The mucous membrane layer that covers the inside of the eyelids, as well as the anterior surface of the globe of the eye, is known as the a. sclera. b. retina. c. cornea. d. conjunctiva.

The dense, white, fibrous connective tissue that coats the entire globe of the eye is called the a. sclera. b. retina. c. choroids. d. conjunctiva.

The clear, nonvascular fibrous tissue that covers the front of the eye to allow light into the eye is known as the a. sclera. b. retina. c. cornea. d. aqueous humor.

The area where the cornea and sclera meet is named a. limbus. b. choroids. c. canal of Schlemm. d. anterior cavity.

The posterior cavity of the globe is filled with a. aqueous humor. b. choroids. c. ciliary body. d. vitreous humor.

The anterior cavity of the eye is filled with a. aqueous humor. b. choroids. c. lens. d. vitreous humor.

The vascular layer of the globe of the eye is the a. sclera. b. retina. c. choroid. d. conjunctiva.

The ____________ is the nervous layer of the eye a. sclera b. retina c. choroid d. conjunctiva

The __________ focuses the image onto the retina. a. pupil b. lens c. cornea d. iris

Anterior and posterior cavities of the eye are separated by the a. lens. b. iris. c. optic nerve. d. sclera.

Anterior and posterior chambers of the anterior cavity are separated by the a. lens. b. iris. c. optic nerve. d. retina.

Aqueous humor is a fluid secreted by the a. vitreous humor. b. ciliary processes. c. trabecular meshwork. d. sclera.

Chronic open-angle glaucoma results from a blockage of the a. ciliary processes. b. trabecular meshwork. c. canal of Schlemm. d. zonula.

The vitreous humor of the eye does not a. give the globe of the eye its shape. b. contain a gelatinous substance. c. keep the retina in position. d. replenish itself.

Why is topical application the most common method of administering anesthesia for eye surgery? a. Blood-eye barrier prevents effective absorption of most systemic drugs. b. Eye procedures do not require systemic anesthesia. c. Eyes do not have deep pain receptors; therefore deep anesthesia is not needed. d. Topical anesthesia administered through the conjunctiva remains in the eye for an extended time.

Which statement is not true about topical ophthalmic anesthesia administration? a. They enter the systemic circulation through conjunctival vessels. b. They enter the nasolacrimal system, then drain into the stomach where they are absorbed. c. After administering a drug, the lacrimal sac must be compressed to prevent the drug from draining into the lacrimal system. d. 0.75% Marcaine is commonly used.

What prep solution is acceptable for eyes, including the eyelids, brows, and cheeks? a. Lacri-lube b. Balanced salt solution c. Viscoat d. Betadine Ophthalmic

Which product is mixed with injectable local anesthetic agents to increase its rate of diffusion through tissues? a. Vitrase b. Pilocarpine c. Healon d. BSS

Which product is used in the treatment of blepharitis? a. Ocusert Pilo b. Durasite c. Ultracell Pledgets d. BSS

Which product is used to treat glaucoma by producing miosis? a. Ocusert Pilo b. Durasite c. Ultracell Pledgets d. BSS

Which product is placed in the conjunctival cul-de-sac after the eye has been anesthetized? a. Ocusert Pilo b. Durasite c. Ultracell Pledgets d. BSS

BSS is an example of which ophthalmic drug category? a. Anesthesia b. Lubricants c. Anti-inflammatory agents d. Irrigating solution

Thick, gelatinous substances that are injected into the eye to keep the chamber expanded or to replace vitreous humor are a. viscoelastic agents. b. enzymes. c. cycloplegics. d. mydriatics.

Which one of the following is not a viscoelastic agent? a. Vitrax b. Miochol c. Viscoat d. Occucoat

Drugs that constrict the pupil by stimulating the iris muscle are called a. viscoelastic agents. b. miotics. c. mydriatics. d. cycloplegics.

Constriction of the pupil results in a. increased intraocular pressure. b. decreased intraocular pressure. c. increased blood pressure. d. decreased blood pressure.

Which group of ophthalmic drugs is used in the short-term treatment of glaucoma? a. Lubricants b. Miotics c. Mydriatics d. Cycloplegics

Blurred vision; abdominal cramps and diarrhea; and eye, eyebrow, and eyelid pain are side effects of which group of ophthalmic drugs? a. Anesthetic agents b. Miotics c. Viscoelastic agents d. Cycloplegics

Acetylcholine chloride in a solution of mannitol is marketed under which one of the following trade names? a. Miochol-E b. Miostat c. Pilocar d. IsoptoCarpine

Which one of the following medications should be reconstituted immediately before use? a. Miochol-E b. Miostat c. Pilocar d. IsoptoCarpine

Which one of the following drugs is not a topical miotic? a. Miostat b. Pilocar c. IsoptoCarpine d. IsoptoCarbachol

Which group of ophthalmic drugs dilates the pupil? a. Mydriatics b. Miotics c. Viscoelastic agents d. Dyes

What is the effect of cycloplegic drugs? a. Miosis b. Mydriasis c. Proteolysis d. Diuresis

Which drug is considered a cycloplegic agent? a. Mydriacyl b. Neo-Synephrine c. Atropine d. Atropisol

Phenylephrine is the generic name for a. Mydriacyl. b. Neo-Synephrine. c. Atropine. d. Atropisol

Neomycin combined with polymyxin and bacitracin is marketed as a. Neosporin. b. A-K Tracin. c. Ilotycin. d. Garamycin.

0.5% ointment of erythromycin is marketed as a. Neosporin. b. A-K Tracin. c. Ilotycin. d. Sulamyd.

Ophthalmic lubricants are generally used to a. prevent corneal abrasions while the patient is under general anesthesia. b. maintain the corneal reflex during eye surgery. c. decrease tissue irritation as suture material moves through tissue layers. d. enhance the effect of topical anesthesia.

An anti-inflammatory ophthalmic ointment that is composed of neomycin, polymyxin B, and dexamethasone is marketed under what trade name? a. Miochol b. Wydase c. Sulamyd d. Maxitrol

An anti-inflammatory ophthalmic ointment that is made of tobramycin and dexamethasone is marketed under what trade name? a. TobraDex b. Tobrex c. Timolol d. Activase

Which group of drugs interferes with the transmission of pain impulses to the brain? a. Cycloplegics b. Viscoelastic agents c. Anesthetic agents d. Anti-inflammatory agents

Which medication is rarely used as a topical ophthalmic anesthetic agent? a. Tetracaine b. Cocaine c. Proparacaine d. Pontocaine

0.5% ophthalmic solution of tetracaine is known by which trade name? a. Pontocaine b. Alcaine c. Ophthaine d. Xylocaine

0.5% ophthalmic solution of proparacaine is known by which trade name? a. Pontocaine b. Alcaine c. Bupivacaine d. Xylocaine

Which one of the following anesthetic agents may be used for a retrobulbar block? a. 5% Ophthaine b. 4% Xylocaine c. 4% Cocaine d. 0.5% Pontocaine

Long-term treatment of glaucoma may include any one of the following groups of drugs except a. miotic agents. b. carbonic anhydrase inhibitors. c. mydriatic agents. d. beta-adrenergic blockers

What is the effect of carbonic anhydrase inhibitors in the treatment of glaucoma? a. Draws fluid out of the eye b. Interferes with the production of aqueous humor c. Causes papillary constriction d. increases outflow of aqueous humor

Which drug is a carbonic anhydrase inhibitor? a. Miochol b. Osmitrol c. Timoptic d. Diamox

Which drug is an osmotic diuretic? a. Miochol b. Osmitrol c. Timoptic d. Trusopt

What is the generic name for Osmitrol? a. Mannitol b. Timolol c. Carbachol d. Carteolol

Which one of the following antiglaucoma agents is only administered topically? a. Acetazolamide b. Mannitol c. Timolol d. Glycerine

Which medication, if administered preoperatively, will necessitate the placement of an indwelling urinary catheter? a. Timoptic b. Betagan c. Occupress d. Osmitrol

Steroid anti-inflammatory drugs are used in ophthalmology to a. prevent the rejection of a corneal transplant. b. suppress inflammatory response to trauma. c. inhibit intraoperative miosis. d. diagnose corneal abrasions.

Which medication is classified as a nonsteroidal anti-inflammatory drug (NSAID)? a. Betamethasone b. Decadron c. Prednisolone d. Flurbiprofen

Which drug is used intraoperatively to inhibit miosis? a. Dexamethasone b. Flurbiprofen 0.03% c. Ketorolac 0.5% d. Diclofenac 0.1%

Which drug is given postoperatively to reduce inflammation? a. Dexamethasone b. Flurbiprofen 0.03% c. Ketorolac 0.5% d. Prednisolone

Ophthalmic staining agents are used to accomplish each of the following except a. diagnose corneal and conjunctival epithelium abnormalities. b. locate a foreign body. c. observe flow of vitreous humor. d. verify lacrimal system blockage.

Which dye is primarily used for diagnosis of “dry eye syndrome”? a. Methylene blue b. Ful-Glo c. Fluorescein sodium d. Rose bengal 1%

The eye receives stimuli and transmits signals to the brain via which nerve? a. Olfactory b. Optic c. Oculomotor d. Trochlear

How many ocular muscles control the movement of the eye? a. One b. Two c. Four d. Six

Which is considered an accessory structure of the eye? a. Eyelids b. Cornea c. Optic nerve d. Ciliary body

If the tip of a sterile medication applicator should touch the surgical patient’s tissue, what should happen next? a. Keep the medication on the sterile field b. Should be sent back to the pharmacy c. Should be refrigerated d. Should be discarded immediately after use

During most ophthalmic procedures, who will periodically moisten the eye? a. Surgeon b. Circulator c. Scrubbed surgical technologist d. Scrubbed anesthesia care provider

When Miochol-E is used, how long does miosis last? a. 1 hour b. 10 minutes c. 10 seconds d. 24 hours

An IOP pressure greater than 25 mm Hg may cause a. deafness. b. nerve damage. c. high blood pressure. d. infection.

The most common form of glaucoma is a. narrow-angle glaucoma. b. open-angle glaucoma. c. angle-closure glaucoma. d. closed-angle glaucoma.

When will the most urine output be noted in a surgical patient with an indwelling urinary catheter after receiving mannitol? a. 1 hour after administration b. 1 day after the procedure c. 30 minutes after the procedure d. 4 hours after administration