COA JCAHPO TEST ACTUAL TEST QUESTIONS
AND SOLVED ANSWERS
◉ Headaches caused by refractive error will not appear during?
Answer: 1. Not appear at night
2. Will not appear during sleep
3. Will not appear when you wake up
◉ Where is the aqueous humor located?
Answer: Between the lens and the cornea.
◉ How many rods are there?
Answer: 125 million
◉ Where are the rods located?
Answer: In the retina
◉ How many cones are there?
Answer: 6 million
◉ Where are the cones located?
,Answer: In the retina.
◉ Rods are best in what lighting condition?
Answer: dim light
◉ Without rods what condition will occur?
Answer: night-blindness
◉ Rods are good in what color light?
Answer: Red
◉ What type of drops are used to dilate the eyes?
Answer: Mydriatic drops
◉ What type of drops are used to dilate the eyes and paralyze the
fine focusing muscle for near vision?
Answer: Cycloplegic drops
◉ Measuring PD starts from where and ends where?
Answer: Nasal side of right pupil to the temporal side of the pupil on
the patients left eye.
,◉ What is Rhodopsin?
Answer: Rod pigment. (allows for visual purple)
◉ Rhodopsin forms in ______ and is destroyed by _____?
Answer: forms in dark, and is destroyed by light
◉ Rhodopsin is composed of what Vitamin?
Answer: Vitamin A (deficiency causes night blindness)
◉ What is Adie's Syndrome?
Answer: Tonic Pupil. (pupil responds to light stimulation very
slowly)
◉ How do you measure a patient's PD when they can only see from
one eye?
Answer: measure from center of the pupil of the good eye to the
center of the bridge of the nose
◉ How do you measure a patient's PD when they have unequal
pupils?
Answer: measure from nasal side of the limbus of patients right eye
to the temporal side of the limbus of the left eye.
, ◉ How do you measure a patient's PD when they have a squint?
Answer: Measure from the inner canthus of one eye to the outer
canthus of the opposite eye.
◉ What are the most important disorders to ask patients about?
Answer: Diabetes
High Blood Pressure (HTN)
Heart Health/ Cardiovascular Issues
Arthritis
◉ What are the main symptoms of diplopia?
Answer: Loss of alignment of eyes
(covering one eye will always eliminate the second image)
◉ What is the cause of light flashes?
Answer: Retinal detachment
◉ What is the cause of Ptosis?
Answer: 3rd Nerve palsy or Diabetes
◉ What is the cause of Diplopia?
AND SOLVED ANSWERS
◉ Headaches caused by refractive error will not appear during?
Answer: 1. Not appear at night
2. Will not appear during sleep
3. Will not appear when you wake up
◉ Where is the aqueous humor located?
Answer: Between the lens and the cornea.
◉ How many rods are there?
Answer: 125 million
◉ Where are the rods located?
Answer: In the retina
◉ How many cones are there?
Answer: 6 million
◉ Where are the cones located?
,Answer: In the retina.
◉ Rods are best in what lighting condition?
Answer: dim light
◉ Without rods what condition will occur?
Answer: night-blindness
◉ Rods are good in what color light?
Answer: Red
◉ What type of drops are used to dilate the eyes?
Answer: Mydriatic drops
◉ What type of drops are used to dilate the eyes and paralyze the
fine focusing muscle for near vision?
Answer: Cycloplegic drops
◉ Measuring PD starts from where and ends where?
Answer: Nasal side of right pupil to the temporal side of the pupil on
the patients left eye.
,◉ What is Rhodopsin?
Answer: Rod pigment. (allows for visual purple)
◉ Rhodopsin forms in ______ and is destroyed by _____?
Answer: forms in dark, and is destroyed by light
◉ Rhodopsin is composed of what Vitamin?
Answer: Vitamin A (deficiency causes night blindness)
◉ What is Adie's Syndrome?
Answer: Tonic Pupil. (pupil responds to light stimulation very
slowly)
◉ How do you measure a patient's PD when they can only see from
one eye?
Answer: measure from center of the pupil of the good eye to the
center of the bridge of the nose
◉ How do you measure a patient's PD when they have unequal
pupils?
Answer: measure from nasal side of the limbus of patients right eye
to the temporal side of the limbus of the left eye.
, ◉ How do you measure a patient's PD when they have a squint?
Answer: Measure from the inner canthus of one eye to the outer
canthus of the opposite eye.
◉ What are the most important disorders to ask patients about?
Answer: Diabetes
High Blood Pressure (HTN)
Heart Health/ Cardiovascular Issues
Arthritis
◉ What are the main symptoms of diplopia?
Answer: Loss of alignment of eyes
(covering one eye will always eliminate the second image)
◉ What is the cause of light flashes?
Answer: Retinal detachment
◉ What is the cause of Ptosis?
Answer: 3rd Nerve palsy or Diabetes
◉ What is the cause of Diplopia?
