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ophthalmic
st430 predictor
| Question | Answer |
|---|---|
| which procedure may be done in conjunction with vitrectomy if the surgeon is unable to gain visualization of the posterior cavity of the eye? | lensectomy |
| what is the name of the gelatin-like fluid that fills the posterior cavity of the eye? | vitreous humor |
| which structure has four layers: epithelial cells, substantia propria, elastic lamina, and endothelial cells? | cornea |
| which instrument is used to remove the cataract lens in preparation for intraocular lens placement? | phacoemulsification hand piece |
| which procedure done on an eye with internal malfunction of loss of contents and possible recovery of sight provides better mobility and cosmetic result with a prosthetic eye? | evisceration |
| the surgical technologist must develop the ability to transfer very small, delicate instruments into the surgeon's hand in a function manner so that he or she does not have to look away from the microscope. | true |
| what is the portion of the eye between the cornea and the iris in which aqueous fluid flows and nourishes tissues? | anterior chamber |
| what is another name for a cystic structure caused by an inflammatory response to material trapped in a meibomian gland? | chalazion |
| for which surgical procedure would an Fragmatome be used? | vitrectomy |
| what is the name of the membrane that contains and encloses the vitreous humor in the posterior cavity? | hyaloid |
| how many tunics comprise the structure of the globe of the eye? | three |
| which of the following scissors would NOT be used for ophthalmologic procedures? | jorgenson |
| which of the following is a pharmacologic agent that constricts the pupil of the eye? | acetylcholine |
| 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 |
| the normal condition of the lens of the eye is | transparent and biconvex |
| into which structures do the lacrimal ducts drain tears? | nasal cavity |
| which structure of the eye is the thin, transparent lining of the inner surface of the eyelid and covers the sclera? | conjunctiva |
| which of the following is an inward turning of the eyelid with resulting corneal irritation? | entropian |
| cryotherapy uses which of the following to seal retinal tears and holes? | cold |
| what is the name of the structure that is a small depression containing only cones and has the highest visual acuity? | central fovea |
| which of the following is the term for "crossed eyes"? | estropia |
| tetracaine drops are used in ophthalmologic procedures to | numb the surface of the eye and surrounding structures |
| where is the lacrimal gland located? | upper lid, outer angle of the orbit |
| which two structures form the external tunic of the globe of the eye? | cornea and sclera |
| which of the following is an intraocular procedure? | vitrectomy |
| which retinal structure allows for perception of general shapes and shades of gray in dim light? | rods |
| which of the following techniques uses a laser to treat retinal tears or proliferative diabetic retinopathy? | endophotocoagulation |
| 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? | 12=superior, 3=medial; 6=inferior;9 lateral |
| which of the following is the name of locking or non locking needle holders frequently used in ophthalmology? | castroviejo |
| which type of needle is frequently used in ophthalmologic procedures? | spatula |
| in which of the following procedures would sutures most likely NOT be necessary? | extracapsular cataract extraction |
| which sterile irrigation fluid is used for ophthalmic procedures? | BSS |
| all of the following are methods of intraocular lens insertion EXCEPT: | fan-folded through small incision |
| how would definitive diagnosis of detached retina be obtained if hemorrhage is present in the eye? | surgical vitrectomy |
| perfluoropropane and sulfur hexafluoride are used to | keep pressure on the retina |
| what passes through the canal of schlemm? | aqueous humor |
| which procedure involves adjusting sutures after the patient has recovered completely from anesthesia, but within 24 hours? | recession/resection |
| misalignment or deviation from coordinated movement of the eyes is | strabismus |
| what is the term for the six muscles that provide movement of the eye? | extrinsic. |
| overhead OR spotlights should be placed on highest setting to provide necessary illumination during intraocular procedures | false |
| which of the following names represents an eye speculum that resembles an uncoiled metal paper clip? | barraquer |
| what is the name of the opening created in the outer tunic for insertion of the infusion cannula for excision of vitreous? | sclerotomy |
| which of the following is NOT used for visualization in ophthalmologic procedures? | colposcope |
| what is another name for the traction sutures used to manipulate the globe of the eye? | bridle |
| cataracts are categorized as a general condition of aging rather than a disease process | true |
| which substance is used following vitrectomy for long-term support of the retina with fewer restrictions on position? | silicone oil |
| which structure of the eye is colored, and its muscles constrict or relax to control the amount of light entering the pupil? | iris |
| a trephine is used in which ophthalmologic procedure? | keratoplasty |
| which of the following represents the replacement device for the cataract lens in the eye? | IOL |
| what is the condition of the lens that is treated by cataract extration? | opacified |
| which procedure surgically treats glaucoma? | iridectomy |
| which structure is avascular, external, and its function is to refract light rays? | cornea |
| where would a veirs rod be placed to relieve or prevent obstruction? | canaliculus |
| donor corneas must be screened for HIV, HBV, and CJD prior to transplant | true |
| what kind of anesthetic block is used for a vitrectomy procedure? | retrobulbar |
Created by:
editsuchan
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