Deck 10: Ophthalmic Agents

Question 1

Aqueous humor is a fluid secreted by the

A)vitreous humor.
B)ciliary processes.
C)trabecular meshwork.
D)sclera.

Answer 1

ciliary processes.

Question 2

Chronic open-angle glaucoma results from a blockage of the

A)ciliary processes.
B)trabecular meshwork.
C)canal of Schlemm.
D)zonula.

Answer 2

trabecular meshwork.

Question 3

The area where the cornea and sclera meet is named

A)limbus.
B)choroids.
C)canal of Schlemm.
D)anterior cavity.

Answer 3

limbus.

Question 4

Which one of the following focuses the image onto the retina?

A)Pupil
B)Lens
C)Cornea
D)Iris

Question 5

The posterior cavity of the globe is filled with

A)aqueous humor.
B)choroids.
C)ciliary body.
D)vitreous humor.

Question 6

Anterior and posterior chambers are separated by the

A)lens.
B)iris.
C)optic nerve.
D)retina.

Question 7

Anterior and posterior cavities of the eye are separated by the

A)lens.
B)iris.
C)optic nerve.
D)sclera.

Question 8

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.

Question 9

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

Question 10

Which one of the following is mixed with injectable local anesthetic agents to increase its rate of diffusion through tissues?

A)Vitrase
B)Pilocarpine
C)Healon
D)BSS

Question 11

The anterior cavity of the eye is filled with

A)aqueous humor.
B)choroids.
C)lens.
D)vitreous humor.

Question 12

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.

Question 13

Increased intraocular pressure is a characteristic of which one of the following diseases?

A)Glaucoma
B)Pterygium
C)Miosis
D)Mydriasis

Question 14

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.

Question 15

Which one of the following statements 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.

Question 16

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.

Question 17

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.

Question 18

Which topical medication is used in the treatment of blepharitis?

A)Ocusert Pilo
B)Durasite
C)Ultracell Pledgets
D)BSS

Question 19

Which one of the following is the vascular layer of the globe of the eye?

A)Sclera
B)Retina
C)Choroid
D)Conjunctiva

Question 20

Which one of the following is the nervous layer of the eye?

A)Sclera
B)Retina
C)Choroid
D)Conjunctiva

Question 21

Which topical medication method is placed in the conjunctival cul-de-sac after the eye has been anesthetized?

A)Ocusert Pilo
B)Durasite
C)Ultracell Pledgets
D)BSS

Question 22

Constriction of the pupil results in

A)increased intraocular pressure.
B)decreased intraocular pressure.
C)increased blood pressure.
D)decreased blood pressure.

Question 23

Which topical medication method is used to treat glaucoma by producing miosis?

A)Ocusert Pilo
B)Durasite
C)Ultracell Pledgets
D)BSS

Question 24

Which one of the following is a cycloplegic agent?

A)Mydriacyl
B)Neo-Synephrine
C)Atropine
D)Atropisol

Question 25

Phenylephrine is the generic name for

A)Mydriacyl.
B)Neo-Synephrine.
C)Atropine.
D)Atropisol.

Question 26

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

Question 27

Which group of ophthalmic drugs dilates the pupil?

A)Mydriatics
B)Miotics
C)Viscoelastic agents
D)Dyes

Question 28

Which one of the following drugs is not a cycloplegic agent?

A)Mydriacyl
B)Cyclogyl
C)Atropine sulfate
D)Tropicamide

Question 29

Which one of the following is not a viscoelastic agent?

A)Healon
B)Miochol
C)Viscoat
D)Occucoat

Question 30

Neomycin combined with polymyxin and bacitracin is marketed as which one of the following?

A)Neosporin
B)A-K Tracin
C)Ilotycin
D)Garamycin

Question 31

Blurred vision; abdominal cramps and diarrhea; and eye,eyebrow,and eyelid pain are side effects of which one of the following groups of ophthalmic drugs?

A)Anesthetic agents
B)Miotics
C)Viscoelastic agents
D)Cycloplegics

Question 32

Drugs that constrict the pupil by stimulating the iris muscle are called

A)viscoelastic agents.
B)miotics.
C)mydriatics.
D)cycloplegics.

Question 33

Which group of ophthalmic drugs is used in the short-term treatment of glaucoma?

A)Lubricants
B)Miotics
C)Mydriatics
D)Cycloplegics

Question 34

What is the effect of cycloplegic drugs?

A)Miosis
B)Mydriasis
C)Proteolysis
D)Diuresis

Question 35

Which one of the following drugs is not a topical miotic?

A)Miostat
B)Pilocar
C)IsoptoCarpine
D)IsoptoCarbachol

Question 36

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.

Question 37

Which one of the following medications should be reconstituted immediately before use?

A)Miochol-E
B)Miostat
C)Pilocar
D)IsoptoCarpine

Question 38

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

Question 39

BSS is an example of which ophthalmic drug category?

A)Anesthesia
B)Lubricants
C)Anti-inflammatory agents
D)Irrigating solution

Question 40

Ophthalmic lubricants are generally used to

A)prevent corneal abrasions while the patient is under general anesthesia.
B)keep the cornea moist during eye surgery.
C)decrease tissue irritation as suture material moves through tissue layers.
D)enhance the effect of topical anesthesia.

Question 41

What is the generic name for Osmitrol?

A)Mannitol
B)Timolol
C)Carbachol
D)Carteolol

Question 42

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

Question 43

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

Question 44

Ophthalmic dyes 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.

Question 45

Which one of the following,if administered preoperatively,will necessitate the placement of an indwelling urinary catheter?

A)Timoptic
B)Betagan
C)Occupress
D)Osmitrol

Question 46

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.

Question 47

Which one of the following ophthalmic anesthetic agents is used only in a topical form?

A)Xylocaine
B)Marcaine
C)Sensorcaine
D)Alcaine

Question 48

Which one of the following is classified as a nonsteroidal anti-inflammatory drug (NSAID)?

A)Betamethasone
B)Decadron
C)Prednisolone
D)Flurbiprofen

Question 49

Which one of the following drugs is a carbonic anhydrase inhibitor?

A)Miochol
B)Osmitrol
C)Timoptic
D)Diamox

Question 50

Which one of the following antiglaucoma agents is only administered topically?

A)Acetazolamide
B)Mannitol
C)Timolol
D)Glycerine

Question 51

Which one of the following is rarely used as a topical ophthalmic anesthetic agent?

A)Tetracaine
B)Cocaine
C)Proparacaine
D)Pontocaine

Question 52

Which dye is primarily used for diagnosis of "dry eye syndrome"?

A)Methylene blue
B)Ful-Glo
C)Fluorescein sodium
D)Rose bengal 1%

Question 53

The eye receives stimuli and transmits signals to the brain via which nerve?

A)Olfactory
B)Optic
C)Oculomotor
D)Trochlear

Question 54

Which one of the following drugs is used intraoperatively to inhibit miosis?

A)Dexamethasone
B)Flurbiprofen 0.03%
C)Ketorolac 0.5%
D)Diclofenac 0.1%

Question 55

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

Question 56

Which one of the following drugs is an osmotic diuretic?

A)Miochol
B)Osmitrol
C)Timoptic
D)Trusopt

Question 57

The effect of osmotic diuretics in the treatment of glaucoma is to

A)draw fluid out of the eye.
B)interfere with production of aqueous humor.
C)cause papillary constriction.
D)increase outflow of aqueous humor.

Question 58

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

Question 59

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

Question 60

Which one of the following drugs is given postoperatively to reduce inflammation?

A)Dexamethasone
B)Flurbiprofen 0.03%
C)Ketorolac 0.5%
D)Prednisolone

Question 61

How many ocular muscles control the movement of the eye?

A)One
B)Two
C)Four
D)Six

Question 62

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

Question 63

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 after use

Question 64

During most ophthalmic procedures,who will periodically moisten the eye?

A)Surgeon
B)Circulator
C)Scrubbed surgical technologist
D)Scrubbed anesthesia care provider

Question 65

Which is considered an accessory structure of the eye?

A)Eyelids
B)Cornea
C)Optic nerve
D)Ciliary body

Question 66

An IOP pressure greater than 25 mm Hg may cause

A)deafness.
B)nerve damage.
C)high blood pressure.
D)infection.

Question 67

When Miochol-E is used,how long does miosis last?

A)1 hour
B)10 minutes
C)10 seconds
D)24 hours

Question 68

The most common form of glaucoma is

A)narrow-angle glaucoma.
B)open-angle glaucoma.
C)angle-closure glaucoma.
D)closed-angle glaucoma.

Question 69

Which is not considered to be a newer viscoelastic agent?

A)Duovisc
B)Ocucoat
C)Moorvisc
D)Hiluron