Question 1

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

Accepted Answer

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. A, C, D, E

Question 2

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

Accepted Answer

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 A, B, D

Question 3

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

Accepted Answer

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 D

Question 4

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?

Accepted Answer

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 5

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

Accepted Answer

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

Question 6

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

Accepted Answer

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 7

The nurse is assisting with applanation tonometry on a patient at the ophthalmologist's office.The results indicate the patient's reading to be 15 mm Hg.The nurse interprets this result as _____ IOP.

Accepted Answer

A)  decreased
B)  normal
C)  slightly increased
D)  severely increased

Question 8

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

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

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

Question 11

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

Accepted Answer

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 12

The nurse is educating a patient about a newly prescribed cholinergic agent.When relaying common adverse effects of this type of medication, the nurse will include information about: (Select all that apply.)

Accepted Answer

A)  conjunctival irritation.
B)  headache.
C)  salivation.
D)  hypotension.
E)  bradycardia.

Question 13

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

Accepted Answer

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 14

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

Accepted Answer

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 the lid on the 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 15

The nurse is caring for a patient immediately following a right sided trabeculectomy.When positioning this patient, the nurse will encourage a _____ position.

Accepted Answer

A)  prone
B)  right side lying
C)  left side lying
D)  Trendelenburg

Question 16

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

Accepted Answer

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 17

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

Accepted Answer

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

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