Ophthalmic
Which of the following structures allows for perception of general shapes and shades of gray in dim light?
rods
Which of the following sterile irrigation fluids is used for ophthalmic procedures?
BSS
Into which of the following structures do the lacrimal ducts drain tears?
nasal cavity
Which of the following conditions is an inward-turning of the eyelid with resulting corneal irritation
entropian
Misalignment or deviation from coordinated movement of the eye is:
strabismus
Which of the following kinds of anesthetic blocks is used for a vitrectomy procedure?
Retrobulbar
The normal condition of the lens of the eye is:
transparent and biconvex
Which of the following procedures surgically treats glaucoma?
iridectomy
Which of the following instruments is used to remove the cataract lens in preparation for intraocular lens placement?
phacoemulsification fand piece
If looking at the right eye of the patient and assigning clock positions of 12, 3, 6, and 9 o' clock to the rectus eye muscle.
12=superior, 3=medial, 6=inferior, 9=lateral
Perfluoropropane and sulfur hexafluoride are used to:
keep pressure on the retina
Another name for the traction sutures used to manipulate the globe of the eye is:
Which of the following procedures 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?
evisceration
Which of the following names refers to locking or unlocking needle holders frequently used in ophthalmology?
castroviejo
Which of the following structures of the is colored and its muscles constrict or relax to control the amount of light entering the pupil?
iris
acetlcholine
Which of the following acronyms represents the replacement device for the cataract lens in the eye?
IOL
The portion of the eye between the cornea and the iris in which aqueous fluid flows and nourishes tissues is the:
anterior chamber
Which of the following instruments is used to incise the sclera or cornea?
Keratomes
estropia
Which of the following ophthalmologic procedures is a trephine used?
keratoplasty
The lacrimal gland is located in the:
upper lid and out angle of the orbit
Another name for a cystic structure caused by an inflammatory response to material trapped in a meibomian gland is:
chalazion
Which of the following choices passes through the canal of schlemm?
aqueous humor
How many tunics compromise the structure of the glove of the eye?
three