COA JCAHPO Test Questions with 100%Correct Answers 2024.
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Course
COA JCAHPO.
Institution
COA JCAHPO.
COA JCAHPO Test Questions with 100%Correct Answers 2024.
Disorders associated with headaches? - Answer Hypertension or Brain Tumor
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
W...
COA JCAHPO Test Questions with
100%Correct Answers 2024.
Disorders associated with headaches? - Answer Hypertension or Brain Tumor
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? - Answer Thyroid Disorder
Diabetes
3rd Nerve Palsy
Myathenia Gravis
What is the cause of sudden loss of vision? - Answer Macular degeneration
Retinal Detachment
Retinal Vein or Artery Occlusion
Retrobulbar Neuritis
What is the cause of Foreign Body Sensation (FBS)? - Answer Corneal Abrasion
Herpes Simplex
What is the cause of blurred distance vision in adults? - Answer Diabetes
Cataracts
Macular Edema
What is the cause of Halos around lights? - Answer Angle Closure Glaucoma
Cataracts
What is the cause of spots before the eye? - Answer Retinal Tear
Vitreous Detachment
What are the most important items to ask patients during work up? - Answer 1.
Present and Past Health History
2. Medication (current and exact name/ purpose)
3. Allergies (drug, inhalants, contactants, food, injections, ingestants)
, What symptoms are associated with Acute conjunctivitis? - Answer Discharge
Pain
Blurred Vision
What organism is the cause of Acute Conjunctivitis? - Answer Staph Aureus
What are some important familial history of common ocular defects? - Answer
Myopia
Strabismus
Glaucoma
What are the 6 steps to taking history? - Answer 1. Chief Complaint
2. Secondary Problems of the eye
3. Systemic or general illness (current)
4. Past ocular disorders
5. Wear contacts or glasses?
6. Therapies, response to therapies
What are the three main layers of tears? - Answer Oily Layer (outer)
Aqueous Layer (middle)
Mucin Layer ( inner)
What is the flow path of the aqueous humor? (PPATSA) - Answer (PPATSA)
Posterior Chamber---Pupil---Anterior Chamber---Trabecular Meshwork---Schlemm's
Canal---Aqueous Vein
Lens of the eye? - Answer A biconvex structure that light passes through.
Vitreous Body? - Answer Fluid filled space located behind the lens, occupies 2/3rds
of the volume of the eye.
Name the drops used that do not have cycloplegic effects.
(CHEEP) - Answer cocaine (anesthetic)
hydroxaphetamine
eucatropine hydrochloride
epinepherine (adrenalin)
phenylephrine (not used anymore, bad for heart)
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