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ophthalmic quiz
opthalmic quiz
| Question | Answer |
|---|---|
| 1. A trephine is used in which ophthalmologic procedure? | Keratoplasty |
| The surgical technologist must develop the ability to trasnfer very small, delicate instruments into the surgeon's hand in a functional manner so that he o she does not have to look away from the microscope | True |
| 3. into which structures do the lacrimal ducts drain tears | nasal cavity |
| 4. Which structure has four layers: epithelial cells, substantia propria, elastic lamina, and endothelial cells | cornea |
| 5.What kind of anesthetic block is used for a vitrectomy procedure | retrobulbar |
| 6. 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 would be correct | 12= superior, 3=medial, 6=inferior, 9=lateral |
| 7. Which of the following is the name of locking or nonlocking needle holders frequently used in ophthalmology | Castroviejo |
| 8. Which procedure done on an eye with internal malfunction or loss of contents and no possible recovery of sight provides better mobility and cosmetic results with a prosthetic eye | evisceration |
| 9. Which of the following represents the replacement device for the cataract lens in the eye | IOL |
| 10 For which surgical procedure would an Ocutome be used | vitrectomy |
| 11 Which of the following scissors would NOT be used for ophthalmologic procedures | Jorgenson |
| 12 The normal condition of the lens of the eye is | transparent and biconvex |
| 13 What is another name for a cystic structure caused by an inflammatory response to material trapped in a Meibomian gland | chalazion |
| 14. Which instrument is used to remove the cataract lens in preparation for intracocular lens placement | phacoemulsification hand piece |
| 15. Overhead OR slights should be placed on highest setting to provide necessary illumination during intraocular procedures | false |
| 16 What is another name for the traction sutures used to manipulate the globe of the eye | bridle |
| 17 Which of the following is the term for "crossed eyes | estropia |
| 18 In which of the following procedures would sutures most likely NOT be necessary | extracapsular cataract extraction |
| 19 What is the name of the gelatin-like fluid that fills the posterior cavity of the eye | vitreous humor |
| 20 What structure is avascular, external, and its function is to refract light rays | cornea |
| 21 What is the name of the structure that is a small depression containing only cones and has the highest visual acuity | central fovea |
| 22 Which retinal structure allows for perception of general shapes and shades of gray in dim light | |
| 23 What passes through the canal of Schlemm | aqueous humor |
| 24. Which of following techniques uses a laser to treat retinal tears or proliferative diabetic retinopathy | endophotocoagulation |
| 25. Gas injected into the posterior cavity of the eye following vitrectomy is more stable and requires fewer restriction of a patient with regard to positioning and altitude than silicone oil | false |
| 26 Which structure of the eye is colored and its muscles constrict or relax to control the amount of light entering the pupil | iris |
| 27 Which of the following is NOT used for visualization in ophthalmologic procedures | colpscope |
| 28 Misalignment or deviation from coordinated movement of these is | strabismus |
| 29 What is the condition of the lens that is treated by cataract extraction | opacified |
| 30 Which of the following is an inward turning of the eyelid with resulting corneal irritation | entropian |
| 31 Perfluoropropane and sulfur hexafluoride are used to | keep pressure on the retina |
| 32 Which of the following is an intraocular procedure | vitrectomy |
| 33 All of the following are methods of intraocular lens insertion EXCEPT | fan-fold through small incision |
| 34 Where would a Viers rod be placed to relieve or prevent obstruction | canaliculus |
| 35 Which two structures form the outer tunic of the globe of the eye | cornea and sclera |
| 36 How would a definitive diagnosis detached retina be obtained if hemorrgage is present in the eye | surgical vitrectomy |
| 37 What is name of the opening created the outer tunic for insertion of the infusion cannula for excision of vitreous | slerotomy |
| 38 What is the term for the six muscles that provide movement of the eye | extrinsic |
| 39 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 |
| 40 Which of the following is a pharmacologic agent that constricts the pupil of the eye | acetylcholine |
Created by:
jc9