Study Guide Multiple Choice Test (A)

The spherical equivalent of a (-2.00 +3.00 x 090) lens is a) -0.50 b) -1.50 c) +0.50 d) +1.50

-0.50

How many pads are used when applying a pressure patch? a) 1 b) 2 c) 3 d) 4

2

The test that is used to determine if a patient may be suffering from age-related macualr degeneration (ARMD) is the a) Amsler Grid test b) Entopic test c) Four-Prism Diopter test d) Fournier analysis

Amsler Grid test

Which of the following ophthalmic emergencies require immediate attention a) Chemical burns, sudden severe loss of vision, lacerated or penetrated globe b) ocular discomfort, mucus discharge, tearing, itching c) diplopia, eyelid edema, lid twitching d) photophobia, floater, near vision difficulty

Chemical burns, sudden severe loss of vision, lacerated or penetrated globe

The following are all methods of color vision testing except a) Goldmann b) Ishihara c) Farnsworth-Munsell d) Nagel anomaloscope

Goldmann

The instrument most commonly used to measure introcular pressure by flattening the cornea is the a) Schiotz tonometer b) Stein tension tonometer c) Helmholtz applanation tonometer d) Goldmann applanation tonometer

Goldmann applanation tonometer

Which of the following statements regarding the accurate measurement of visual acuity is TRUE? a) Binocular acuity testing is more important than monocular testing b) Patients who cannot see the largest letters on the distance acuity chart should be allowed to move closer until they are able to read some of the letters c) The patient must be allowed to squint during the test to attain his or her best visual image d) Patients who wear corrective lenses should NOT wear them for the visual acuity test

Patients who cannot see the largest letters on the distance acuity chart should be allowed to move closer until they are able to read some of the letters

The primary visual acuity test performed as part of the comprehensive ocular examination is the a) Helmholtz test b) Snellen acuity test c) Schiotz tonometry test d) Farnsworth D-15 test

Snellen acuity test

Which is not an antifungal agent a) Amphotericin B b) Natamycin c) Miconazole d) Vivarabine

Vivarabine

A past ocular history includes all of the following except: a) strabismus surgery at the age of 5 b) first reading glasses 6 years ago c) a cousin diagnosed with glaucoma 10 years ago d) red eye a month ago

a cousin diagnosed with glaucoma 10 years ago

Medical ethics are a) not applicable to the ophthalmic assistant b) a form of state law c) a set of moral values d) primarily for the benfit of the physician

a set of moral values

Cycloplegic refraction is a procedure which paralyzes the eyes a) photoreceptive ability b) fusional ability c) accommodative ability d) pupillary ability

accommodative ability

If dirt accumulates on the mirror of the slit lamp, the tech may clean it by using all of the following except a) a soft lint-free cloth b) a lens brush c) a blast of air d) alcohol

alcohol

The slit-lamp biomicroscope is most often utilized for the a) internal examination of the eye b) refractive examination of the eye c) nerve system examination of the eye d) anterior segment examination of the eye

anterior segment examination of the eye

The lighting system of a slit-lamp biomicroscope can be adjusted to vary the a) ocular acuity and beam length b) beam width and angle c) beam color and tonometer strength d) tonometer strength and angle

beam width and angle

In the hyperopic eye, parallel rays of light are brought into focus a) behind the retina b) sharply on the retina c) both slightly in front of and slightly behind the retina d) in front of the retina

behind the retina

Cycloplegic agents differ from mydriatic agents in that they a) both dilate the pupil and paralyze accommodation b) paralyze accommodation c) dilate the pupil only d) are not effective in children

both dilate the pupil and paralyze accommodation

Pupillary function is an important objective clinical sign in patients with visual loss and neurological disease. What can be expected during a normal pupil exam? a) iris color in two eyes is different b) pupil size in both eyes is unequal c) both pupils are large in dim light d) both pupils are small in dim light

both pupils are large in dim light

The acronym CPR stands for a) carotoidpulse reaction b) cardiopulmonary reflex c) corneal pupillary reflex d) cardiopulmonary resuscitation

cardiopulmonary resuscitation

In regard to metabolic diseases, diabetes is the one that a) affects very few individuals b) rarely affects vision c) has no known cure d) carries the greatest risk of blindness

carries the greatest risk of blindness

In taking a history, which of the following is the most important? a) allergies and drug reactions b) medications taken at present c) past ocular history d) chief complaint

chief complaint

The specific reason a patient is being seen for an eye exam is referred to as the a) chief complaint b) diabetes in parent c) drug allergies d) family history

chief complaint

The ophthalmic medical assistant may perform which of the following? a) diagnose ophthalmic conditions b) treat medical conditions c) collect data as authorized for the supervising physician d) perform surgical procedures as authorized by the supervising physician

collect data as authorized for the supervising physician

Shining a bright light into one eye normally cause both pupils to constrict equally. The pupillary reaction is the illuminated eye is called a) indirect light reflex b) consensual light reflex c) direct light reflex d) near light reflex

consensual light reflex

The ability in human vision to decern objects of relative different lightness and darkness from their surroundings is referred to as a) individual magnification effect b) visual field extent c) contrast sensitivity d) distance visual acuity

contrast sensitivity

The most serious complication of the improper removal of rigid contact lenses is a) corneal abrasion b) damage to the lens c) giant papillary conjunctivitis d) loss of the lens

corneal abrasion

Kerotometry is the procedure for measurement of the patient's a) pupil size b) crystalline lens curvature c) macular radius d) corneal curvature

corneal curvature

The method used to treat eyelid lesions by freezing is called a) cryotherapy b) cautery c) chemotherapy d) capsulotomy

cryotherapy

The term astigmatism refers to the refractive condition that may be corrected with a) plus lenses b) minus lenses c) cylinder lenses d) prism lenses

cylinder lenses

What should the ophthalmic medical assistant do if the patient refuses to discuss their medical history a) defer the history to the nurse b) defer the history to the physician c) refer the patient elsewhere d) reschedule the patient

defer the history to the physician

Responsibilities of the ophthalmic technician in the care of patients include all of the following except a) determining the diagnosis and resulting treatment of the disease b) identifying the factors in the patient's history that may be indicative of glaucoma c) performing tests to determine the status of the patient's glaucoma d) teaching the patient about their condition

determining the diagnosis and resulting treatment of the disease

A common endrocrine problem associate with eye disorders is a) diabetes b) high blood pressure c) retinopathy of prematurity d) rheumatoid arthritis

diabetes

Which of the following is included in a past medical history? a) details of ocular treatment b) diabetes in parent c) drug allergies d) family history

diabetes in parent

Anisocoria is described as a) unequal corneal diameter b) differing iris colors c) different refractive errors d) difference in pupil size

difference in pupil size

Local anesthetics by injection are used in ophthalmology to produce all of the following except a) anesthesia of the globe b) anesthesia of the eyelid c) dilate the pupil only d) are not effective in children

dilate the pupil only

The primary disadvantage of ophthalmic topical solution medication is a) unstable pH b) increased allergic reaction c) diminished contact with the eye d) topical delivery

diminished contact with the eye

A-scan biometry measures the a) distance between internal ocular structures b) size of normal ocular structures c) size of ocular tumors d) size of the optic disc

distance between internal ocular structures

Which is not a valid visual field test a) confrontational field b) tangent screen c) exophthalmometry d) Goldmann perimeter

exophthalmometry

Which if of the following is most likely to be responsible for the transmission of epidemic adenovirus keratoconjunctivitis? a) finger-to-eye transmission b) applanation tonometry c) fluorescein solutions d) kissing

finger-to-eye transmission

Lensometry always begins with a) focusing the eyepiece b) positioning the lenses c) measuring the sphere power d) measuring the cylinder power

focusing the eyepiece

Protocols for applying pressure patches or chields require that the adhesive tape must be applied from a) forehead to the cheek b) temple to near the nose c) forehead to the temple d) temple to the ear on the same side

forehead to the cheek

The part of the retina which is most concerned with the fine visual resolution and good color perception is called the a) bipolar cell b) fovea c) pigment epithelium d) rod receptors

fovea

A brightness acuity tester (BAT) determines the effect of a) glare on visual acuity b) illumination on visual acuity c) contrast on visual acuity d) color on visual acuity

glare on visual acuity

An ocular shield is indicated in which of the following circumstances a) corneal abrasion b) globe laceration c) conjunctivits d) blepharitis

globe laceration

The condition in a visual field in which the right half or the left half of the visual field is missing is referred to as a a) perimetry cone b) semi-hemisphere c) hemianopsia d) macropia

hemianopsia

Slit lamp biomicroscope photography is useful for a) determining cup to disc ration b) imaging the optic nerve c) determining the need for spectacles d) imaging the anterior segment of the eye

imaging the anterior segment of the eye

In the myopic eye, parallel rays of light are brought into focus a) behind the retina b) sharply on the retina c) both slightly in front of and slightly behind the retina d) in front of the retina

in front of the retina

The process by which a patient is able to make a knowledgeable assessment of a specific medical or surgical procedure is referred to as a) informed consent b) a law statue c) standard setting d) office information

informed consent

The structure that provides color to the eye is the a) pupil b) crystalline lens c) iris d) cornea

iris

The uvea consists of the a) cornea, anterior chamber, and posterior chamber b) iris, ciliary body, and choroid c) cornea, retina, and optic nerve d) retina, optic nerve, and optic tract

iris, ciliary body, and choroid

In order to maintain the retinoscope, you need to a) keep an adequate supply of spare bulbs in the examining room b) keep the retinoscope in the a case when not in use c) assure the examiner is able to operate it adequately d) replace the batteries after each use

keep an adequate supply of spare bulbs in the examining room

Red eye may be the result of all the following except a) conjunctivits b) subconjunctival hemorrhage c) keratoconus d) iritis

keratoconus

An ophthalmometer is also known as a a) goniometer b) lens clock c) keratometer d) tonometer

keratometer

This is a(n) image a) phoropter b) lensomter c) Goldmann tonometer d) keratometer

keratometer

The area of the eye MOST critical to central vision is the a) cornea b) lens c) macula d) pupil

macula

What is the MOST common cause of low vision among the elderly today? a) cataract b) glaucoma c) macular degeneration d) retinitis pigmentosa

macular degeneration

A patient who reports metamorphopsia (waviness when looking at the straight lines or letters) most like has a) astigmatism b) cataract c) macular disease d) optic neuritis

macular disease

When an ophthalmologist dos not perform surgery in an operating room rather in the ophthalmologist's office this is referred to as a) enucleation surgery b) minor surgery c) vitreous surgery d) evisceration surgery

minor surgery

The following all represent a type of bifocal spectacle lens except a) cement b) ultex c) mono lens d) kryotok

mono lens

Strabismus is faiure of both eyes to spontaneously direct their gaze at the same object due to a) retinal dysfunction b) muscular imbalance c) corneal aberrations d) crystalline lens atrophy

muscular imbalance

Dilation of the pupil is referred to as a) miosis b) neomycin c) mydrasis d) increased blurred vision

mydrasis

The following are the main methods of ophthalmic drug delivery to patients except a) nasal delivery b) oral delivery c) injectable delivery d) topical delivery

nasal delivery

The determination of a patient's refractive error through retinoscopy is a) subjective b) objective c) intermediate d) intuitive

objective

Inaccurate pressure readings when performing indentation tonometry can be attributed to the a) corneal curvature b) ocular rigidity c) crystalline lens d) extraocular muscles

ocular rigidity

The tear film consists of which three layers oily, aqueous, mucin

oily, aqueous, mucin

Which method would be recommended for delivering a drug to a crying child? a) drops b) ointments c) solutions d) suspensions

ointments

The thickness of the cornea is measured using a a) lensometer b) laser interferometer c) pachymeter d) pupillometer

pachymeter

A properly applied eye dressing should be secured with a) alternating vertical and horizontal strips of adhesive tape b) horizontal parallel strips of adhesive tape c) parallel strips of surgical tape from the forehead to the cheekbone d) strips of adhesive tape from the upper lid near the ear to the forehead

parallel strips of surgical tape from the forehead to the cheekbone

The image shown is a(n) a) phoropter b) lensometer c) Goldmann tonometer d) keratometer

phoropter

Proper care of a phoropter does not include a) wiping the cross cylinder with a lens tissue occasionally b) protecting the phoropter with a dust cover when not in use c) cleaning the retinoscopy lens and other back lenses with a glass cleaner and cotton-tipped swabs d) placing a finger in the sight aperture

placing a finger in the sight aperture

The pupose of the chin rest adjustment knob on the keratometer is to a) position the keratometer to the patient's eye below the keratometer barrel b) position the keratometer to the patient's eye roughly in line with the keratometer barrel c) position the keratometer to the patient's eye above the keratometer barrel d) position the patient in the most comfortable way without respect to the keratometer barrel

position the keratometer to the patient's eye roughly in line with the keratometer barrel

All of the following may cause irregularly shaped pupils except a) congenital abnormalities b) iris inflammation c) presbyopia d) loss of the lens

presbyopia

Tonometry refers to the measurement of the eyes a) pressure b) vitreous c) curvature d) striations

pressure

If upon examination, the anterior chamber appears shallow, the patient may be a) suffering from dark adaptation b) developing presbyopia c) prone to narrow angle glaucoma d) showing myopia progression

prone to narrow angle glaucoma

Interpupillary distance is measured by a(n) a) lensometer b) laser interferometer c) Geneva lens clock d) pupillometer

pupillometer

Refractometry is the clinic procedure for determining a patient's a) visual field b) refractive error c) retinal thickness d) intraocular pressure

refractive error

The acronym RAPD standards for a) removable anterior pupillary deposits b) relative afferent pupillary defect c) retro-aqueous pupil development d) reasonably adapted pupil diameters

relative afferent pupillary defect

A concern with using ultrasonic cleaning systems is that they can a) rust instruments b) remove all lubrication c) dull instrument teeth d) scratch instruments

remove all lubrication

The elctro-oculogram (EOG) is a test that provides information about a) corneal response b) retinal response c) crystalline lens response d) extraocular muscle response

retinal response

The elements that convert light into electrical impulses for transmission of messages to the brain are a) retinal elements b) sensory receptors c) pigment epithelium layers d) rods and cones

rods and cones

The partial of complete blindness within a normal visual field is known as a a) confrontational field b) diplopia c) hemianopia d) scotoma

scotoma

The chief advantage of the projected acuity chart compared with the printed Snellen distance chart is that it can be used to a) show the patient one line of print at a time b) allow for an actual distance of less than 20 feet c) test color vision d) test dark adaptation

show the patient one line of print at a time

The pantoscopic angle of an eyeglass frome on the face is best estimate by viewing the eyeglasses from the a) side b) front c) rear d) back

side

A pledget is a a) focusing knob on a binocular microscope b) type of hypodermic needle c) small tuft of cotton soaked in anesthetic solution * d) type of lacrimal cannula

small tuft of cotton soaked in anesthetic solution

Which of the following statement is TRUE about soft contact lenses compared to hard contact lenses a) soft lenses are more difficult to keep clean and free from deposits b) soft lenses have minimal overwear reactions c) soft lenses have better optics and usually give better vision d) soft lenses may be more easily modified

soft lenses have minimal overwear reactions

A family history includes except: a) mother b) daughter c) spouse d) brother

spouse

Washing hands between patients is an example of which of the following? a) aseptic technique b) disinfection c) request of the physician d) standard precaution

standard precaution

Which of the following symptoms suggests an urgent problem? a) difficulty seeing at night b) increased difficulty in reading fine print c) sudden onset blurry vision and haloes around lights d) visual flashes followed by headache

sudden onset blurry vision and haloes around lights

The Worth four-dot test is used to detect the a) maximum visual acuity b) retinal rod function c) suppression of one eye d) extent of the color vision

suppression of one eye

Intravenous, intramuscular and subcutaneous injections of pharmaeutical substance are classified as a) intravitreal drug delivery b) subconjunctival drug delivery c) systemic drug delivery d) periocular drug delivery

systemic drug delivery

A Schrimer test measures the patient's a) tear output b) color vision c) visual field d) prism requirement

tear output

If eyes are misaligned or the extraocular muscles are unable to move the eyes in a coordinated manner, then a) the brain may be unable to merge the two images received from the eyes b) the two images received by the brain should still maintain corresponding retinal points c) the physical appearance of the eyes should not be affected d) stereopsis will not be affected

the brain may be unable to merge the two images received from the eyes

A near visual acuity test deterines the ability of the patient to see a) the large E at a predetermined distance b) the large E at a normal distance c) the specified M unit in a far point d) the card clearly at at normal distance

the card clearly at at normal distance

Systemic disorders that manifest retinal effects include all of the following except a) thyroid disorders b) sickle cell disease c) the common cold d) hypertension

the common cold

A patient calls the office and reports she had cataract surgery two years ago and is experiencing bright flashes of light in the eye that was operated on x 2 days. What should the patient be told? a) call back to an ophthalmologist if the symptoms persist b) flashes of light are normal with aphakic surgery c) see an ophthalmologist within 24 hours d) see an ophthalmologist within a month

the patient should see an ophthalmologist within 24 hours

What is the cause of a projected image to become dim on one half of the acuity projector screen a) fingerprints are on the screen b) fingerprints are on the bulb c) the projector bulb is failing d) the screen is dusty

the projector bulb is failing

B-scan ultrasonography provides a a) one-dimensional reconstruction of ocular and orbital tissues b) two-dimensional reconstruction of ocular and orbital tissues c) three-dimensional reconstruction of ocular and orbital tissues d) one-dimensional reconstruction of the retina

two-dimensional reconstruction of ocular and orbital tissues

Factors that determine whether or not surgery will be performed in the ophthalmologist's office include all the following except a) outpatient facilities in a nearby hospital b) time spent at the hospital by the physician c) type of insurance the patient has d) presence of a trained ophthalmic assistant

type of insurance the patient has

What is the best method for someone to assist a blind patient to ambulate? a) Hold both of the patient's hands and guide towards you b) Walk next to the patient with your arm around the patient's waist c) walk slightly ahead of the patient allowing the patient to rest their hand on your arm d) have the patient take our arm

walk slightly ahead of the patient allowing the patient to rest their hand on your arm

Information on a chart should not shared without the patient's a) verbal consent b) knowledge c) written consent d) family knowing

written consent