Certified Ophthalmic Assistant (COA) Exam Prep – Comprehensive Study Guide and Practice
Questions Review
To photograph the posterior pole, the center of focus is
Select one:
a. the macula.
b. the optic disc.
c. between the macula and the optic disc.
d. between the optic disc and the nasal arcades. - ANS ✔✔c. between the macula and the optic
disc.
What is first seen (recorded) in fluorescein angiography?
Select one:
a. Arterial phase
b. Capillary phase
c. Choroidal flush
d. Venous phase - ANS ✔✔c. Choroidal flush
A fluorescein angiogram is used for which of the following?
Select one:
a. Counting epithelial cells
b. Measuring the eye's contrast sensitivity
c. Viewing detail, such as blockages in fundus blood vessels
d. Estimating the cornea's ability to withstand stress of an operation - ANS ✔✔c. Viewing detail,
such as blockages in fundus blood vessels
The three principle types of ophthalmic imaging are
,Select one:
a. specular, pachymetry, and contrast sensitivity.
b. external, slit lamp, and fundus.
c. slit lamp, pachymetry, and ultrasonography.
d. contrast sensitivity, viewing blockages, and viewing vessels. - ANS ✔✔b. external, slit lamp,
and fundus.
Retroillumination detects
Select one:
a. opacities or defects in the iris.
b. irregularities of the eyelids or eyelashes.
c. the palperal conjunctiva or sclera.
d. adverse corneal effects from CLS. - ANS ✔✔a. opacities or defects in the iris.
Health care professionals who have open lesions, dermatitis, or other skin irritations should not
participate in direct patient care activities or handle
Select one:
a. contaminated equipment.
b. gowns and masks.
c. sealed instruments.
d. disposable gloves. - ANS ✔✔a. contaminated equipment.
Why should laminated acuity projector slides NOT be cleaned under running water?
Select one:
a. Retained moisture might short out the projector.
b. The letters, numerals, and/or characters will be washed off the slide.
c. The specially heated glass of the projector slide will lose its heat-resistant properties.
, d. Water beads can pool between the two layers of glass. - ANS ✔✔d. Water beads can pool
between the two layers of glass.
The application of coding facilitates the processing of insurance claims. The assigned code, as it
refers to procedures and services, must be supported by
Select one:
a. all billing practices.
b. the medical records.
c. the policies and procedures manual.
d. the length of time the appointment took. - ANS ✔✔b. the medical records.
Obtaining informed consent for a procedure
Select one:
a. is having the patient sign the consent form.
b. begins at the preoperative visit.
c. is not needed if the procedure is medically necessary.
d. is a process involving education of the patient. - ANS ✔✔d. is a process involving education of
the patient.
What are the principles that dictate appropriate or inappropriate behaviors?
Select one:
a. Ethics
b. Decency
c. Morality
d. Standards - ANS ✔✔a. Ethics
Informed consent occurs
Questions Review
To photograph the posterior pole, the center of focus is
Select one:
a. the macula.
b. the optic disc.
c. between the macula and the optic disc.
d. between the optic disc and the nasal arcades. - ANS ✔✔c. between the macula and the optic
disc.
What is first seen (recorded) in fluorescein angiography?
Select one:
a. Arterial phase
b. Capillary phase
c. Choroidal flush
d. Venous phase - ANS ✔✔c. Choroidal flush
A fluorescein angiogram is used for which of the following?
Select one:
a. Counting epithelial cells
b. Measuring the eye's contrast sensitivity
c. Viewing detail, such as blockages in fundus blood vessels
d. Estimating the cornea's ability to withstand stress of an operation - ANS ✔✔c. Viewing detail,
such as blockages in fundus blood vessels
The three principle types of ophthalmic imaging are
,Select one:
a. specular, pachymetry, and contrast sensitivity.
b. external, slit lamp, and fundus.
c. slit lamp, pachymetry, and ultrasonography.
d. contrast sensitivity, viewing blockages, and viewing vessels. - ANS ✔✔b. external, slit lamp,
and fundus.
Retroillumination detects
Select one:
a. opacities or defects in the iris.
b. irregularities of the eyelids or eyelashes.
c. the palperal conjunctiva or sclera.
d. adverse corneal effects from CLS. - ANS ✔✔a. opacities or defects in the iris.
Health care professionals who have open lesions, dermatitis, or other skin irritations should not
participate in direct patient care activities or handle
Select one:
a. contaminated equipment.
b. gowns and masks.
c. sealed instruments.
d. disposable gloves. - ANS ✔✔a. contaminated equipment.
Why should laminated acuity projector slides NOT be cleaned under running water?
Select one:
a. Retained moisture might short out the projector.
b. The letters, numerals, and/or characters will be washed off the slide.
c. The specially heated glass of the projector slide will lose its heat-resistant properties.
, d. Water beads can pool between the two layers of glass. - ANS ✔✔d. Water beads can pool
between the two layers of glass.
The application of coding facilitates the processing of insurance claims. The assigned code, as it
refers to procedures and services, must be supported by
Select one:
a. all billing practices.
b. the medical records.
c. the policies and procedures manual.
d. the length of time the appointment took. - ANS ✔✔b. the medical records.
Obtaining informed consent for a procedure
Select one:
a. is having the patient sign the consent form.
b. begins at the preoperative visit.
c. is not needed if the procedure is medically necessary.
d. is a process involving education of the patient. - ANS ✔✔d. is a process involving education of
the patient.
What are the principles that dictate appropriate or inappropriate behaviors?
Select one:
a. Ethics
b. Decency
c. Morality
d. Standards - ANS ✔✔a. Ethics
Informed consent occurs
