Deck 43: Drugs Used to Treat Glaucoma and Other Eye Disorders

Question 1

Which is a potential serious adverse effect associated with mannitol (Osmitrol)?

A) Bradycardia
B) Fluid overload
C) Anaphylaxis
D) Fever

Answer 1

Fluid overload

Question 2

Which information will the nurse include when teaching the patient and family about postoperative care for a trabeculectomy? (Select all that apply.)

A) Use aseptic technique for all dressing changes and medication administration.
B) Place the patient on the operated side.
C) Avoid heavy lifting.
D) Redness in the eye, pain, and swelling are common occurrences after surgery.
E) Avoid straining on defecation.

Answer 2

Use aseptic technique for all dressing changes and medication administration.
Avoid heavy lifting.
Redness in the eye, pain, and swelling are common occurrences after surgery.
Avoid straining on defecation.

Question 3

What is the mechanism of action of osmotic agents when used to decrease IOP?

A) Promoting outflow of the aqueous humor into the tear ducts
B) Increasing plasma osmolarity and drawing extracellular fluid into the blood
C) Blocking production of aqueous humor
D) Decreasing viscosity of the tears and allowing fluid to drain away from the eye

Answer 3

Increasing plasma osmolarity and drawing extracellular fluid into the blood

Question 4

Which statement is true about aqueous humor? (Select all that apply.)

A) Bathes and feeds the lens, posterior surface of the cornea, and iris
B) Maintains the iris color
C) Drains out of the eye through drainage channels located near the junction of the cornea and sclera
D) Manufactures fluid for tear production
E) Flows out of the canal of Schlemm into the venous system of the eye

Question 5

Which are important teaching points for the nurse to review with a patient recently diagnosed with open-angle glaucoma? (Select all that apply.)

A) The disease will cause damage to the optic disc if left untreated.
B) Symptoms are sudden and painful when the disease begins.
C) Loss of peripheral vision is a common trigger for diagnosis.
D) Total blindness may result if the glaucoma is not treated.
E) Glaucoma is not a serious disease and will cause only mild inconvenience to the patient.
F) Treatment is only necessary when symptoms are bothersome.

Question 6

Which medication is used to produce miosis following a diagnostic procedure?

A)Pilocarpine (Pilocar)
B)Mannitol (Osmitrol)
C)Atropine (Isopto-Atropine)
D)Epinephrine (EpiPen)

Question 7

Which type of medication would be used to dilate the pupils before an eye examination?

A)Osmotics
B)Adrenergic agent
C)Beta-adrenergic agent
D)Corticosteroid

Question 8

What is the action of timolol maleate (Timoptic), a beta-adrenergic blocking agent?

A)Draws aqueous humor from the eye into the circulatory network
B)Increases the production of aqueous humor
C)Increases the outflow of aqueous humor
D)Decreases the production of aqueous humor

Question 9

A patient recently diagnosed with glaucoma is to begin drug therapy with carbonic anhydrase inhibitors. About which assessment would the nurse need to contact the health care provider? (Select all that apply.)

A) Electrolyte levels
B) Any signs of gastric symptoms before initiating drug therapy
C) Allergy to sulfonamides
D) Patient history of menopause
E) Elevated intraocular pressure levels

Question 10

The nurse is preparing a patient for an ophthalmic examination. Which action occurs when the nurse instills eye drops to produce mydriasis?

A) Drying of tears in the eyes
B) Extreme dilation of the pupil
C) Opening of the canal of Schlemm
D) Paralysis of the ciliary muscle

Question 11

Which information will the nurse include when instructing a patient on the correct method of instilling eye drops? (Select all that apply.)

A) With an infection, prevent cross-contamination and use a separate source of medication and droppers for each eye.
B) Wash hands before and after administration.
C) Place lid on surface area as instructed to avoid contamination.
D) Never touch the tip of the dropper or opening of the ointment container.
E) Wipe eye from the outer to inner canthus.

Question 12

A factory worker had a chemical inadvertently splashed into his right eye. An eyewash was used at the work site. Which nursing assessments are important to include? (Select all that apply.)

A) Visual acuity
B) Presence of pain, blurred or halo vision, or lack of vision
C) Type of chemical
D) Presence of nystagmus
E) Presence of contacts or use of eyeglasses

Question 13

Which discharge instruction will the nurse include for a patient sent home from the clinic who is taking an adrenergic ophthalmic solution for an acute inflammation?

A)Headaches and eye pain are adverse effects to be reported to the health care provider immediately.
B)Mouth dryness should be reported immediately.
C)Avoid driving or operating machinery until blurring subsides.
D)“Halos” or yellow rings around objects will be seen while taking this medication.

Question 14

What is the purpose of administering a cycloplegic agent? (Select all that apply.)

A) Facilitate examination of the eye
B) Facilitate surgery on the eye
C) Cause pupillary dilation
D) Paralyze the ciliary muscle
E) Decrease the production of aqueous humor