |and |being |hard-of-hearing? |- |
CORRECT |ANSWER✔✔-Hearing |impairment |is |a |general |term, |hard |of |hearing |is |mild |to |
moderate |hearing |loss, |and |deafness |is |being |unable |to |understand |speech |through |the |ear |
alone.
Prelingual |and |postlingual |hearing |loss |- |CORRECT |ANSWER✔✔-Pre-lingual |his |hearing |loss |
before |someone |learned |how |to |talk, |and |post-lingual |is |hearing |loss |after |someone |learned |
how |to |talk.
Rh |incompatibility |- |CORRECT |ANSWER✔✔-A |complication |of |pregnancy |in |which |a |mother |
who |is |Rh |negative |carries |an |Rh-positive |fetus; |under |certain |conditions, |antibodies |in |the |
mother's |blood |can |attack |the |fetus's |red |blood |cells.
What |are |the |causes |of |conductive, |sensorineural, |and |central |hearing |loss? |- |CORRECT |
ANSWER✔✔-Conductive: |outer |or |middle |ear, |something |stuck |in |the |ear |canal/puncture |to |
to |the |eardrum. |
Central |hearing |loss |- |inner |portions |of |the |brain, |lesion |in |the |central |auditory |pathway |or |in |
the |auditory |cortex. |
Sensorineural |- |caused |by |damage |to |inner |ear, |can |be |from |aging |and |prolonged |exposure |to |
loud |noise.
Communication |with |people |with |hearing |impairments |- |CORRECT |ANSWER✔✔-Get |their |
attention, |speak |clearly |and |distinctly |at |a |normal |rate |and |volume, |be |expressive, |prevent |
distractions, |position |yourself
