JCAHPO COT Exam-Study Guide
Questions And Full Set Correct Answers|
2026 Update
All of the following are important to document in the history of an ocular
injury, EXCEPT:
A. How the injury occurred
B. Presence of others when the injury occurred
C. Time injury occurred
D. Treatment received since injury occurred - Ans--B. Presence of others
when injury occurred
Globe rupture following blunt injury should always be suspected when:
A. Chemosis, hemorrhages, and low intraocular pressure are present
B. Diplopia is a major symptom
C. Lid ecchymosis is the major finding
D. Proptosis is present - Ans--A. Chemosis, hemorrhages, and low
intraocular pressure are present
Sudden loss of vision in one eye MOST likely indicates:
A. Amblyopia
B. Cataract
C. Central retinal artery occlusion
D. Retinitis pigmentosa - Ans--C. Central retinal artery occlusion
Which one of the following ocular conditions will least likely present a
positive family history?
A. Keratoconus
B. Nystagmus
C. Conjunctivitis
D. Retinitis pigmentosa - Ans--C. Conjunctivitis
Taking the history of a patient with diabetes mellitus should include which of
the following questions?
,A. Do you exercise daily
B. Do you have frequent episodes of "pink-eye"?
C. Do you have allergies?
D. Have you ever experienced double vision? - Ans--D. Have you ever
experienced double vision?
When evaluating a patient for cataract surgery, which of the following
systemic illnesses is LEAST important?
A. Cardiac problems
B. Diabetes
C. Hypertension
D. Urinary incontinance - Ans--D. Urinary incontinance
Penicillin is used primarily for which one of the following conditions?
A. Epidemic keratoconjunctivitis
B. Gonococcal conjunctivitis
C. Herpes simplex conjunctivitis
D. Ocular histoplasmosis - Ans--B. Gonococcal conjunctivitis
The physician prescribes Diamox for a patient recently diagnosed to have
glaucoma. It is important to check the patient's history for:
A. Allergy to penicillin
B. Allergy to sulfas
C. Family history of glaucoma
D. Hypertension - Ans--B. Allergy to sulfas
Which age group represents the smallest proportion of those becoming
partially sighted?
A. Children
B. Young adults
C. Middle-aged
D. Elderly - Ans--B. Young adults
In the case of a one year old child with an infantile left estropia and deep left
amblyopia, the following notation would BEST denote their visual acuity:
A. CSM
B. CSUM
C. CUSM
, D. UCSUM - Ans--D. UCSUM
The MOST common form of color vision defect is:
A. Absence of blue color recognition
B. Complete color blind
C. Deficient red-green color recognition
D. Deficient yellow-blue color recognition - Ans--C. Deficient red-green
color recognition
A patient who has a TOTAL deficiency of the red visual pigment is classified
as:
A. Deuteranomalia
B. Deuteranopia
C. Protanomalia
D. Protanopia - Ans--D. Protanopia
A plus or minus 0.50 cross cylinder with the white plus dot placed at an axis
90 degrees would have a reading on a lensometer of:
A. Pl +0.50 x 090
B. Pl -0.50 x 180
C. -0.50 +1.00 x 090
D. -0.50 -1.00 x 090 - Ans--C. -0.50 +1.00 x 090
An individual with a refractive error of +2.50 -2.50 x 180 could be classified
as having:
A. Compound hyperopic astigmatism
B. Compound myopis astigmatism
C. Simple myopic astigmatism
D. Simple hyperopic astigmatism - Ans--D. Simple hyperopic astigmatism
Most ophthalmic ultrasound equipment utilizes what range of frequency?
A. 4-6 MHz
B. 8-10 MHz
C. 12-14 MHz
D. 16-18 MHz - Ans--B. 8-10 MHz
Which of these exophthalmometry protusion measurements is most
abnormal, in terms of protosis?
Questions And Full Set Correct Answers|
2026 Update
All of the following are important to document in the history of an ocular
injury, EXCEPT:
A. How the injury occurred
B. Presence of others when the injury occurred
C. Time injury occurred
D. Treatment received since injury occurred - Ans--B. Presence of others
when injury occurred
Globe rupture following blunt injury should always be suspected when:
A. Chemosis, hemorrhages, and low intraocular pressure are present
B. Diplopia is a major symptom
C. Lid ecchymosis is the major finding
D. Proptosis is present - Ans--A. Chemosis, hemorrhages, and low
intraocular pressure are present
Sudden loss of vision in one eye MOST likely indicates:
A. Amblyopia
B. Cataract
C. Central retinal artery occlusion
D. Retinitis pigmentosa - Ans--C. Central retinal artery occlusion
Which one of the following ocular conditions will least likely present a
positive family history?
A. Keratoconus
B. Nystagmus
C. Conjunctivitis
D. Retinitis pigmentosa - Ans--C. Conjunctivitis
Taking the history of a patient with diabetes mellitus should include which of
the following questions?
,A. Do you exercise daily
B. Do you have frequent episodes of "pink-eye"?
C. Do you have allergies?
D. Have you ever experienced double vision? - Ans--D. Have you ever
experienced double vision?
When evaluating a patient for cataract surgery, which of the following
systemic illnesses is LEAST important?
A. Cardiac problems
B. Diabetes
C. Hypertension
D. Urinary incontinance - Ans--D. Urinary incontinance
Penicillin is used primarily for which one of the following conditions?
A. Epidemic keratoconjunctivitis
B. Gonococcal conjunctivitis
C. Herpes simplex conjunctivitis
D. Ocular histoplasmosis - Ans--B. Gonococcal conjunctivitis
The physician prescribes Diamox for a patient recently diagnosed to have
glaucoma. It is important to check the patient's history for:
A. Allergy to penicillin
B. Allergy to sulfas
C. Family history of glaucoma
D. Hypertension - Ans--B. Allergy to sulfas
Which age group represents the smallest proportion of those becoming
partially sighted?
A. Children
B. Young adults
C. Middle-aged
D. Elderly - Ans--B. Young adults
In the case of a one year old child with an infantile left estropia and deep left
amblyopia, the following notation would BEST denote their visual acuity:
A. CSM
B. CSUM
C. CUSM
, D. UCSUM - Ans--D. UCSUM
The MOST common form of color vision defect is:
A. Absence of blue color recognition
B. Complete color blind
C. Deficient red-green color recognition
D. Deficient yellow-blue color recognition - Ans--C. Deficient red-green
color recognition
A patient who has a TOTAL deficiency of the red visual pigment is classified
as:
A. Deuteranomalia
B. Deuteranopia
C. Protanomalia
D. Protanopia - Ans--D. Protanopia
A plus or minus 0.50 cross cylinder with the white plus dot placed at an axis
90 degrees would have a reading on a lensometer of:
A. Pl +0.50 x 090
B. Pl -0.50 x 180
C. -0.50 +1.00 x 090
D. -0.50 -1.00 x 090 - Ans--C. -0.50 +1.00 x 090
An individual with a refractive error of +2.50 -2.50 x 180 could be classified
as having:
A. Compound hyperopic astigmatism
B. Compound myopis astigmatism
C. Simple myopic astigmatism
D. Simple hyperopic astigmatism - Ans--D. Simple hyperopic astigmatism
Most ophthalmic ultrasound equipment utilizes what range of frequency?
A. 4-6 MHz
B. 8-10 MHz
C. 12-14 MHz
D. 16-18 MHz - Ans--B. 8-10 MHz
Which of these exophthalmometry protusion measurements is most
abnormal, in terms of protosis?
