Ophthalmology Practice Test Questions With 100% Correct Answers.

Ophthalmology Practice Test Questions With 100% Correct Answers. Corneal transplant is the partial or full-thickness grafting of corneal tissue for all of the following reasons EXCEPT: a. vitreal hemorrhage b. hyperopia c. keratoconus d. aphakia a. vitreal hemorrhage Which of the following forms of focus-related disorders is caused by an inelasticity of the lens? a. myopia b. astigmatism c. cataracts d. presbyopia d. presbyopia Which type of ophthalmic drug is used to dilate the pupil? a. hyaluronidase b. alpha -chymotrypsin c. mydriatics/cycloplegics d. fluroscein sodium c. mydriatics/cycloplegics When selecting ophthalmic trays, which criterion is the most important? a. metal hatching design to enable maximum sterilization b. fingers that separate tips c. upper and lower trays to protect delicate instruments d. all of the above b. fingers that separate tips All of the following specialized forceps can be used to grasp delicate eye tissue EXCEPT: a. chalazion b. iris c. cyclodialysis d. jewelers c. cyclodialysis One of the primary purposes of ophthalmic surgery is to detect and ______ the course of ______. This may require the removal of the diseased globe if all other measures have failed. a. treat, congenital defects b. arrest, aging or diseased tissue c. inhibit, sight-destructive disease d. improve, ocular structures c. inhibit, sight-destructive disease The __________ procedure concerns the formation of a new tear passageway by inserting a stent for drainage directly into the nasal cavity or for __________ between the lacrimal sac and the middle meatus of the nose through the lacrimal bone. a. dacryocystectomy, acute dacryocystitis b. dacryocystorhinostomy, chronic dacryocystitis c. dacryocystostomy, chronic dacryocystitis d. dacryocystorhinostomy, acute dacryocystitis c. dacryocystostomy, chronic dacryocystitis The __________ requires a protective cover on shaft for ease in handling. It is primarily used for detached retina surgeries. a. cryoprobe b. pressure dressing c. retinal probe d. Nikon lens c. retinal probe The extrinsic eye muscles that attach to the bony orbit and eye globe include all of the following EXCEPT: a. superior oblique b. lateral rectus c. medial rectus d. posterior oblique d. posterior oblique The __________ uses ultrasound waves to determine the diopter size of the intraocular lens to insert following cataract extraction. It produces a printout of the shape of the eye as well as the optimal lens size for that patient. a. A-scan b. Schiötz tonometer c. phaco machine d. indirect ophthalmoscope a. A-scan Evisceration leaves the sclera intact, providing points for attachment of a prosthesis and to reduce the danger of transmitting any infection to the bony orbit or brain. Removal is based on tumors that may have extended to the eyelid, so it may or may not require removal of the eyelid itself. a. Completely false, since evisceration calls for the removal of all eye contents. b. Partially true; removal is based on infection, not on malignant lesions. c. Partially true; removal can be based on tumors, trauma, painful glaucoma, hopeless infections or blindness. d. True b. Partially true; removal is based on infection, not on malignant lesions. Extraocular incisions include the _______. a. anterior orbital incision b. radial relaxing incision c. lateral oblique resection d. linear extraction incision a. anterior orbital incision Which of the following tests detect retinal, macular and optic nerve dysfunction? a. ultrasound b. ERG c. Schiötz tonometer d. VEP d. VEP Sutures play a significant role in ophthalmic surgery. Various absorbable and non- absorbable types are required for specific cases. ______ is a multi-filament, braided and coated suture used for scleral tissue and for retinal procedures. a. Vicryl b. Polybutylate-coated c. Silk d. Polypropylene-coated b. Polybutylate-coated Which of the following covers the majority of the globe between the retina and the sclera and consists mainly of a dense capillary plexus? a. Zonula ciliaris b. ciliary processes c. choroidal membrane d. Basal lamina c. choroidal membrane When rupturing and aspirating a cataract with ultrasonic vibrations, the surgeon is performing the _______ procedure, the most common method of cataract extraction. a. ICCE b. linear extraction c. PEK d. IOL c. PEK Draping differs, depending on whether the procedure is intra- or extraocular. What is the other factor that affects draping? a. unilateral vs. bilateral b. surgeon's preference c. patient positioning d. local or general anesthesia a. unilateral vs. bilateral This triangular suture needle has a third cutting edge on the outside of the curvature to eliminate tearing. a. spatula micropoint b. round bodied (taper cut) c. reverse cutting (micropoint) d. spatulated c. reverse cutting (micropoint) The __________ produces the aqueous portion of the tear film. a. lacrimal caruncle