COA JCAHPO Exam with complete
solutions latest version
Disorders associated with headaches? - CORRECT ANSWER-Hypertension or Brain
Tumor
Disorders associated with headaches? - CORRECT ANSWER-Hypertension or Brain
Tumor
Headaches caused by refractive error will not appear during? - CORRECT ANSWER-1.
Not appear at night
2. Will not appear during sleep
3. Will not appear when you wake up
Headaches caused by refractive error will not appear during? - CORRECT 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? - CORRECT ANSWER-Between the lens and
the cornea.
Where is the aqueous humor located? - CORRECT ANSWER-Between the lens and
the cornea.
How many rods are there? - CORRECT ANSWER-125 million
How many rods are there? - CORRECT ANSWER-125 million
Where are the rods located? - CORRECT ANSWER-In the retina
Where are the rods located? - CORRECT ANSWER-In the retina
How many cones are there? - CORRECT ANSWER-6 million
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How many cones are there? - CORRECT ANSWER-6 million
Where are the cones located? - CORRECT ANSWER-In the retina.
Where are the cones located? - CORRECT ANSWER-In the retina.
Rods are best in what lighting condition? - CORRECT ANSWER-dim light
Rods are best in what lighting condition? - CORRECT ANSWER-dim light
Without rods what condition will occur? - CORRECT ANSWER-night-blindness
Without rods what condition will occur? - CORRECT ANSWER-night-blindness
Rods are good in what color light? - CORRECT ANSWER-Red
Rods are good in what color light? - CORRECT ANSWER-Red
What type of drops are used to dilate the eyes? - CORRECT ANSWER-Mydriatic drops
What type of drops are used to dilate the eyes? - CORRECT ANSWER-Mydriatic drops
What type of drops are used to dilate the eyes and paralyze the fine focusing muscle for
near vision? - CORRECT ANSWER-Cycloplegic drops
What type of drops are used to dilate the eyes and paralyze the fine focusing muscle for
near vision? - CORRECT ANSWER-Cycloplegic drops
Measuring PD starts from where and ends where? - CORRECT ANSWER-Nasal side of
right pupil to the temporal side of the pupil on the patients left eye.
Measuring PD starts from where and ends where? - CORRECT ANSWER-Nasal side of
right pupil to the temporal side of the pupil on the patients left eye.
What is Rhodopsin? - CORRECT ANSWER-Rod pigment. (allows for visual purple)
What is Rhodopsin? - CORRECT ANSWER-Rod pigment. (allows for visual purple)
Rhodopsin forms in ______ and is destroyed by _____? - CORRECT ANSWER-forms
in dark, and is destroyed by light
Rhodopsin forms in ______ and is destroyed by _____? - CORRECT ANSWER-forms
in dark, and is destroyed by light
Rhodopsin is composed of what Vitamin? - CORRECT ANSWER-Vitamin A (deficiency
causes night blindness)
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Rhodopsin is composed of what Vitamin? - CORRECT ANSWER-Vitamin A (deficiency
causes night blindness)
What is Adie's Syndrome? - CORRECT ANSWER-Tonic Pupil. (pupil responds to light
stimulation very slowly)
What is Adie's Syndrome? - CORRECT 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? -
CORRECT 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 can only see from one eye? -
CORRECT 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? - CORRECT
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 unequal pupils? - CORRECT
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? - CORRECT ANSWER-
Measure from the inner canthus of one eye to the outer canthus of the opposite eye.
How do you measure a patient's PD when they have a squint? - CORRECT 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? - CORRECT ANSWER-
Diabetes
High Blood Pressure (HTN)
Heart Health/ Cardiovascular Issues
Arthritis
What are the most important disorders to ask patients about? - CORRECT ANSWER-
Diabetes
High Blood Pressure (HTN)
Heart Health/ Cardiovascular Issues
Arthritis
What are the main symptoms of diplopia? - CORRECT ANSWER-Loss of alignment of
eyes
(covering one eye will always eliminate the second image)
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What are the main symptoms of diplopia? - CORRECT ANSWER-Loss of alignment of
eyes
(covering one eye will always eliminate the second image)
What is the cause of light flashes? - CORRECT ANSWER-Retinal detachment
What is the cause of light flashes? - CORRECT ANSWER-Retinal detachment
What is the cause of Ptosis? - CORRECT ANSWER-3rd Nerve palsy or Diabetes
What is the cause of Ptosis? - CORRECT ANSWER-3rd Nerve palsy or Diabetes
What is the cause of Diplopia? - CORRECT ANSWER-Thyroid Disorder
Diabetes
3rd Nerve Palsy
Myathenia Gravis
What is the cause of Diplopia? - CORRECT ANSWER-Thyroid Disorder
Diabetes
3rd Nerve Palsy
Myathenia Gravis
What is the cause of sudden loss of vision? - CORRECT ANSWER-Macular
degeneration
Retinal Detachment
Retinal Vein or Artery Occlusion
Retrobulbar Neuritis
What is the cause of sudden loss of vision? - CORRECT ANSWER-Macular
degeneration
Retinal Detachment
Retinal Vein or Artery Occlusion
Retrobulbar Neuritis
What is the cause of Foreign Body Sensation (FBS)? - CORRECT ANSWER-Corneal
Abrasion
Herpes Simplex
What is the cause of Foreign Body Sensation (FBS)? - CORRECT ANSWER-Corneal
Abrasion
Herpes Simplex
What is the cause of blurred distance vision in adults? - CORRECT ANSWER-Diabetes
Cataracts
Macular Edema
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