Certified Ophthalmic Assistant Final Exam And Correct Answers.
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Course
Certified Ophthalmic Assistant
Institution
Certified Ophthalmic Assistant
How are systemic medications administered? - Answer Orally, injection (subcutaneously or intramuscularly) or intravenously
How should drops be properly instilled into a patient's eye? - Answer Into the lower cul de sac (lower fornix)
What does the term idiosyncrasy refer to with ophthal...
Certified Ophthalmic Assistant Final Exam And Correct Answers.
How are systemic medications administered? - Answer Orally, injection (subcutaneously or intramuscularly) or intravenously
How should drops be properly instilled into a patient's eye? - Answer Into the lower cul de sac (lower fornix)
What does the term idiosyncrasy refer to with ophthalmic drugs? - Answer A bizarre, peculiar reaction to a drug that is not commonly seen, such as tremors, excitability or even collapse
What is the name of the instrument used to neutralize lenses? - Answer Lensometer (Lensmeter)
When recording a prism in a spectacle prescription, what does the abbreviation BO stand for? - Answer Base out
What is determined by focusing the thin lines in a manual lensometer? - Answer The sphere of the spectacle prescription
What is the first step in performing lensometry? - Answer Focus the eyepiece
When PRK is being performed, time remaining in the procedure should be announced in increments of ______ - Answer 10 seconds
Name the organism that is most destructive to the eye. - Answer Pseudomonas Aeruginosa
What procedure using an Argon Laser is thought to destroy areas of ischemic retina? - Answer Panretinal photocoagulation or panretinal laser What type of intraocular injection is made at the Pars plana site with a needle and syringe of medication? - Answer Intravitreal injection
What are the parallel movements of the eyes from one gaze position to another - Answer Versions
What is the movement of one eye called - Answer Duction
Versions and ductions are tested by using ________ to test the six pairs of _______ muscles. - Answer Six Cardinal positions, yoke
The movement of the eye outward toward the temple is called _____ - Answer Abduction
What is the technique used to measure the radius of curvature of the anterior corneal surface? - Answer A-Scan Keratometry Length Measurements
Keratometry is performed with a device called a ______ - Answer Keratometer or ophthalmometer
Give three examples in which a Keratometry measurement would be useful. - Answer Contact lens fitting, refractive surgery, intraocular lens calculations, keratoconus
Keratometry is measured in _____ - Answer Diopters
Measuring intraocular pressure is also called _____ - Answer Tonometry
The higher the intraocular pressure of an eye, the ____ the eye - Answer Harder
Applanation tonometry displaces less than ____ of aqueous. - Answer 0.5 microliters
When recording intraocular pressure, the reading on the Goldmann applanation tonometer scale should be multiplied by ____. - Answer 10 Because there are no rods or cones in the optic nerve head a____ blind spot is created in the normal visual field. - Answer Physiologic
A defect in the patient's superior temporal retina, will affect the patient's ____ field of vision. - Answer Inferior nasal
The two basic methods employed to map the field of vision are ____ and ____ perimetry. - Answer Kinetic, static
A localized area of reduced sensitivity in a visual field that is surrounded by an area of greater sensitivity is termed a ____. - Answer Scotoma
And unfocused eyepiece can lead to an error of ____. - Answer 1 diopter in the K reading
How many meridians are measured in keratometry? - Answer 2 meridians (usually 90° apart)
The average K reading is ____. - Answer 43-44 diopters
Keratometry measures the____ of the anterior curvature of the cornea. - Answer Central 3.3 mm
The diffusion of oxygen through a contact lens material is referred to as ____. - Answer DK value
True or False: The application and evaluation of a diagnostic lens on the eye is the best way to fit a contact lens - Answer True
Name the instrument used to determine the posterior surface radius of curvature of a rigid contact lens. - Answer Radiuscope and or Contacto Gauge
Increased thirst, excessive urine, production, increased hunger and weight loss are characteristics of which endocrine disease? - Answer Diabetes insipidus What finding can occur 6 to 8 hours after a metallic foreign body enters the cornea? - Answer Rust ring
Why are alkali burns more serious than acid burns on the cornea? - Answer Alkali burns penetrate deeper
Variability in the functions of levator and extraocular muscle is characteristic in which systemic disease? -
Answer Myasthenia gravis
What is the name of the mucous membrane covering the interior sclera? - Answer (Bulbar) Conjunctiva
What type of glaucoma constitutes an ocular emergency? - Answer Acute angle-closure glaucoma
Protocols for pressure patching or shields require that adhesive tape must be applied from the ____ to the ____. - Answer Bridge of the nose, ear lobe
What is the minimum thickness of safety lenses? - Answer 3.0 mm
What is the name of the important screening process used in emergencies determine the patient's ocular needs? - Answer Triage
What is a hemorrhage confined to the anterior chamber termed? - Answer Hyphema
____ drugs induce contractions of the iris sphincter - Answer Miotic
Name the three types of ophthalmic preparations placed directly in the eye. - Answer Solutions, suspensions, ointments
What is the main disadvantage of using an ophthalmic solution? - Answer The duration of contact with the eye is short, therefore it requires frequent instillation
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