Chapter 16

Name of line of miniscalpel blades used in ophthalmology and ENT

Beaver

Which of the following is a pharmacologic agent that constricts the pupil of the eye? A. acetylcholine B. atropine C. betamethasone D. viscoelastic

acetylcholine

Cryotherapy uses which of the following to seal retinal tears and holes? A. cold B. heat C. monopolar current D. ultrasonic energy

cold

Which of the following is the term for "crossed eyes"? A. amblyopia B. estropia C. myopia D. presbyopia

estropia

A trephine is used in which ophthalmologic procedure? A. dacryocystorhinostomy B. enucleation C. keratoplasty D. strabismus correction

keratoplasty

Into which structures do the lacrimal ducts drain tears? A. ethmoid sinuses B. maxillary sinuses C. nasal cavity D. oropharynx

nasal cavity

How many tunics comprise the structure of the globe of the eye? A. one B. two C. three D. four

three

For which surgical procedure would an Fragmatome be used? A. vitrectomy B. enucleation C. keratoplasty D. strabismus correction

vitrectomy

Which of the following is an intraocular procedure? A. chalazion repair B. entropian repair C. strabismus correction D. vitrectomy

vitrectomy

What is the name of the gelatin-like fluid that fills the posterior cavity of the eye? A. aqueous humor B. crystalline lens C. lacrimal fluid D. vitreous humor

vitreous humor

If looking at the right eye of a patient and assigning clock positions of 12, 3, 6, and 9 o'clock to the rectus eye muscles, which of the following would be CORRECT? A. 12 = superior; 3 = medial; 6 = inferior; 9 = lateral B. 12 = superior; 3 = lateral; 6 = inferior; 9 = medial C. 12 = inferior; 3 = medial; 6 = lateral; 9 = superior D. 12 = inferior; 3 = lateral; 6 = medial; 9 = superior

12 = superior; 3 = medial; 6 = inferior; 9 = lateral

Type of drape with a rounded fenestration and adhesive backing; used when procedure involves the globe of the eye

Aperture

Which sterile irrigation fluid is used for ophthalmic procedures? A. BSS B. D5W C. H2O D. NACL

BSS

Which of the following names represents an eye speculum that resembles an uncoiled metal paper clip? A. Barraquer B. Castroviejo C. Desmarres D. McPherson

Barraquer

Where would a Veirs rod be placed to relieve or prevent obstruction? A. canaliculus B. choroid body C. conjunctiva D. crystalline lense

Canaliculus

Angular junction of the eyelids at either corner of the eye

Canthus

Which of the following is the name of locking or nonlocking needle holders frequently used in ophthalmology? A. Bishop-Harmon B. Castroviejo C. Colibri D. Desmarres

Castroviejo

What is the name of the structure that is a small depression containing only cones and has the highest visual acuity? A. ciliary body B. central fovea C. choroid coat D. crystalline lens

Central fovea

Which structure has four layers: epithelial cells, substantia propria, elastic lamina, and endothelial cells? A. cornea B. crystalline lens C. macula D. retina

Cornea

Hereditary, progressive, noninflammatory disease of the anterior surface of the eye; diagnostic indication for keratoplasty

Corneal dystrophy

Unit of measurement of the optical power of a magnifying lens

Diopter

Visual defect in which one object is seen in duplicate; treated with adjustable suture technique of strabismus

Diplopia

In which of the following procedures would sutures most likely NOT be necessary? A. extracapsular cataract extraction B. intracapsular cataract extraction C. recession/resection strabismus correction D. vitrectomy with scleral buckle

Extracapsular cataract extraction

Gas injected into the posterior cavity of the eye following vitrectomy is more stable and requires fewer restrictions of a patient with regard to positioning and altitude than silicone oil.

False

Overhead OR spotlights should be placed on highest setting to provide necessary illumination during intraocular procedures.

False

What is the name of the membrane that contains and encloses the vitreous humor in the posterior cavity? A. ciliary body B. conjunctiva C. hyaloid D. sclera

Hyaloid

Which of the following represents the replacement device for the cataract lens in the eye? A. IOC B. IOL C. IOP D. IUD

IOL

Which of the following scissors would NOT be used for ophthalmologic procedures? A. Jorgenson B. McPherson-Vannas C. Stevens tenotomy D. Wescott

Jorgenson

Which procedure may be done in conjunction with vitrectomy if the surgeon is unable to gain visualization of the posterior cavity of the eye? A. enucleation B. iridectomy C. keratoplasty D. lensectomy

Lensectomy

What is the condition of the lens that is treated by cataract extraction? A. abraded B. detached C. lacerated D. opacified

Opacified

What is the name of the opening created in the outer tunic for insertion of the infusion cannula for excision of vitreous? A. dacryocystorhinostomy B. iridotomy C. sclerotomy D. vitrectomy

Sclerotomy

Which type of needle is frequently used in ophthalmologic procedures? A. 1/2 circle blunt B. 5/8 circle taper C. straight Keith D. spatula

Spatula

Type of drape sheet with "U" configuration and adhesive edged "legs"; used for procedures requiring broader access to extraocular areas

Split

Thick connective tissue structure that provides integrity to the shape of the eyelid: may be repositioned in entropian repair

Tarsal plate

Porous, circumferential band of tiny canals through which the aqueous humor drains

Trabecular Meshwork

Cataracts are categorized as a general condition of aging rather than a disease process.

True

Donor corneas must be screened for HIV, HBV, and CJD prior to transplant.

True

The surgical technologist must develop the ability to transfer very small, delicate instruments into the surgeon's hand in a functional manner so that he or she does not have to look away from the microscope.

True

Variable-rate, reciprocating, and cutting-tip hand piece attached to suction

Vitrector

What is the portion of the eye between the cornea and the iris in which aqueous fluid flows and nourishes tissues? A. anterior chamber B. posterior chamber C. fovea D. macula

anterior chamber

What passes through the canal of Schlemm? A. aqueous humor B. vitreous humor C. lacrimal fluid D. optic nerve

aqueous humor

What is another name for the traction sutures used to manipulate the globe of the eye? A. bridle B. buckle C. retention D. tunic

bridle

What is another name for a cystic structure caused by an inflammatory response to material trapped in a meibomian gland? A. cataract B. chalazion C. ectropian D. entropian

chalazion

Which of the following is NOT used for visualization in ophthalmologic procedures? A. colposcope B. loupes C. microscope D. ophtalmoscope

colposcope

Which structure of the eye is the thin, transparent lining of the inner surface of the eyelid and covers the sclera? A. conjunctiva B. cornea C. lens D. limbus

conjunctiva

What structure is avascular, external, and its function is to refract light rays? A. iris B. sclera C. retina D. cornea

cornea

Which two structures form the external tunic of the globe of the eye? A. pupil and iris B. cornea and sclera C. macula and retina D. ciliary body and choroid coat

cornea and sclera

Which of the following techniques uses a laser to treat retinal tears or proliferative diabetic retinopathy? A. endophotocoagulation B. keratoplasty C. phacoemulsification D. trephination

endophotocoagulation

Which of the following is an inward turning of the eyelid with resulting corneal irritation? A. cataract B. chalazion C. ectropian D. entropian

entropian

Which procedure done on an eye with internal malfunction or loss of contents and no possible recovery of sight provides better mobility and cosmetic result with a prosthetic eye? A. iridectomy B. enucleation C. evisceration D. recession

evisceration

What is the term for the six muscles that provide movement of the eye? A. accessory B. extrinsic C. intrinsic D. involuntary

extrinsic

All of the following are methods of intraocular lens insertion EXCEPT: A. fan-folded through small incision B. flat, original shape through larger incision C. folded in half through medium incision D. rolled up and passed through small tube

fan-folded through small incision

Which procedure surgically treats glaucoma? A. enucleation B. iridectomy C. keratoplasty D. scleral buckle

iridectomy

Which structure of the eye is colored and its muscles constrict or relax to control the amount of light entering the pupil? A. fovea B. iris C. lens D. macula

iris

Perfluoropropane and sulfur hexafluoride are used to: anesthetize the eye constrict the pupil keep pressure on the retina prevent post-op infections

keep pressure on the retina

Tetracaine drops are used in ophthalmologic procedures to: A. fill the posterior cavity to prevent retinal detachment B. numb the surface of the eye and surrounding structures C. irrigate the cornea to prevent drying and abrasions D. flush traumatic laceration tissue to prevent post-op SSI

numb the surface of the eye and surrounding structures

Which instrument is used to remove the cataract lens in preparation for intraocular lens placement? A. CUSA B. trephine C. ocutome D. phacoemulsification hand piece

phacoemulsification hand piece

Which procedure involves adjusting sutures after the patient has recovered completely from anesthesia, but within 24 hours? A. chalazion repair B. dacryocystorhinostomy C. entropian repair D. recession/resection

recession/resection

What kind of anesthetic block is used for a vitrectomy procedure? Bier spinal caudal retrobulbar

retrobulbar

Which retinal structure allows for perception of general shapes and shades of gray in dim light? cones fovea rods macula

rods

Which substance is used following vitrectomy for long-term support of the retina with fewer restrictions on position? A. BSS B. silicone oil C. hydroxyapatite D. perfluoropropane

silicone oil

Misalignment or deviation from coordinated movement of the eyes is: A. astigmatism B. macular degeneration C. retinal detachment D. strabismus

strabismus

How would a definitive diagnosis of detached retina be obtained if hemorrhage is present in the eye? A. angiography B. CT scan C. direct view with ophthalmoscope D. surgical vitrectomy

surgical vitrectomy

The normal condition of the lens of the eye is: A. opaque and biconcave B. opaque and biconvex C. transparent and biconcave D. transparent and biconvex

transparent and biconvex

Where is the lacrimal gland located? A. lower lid, inner angle of the orbit B. lower lid, outer angle of the orbit C. upper lid, inner angle of the orbit D. upper lid, outer angle of the orbit

upper lid, outer angle of the orbit