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JCAHPO STUDY SET, COA STUDY GUIDE CARD UPDATED REAL EXAM UPDATE 2023
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JCAHPO STUDY SET, COA STUDY GUIDE CARD UPDATED REAL EXAM UPDATE 2023 What common medium is used to culture microorganisms? a. plasma b. water c. agar d. stain C A disadvantage of chemical-based rigid contact lens care systems is a. Irritation b. Simplicity of use c. Poor disinfection d...

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  • September 30, 2023
  • 95
  • 2023/2024
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JCAHPO STUDY SET, COA STUDY GUIDE CARD
UPDATED REAL EXAM UPDATE 2023
What common medium is used to culture microorganisms?
a. plasma
b. water
c. agar
d. stain
C
A disadvantage of chemical-based rigid contact lens care systems is
a. Irritation
b. Simplicity of use
c. Poor disinfection
d. Low replacement rate
A



What is the term for drooping upper eyelids?
a. Pterygium
b. Ptosis
c. Epicanthus
d. Ectropion
B
A fibrovascular growth of the actually damaged conjunctiva that invades a
portion of the cornea from the limbus is a
a. Hyphema
b. Pinguecula
c. Pterygium
d. Ptosis
C
A fluorescein angiogram is used for which of the following?
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
C
A granulated inflammation of the eyelid that may be removed surgically if it does
not subside is a:
a. Xanthelasma
b. Pterygium
c. Stye
d. Chalazion
D

,A hemorrhage that partially fills the anterior chamber with blood is called
a. Hydrops
b. Hypopyon
c. Hyphema
d. Hypophoria
C
A lens consisting of two cylinders of equal but opposite powers is the
a. double cylinder.
b. spherocylinder.
c. cross cylinder.
d. axis cylinder.
C
A lens with a focal length of 2 meters has a power of
a. 0.5 D
b. 1 D
c. 2 D
d. 5 D
A
A patient who has had an intraocular lens implantation is referred to as
a. Aphakic
b. Pseudophakic
c. Phakic
d. Lenticular
B

a.
A patient's prescription is -2.50 +1.00 X 175. What is the minus cylinder
transposition?
a. -2.50 -1.00 X 175
b. -2.50 -1.00 X 85
c. -1.50 - 1.00 X 175
d. -1.50 -1.00 X 85
D
A slit lamp is used to examine the
a. extraocular muscles.
b. anterior chamber.
c. optic tract.
d. optic foramen.
B
What is the term for the tonometry technique that displaces a minimal amount of
fluid?
a. Indentation
b. Applanation
c. Elevation
d. Fixation
B

,According to OSHA regulations, what is the BEST way to comply with universal
precautions?
a. Put on a gown
b. Put on gloves
c. Use mask
d. Wash your hands
D
Advances in digital imaging technology facilitated the practical use of what type
of dye?
a. Trypan blue
b. Rose Bengal
c. Indocyanine green
d. Gentian violet
C
After introduction to the patient, one of the first items that should be obtained as
part of history taking is the
a. medications and dosages that the patient is currently taking.
b. chief complaint or reason for the patient's visit.
c. patient's allergy history.
d. patient's family medical history.
B
What is the term for an area of complete or partial blindness in an otherwise
normal visual field?
a. Scotoma
b. Synechiae
c. Stye
d. Stroma
A


What is an important difference between soft and rigid lenses?
a. Comfortability
b. Closely fit to the shape of the cornea
c. Durability
d. Less susceptible to spectacle blur
A



Axial length is provided by which measurement?
a. Precorneal tear film to the posterior vitreous face
b. Anterior corneal surface to the macula
c. Anterior corneal surface to the optic disc
d. Anterior pole to the posterior pole
B

, What is the MOST commonly used technique to perform a B-scan?
a. Slit lamp
b. Handheld probe
c. Computed Tomography (CT) (OCT)
d. Magnetic Resonance Imaging (MRI)
B


How are axial length measurements obtained?
a. High-frequency sound waves through specific ocular tissue.
b. Short light waves through specific ocular tissue.
c. High-resolution cross-sectional imaging of internal structures of the eye
d. Electrodes that measure electrical potential between the cornea and retina.
A
Before sterilization, minor surgical instruments should be
a. soaked in instrument milk.
b. bleached.
c. dusted.
d. cleaned with soapy water.
D



What is the term for the 'bending of light'?
a. Dispersion
b. Refraction
c. Emergence
d. Incidence
B
Refraction: the bending of light. . Refraction the bending of light. The bending of light
as it passes from one medium to another is called refraction. The angle and wavelength
at which the light enters a substance and the density of that substance determine how
much the light is refracted.
Dispersion - the action or process of distributing things or people over a wide area
Emergence- the process of coming into view or becoming exposed after being
concealed.
Incidence- the occurrence, rate, or frequency of a disease, crime, or something else
undesirable.
Checking the calibration of the applanation tonometer is done by
a. only a qualified service technician.
b. using a measured weight attached to the tonometer balancing arm at 0, 2, and
6.
c. using a measured weight attached to the tonometer balancing arm at 0, 3, and
5.
d. . having a second technician verify the IOP measurements on several patients
to confirm tonometry accuracy.

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