Deck 51: Eye and Vision Disorders

Question 1

The nurse explains that laser-assisted in situ keratomileusis (Lasik)and photorefractive keratectomy (PRK)are methods to correct refractive errors surgically.These procedures are used to reshape the:

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

Answer 1

Cornea

Question 2

The nurse recognizes that the patient who is being evaluated for a visual impairment does not have glaucoma because the tonometry reveals an intraocular pressure of ________ mm Hg.

A) 18
B) 28
C) 45
D) 52

Answer 2

18

Question 3

The nurse explains that the portion of the eye that will make it possible for a person to see in a darkened environment is the:

A) Macula
B) Rods
C) Cones
D) Optic nerve

Answer 3

Rods

Question 4

A nursing diagnosis for a visually impaired patient might include all of the following except:

A) Impaired sensory perception
B) Risk for delayed development
C) Self-care deficit
D) Ineffective coping

Question 5

The nurse would include in the information given to a patient who is using topical eye medications to:

A) Look upward and drop the medication into the inner canthus.
B) Pull the lower lid down and drop the medication into the conjunctival sac.
C) Hold both lids open and drop the medication onto the sclera.
D) Tilt the head to the side and drop the medication into the outer canthus.

Question 6

The nurse performing the eye irrigation would:

A) Ask the patient to tip her head up, and run the irrigation fluid over her open eye.
B) Direct the irrigating fluid from the inner canthus to the outer canthus.
C) Not allow the patient to blink.
D) Place the irrigating syringe directly onto the corner of the eye and allow the fluid to move across the eye.

Question 7

During the initial assessment of a very thin patient at the eye clinic,the nurse notes that the patient has very prominent eyes.The nurse should inquire about a history of:

A) Diabetes
B) Glomerulonephritis
C) Graves disease
D) Hypertension

Question 8

The 52-year-old patient complains that he must hold his paper farther and farther away from his face to read it.The nurse's most informative response would be:

A) "You are describing myopia. Glasses will help you read."
B) "You may have astigmatism, but your eyes finally adjust."
C) "You have presbyopia. Nonprescription reading glasses will help you."
D) "An eye infection may be the problem. Check with your physician for medication."

Question 9

When the patient asks what electroretinography is supposed to measure,the nurse responds that:

A) A fluorescein dye is injected intravenously (IV) into a vein in the arm, and the retina is observed as the dye circulates.
B) Electrodes are placed on the scalp, each eye is stimulated, and retinal activity is assessed.
C) A small plunger is used to apply pressure on the sclera while the retinal vessels are evaluated.
D) A contact lens electrode is placed on the eye and exposed to flashes of light to evaluate the retinal response.

Question 10

When being interviewed,a 50-year-old patient says that he cannot see the newspaper as well as he used to.The nurse knows that vision changes from near to far occur because:

A) The ciliary muscle changes the pupil size.
B) The lens of the eye changes shape as the ciliary muscle contracts and relaxes.
C) Of nearsightedness.
D) Of a clouding of the vitreous humor.

Question 11

Implementations that are appropriate in the care plan for a visually impaired person include:

A) Leaving the bed in the highest position.
B) Keeping the door closed.
C) Announcing your presence when you enter and leave the room.
D) Leaving the radio on all the time to help the patient know the time of day.

Question 12

The patient with glaucoma who is taking a beta-adrenergic blocking agent,timolol (Timoptic),should be monitored for:

A) Wheezing
B) Hypertension
C) Sudden eye pain
D) Blurred vision

Question 13

The newly diagnosed patient with macular degeneration flings her book at the television set and furiously says,"I can't read this blasted book,and I can't see what is on the stupid TV!" The nurse recognizes this behavior as:

A) Anger stage of grieving.
B) Poor impulse control.
C) Ineffective management of a therapeutic regimen.
D) Psychotic reaction to loss.

Question 14

The nurse explains that the correct term to use for a patient with a vision disorder is:

A) Blind
B) Handicapped
C) Partially blind
D) Visually impaired

Question 15

When asked about his vision,the patient says that the last time he had it tested his vision was recorded as 20/50.This means that the patient:

A) Can read at 20 feet what a person with normal vision can read at 50 feet.
B) Can read at 50 feet what a person with normal vision can read at 20 feet.
C) Needs to be 50 feet from objects to see them.
D) Can see objects the best between 20 and 50 feet.

Question 16

The 60-year-old patient who has had an enucleation asks when he can get his prosthesis fitted.The nurse responds that the prosthesis will be fitted by an optician in approximately _________ weeks.

A) 2
B) 4
C) 8
D) 12

Question 17

The nurse instructs a family member how to guide a visually impaired person when ambulating by:

A) Holding the visually impaired person by his or her nondominant arm and walking side by side.
B) Holding the nondominant hand, wrapping the arm around his or her waist, and walking side by side.
C) Allowing the visually impaired person to hold the helper's arm, with the helper slightly ahead.
D) Allowing the visually impaired person to hold the shoulder of the helper and walk slightly behind the helper.

Question 18

The patient who has been taking opioid medication for postoperative pain exhibits pinpoint pupils.The anatomic portion of the eye that has been affected by the medication is the:

A) Sclera
B) Retina
C) Choroid
D) Bulbar conjunctiva

Question 19

When providing patient education about protecting vision,the nurse should tell the patient that:

A) After 40 years of age, eye examinations should be performed every 2 years.
B) Crusted lids on awakening are caused by decreased tear production.
C) Floaters are a sign of eye infection.
D) Blurred vision without pain is temporary eye strain.

Question 20

The nurse explains to the patient who is to have a pneumatonometric study of the eye that this procedure requires that:

A) His eye may be anesthetized.
B) A pneumotonometer will be placed into his eye.
C) A puff of air will be directed at the surface of the eye.
D) An applanation will be performed with a slit-lamp microscope.

Question 21

The nurse assesses an 80-year-old patient for age-related changes to the eye,which are:

A) Decreased tear production
B) Eyeball sunk deep in orbit
C) Hyperopia
D) Eye lashes diminished
E) Arcus senilis

Question 22

The nurse considers in planning care for a patient with glaucoma that this disorder is caused by:

A) Cloudiness in the lens
B) Increase in intraocular pressure.
C) Failed eye surgery
D) Retinal tears

Question 23

The nurse assesses the patient's accommodation by:

A) Holding his or her finger approximately 20 inches in front of the patient's eyes.
B) Observing for pupillary constriction.
C) Assessing for convergence.
D) Noting blinking.
E) Moving his or her finger slowly toward the patient's nose.

Question 24

The patient reports to the home health care nurse of having cloudy vision and seeing spots and halos around lights.Based on these complaints,the nurse suggests a medical evaluation for:

A) Cataracts
B) Glaucoma
C) Detached retina
D) Macular degeneration

Question 25

The nurse explains that the difference between open-angle and closed-angle glaucoma is that with closed-angle glaucoma:

A) Onset is acute.
B) Trabeculectomy is the initial treatment.
C) Treatment can be conservative.
D) Intraocular pressure drops suddenly.

Question 26

A patient in the emergency department complains of severe pain in his eye and is seeing halos around lights and feeling nauseous.The nurse recognizes these symptoms as probable:

A) Open-angle glaucoma
B) Angle-closure glaucoma
C) Cataracts
D) Retinal detachment

Question 27

The nurse explains to a patient with retinal detachment that the surgical implementation that is most effective is:

A) Removing the lens
B) Macular bonding
C) Lasik surgery
D) Scleral buckling

Question 28

The nurse is aware that the refractive media of the eye is made up of the:

A) Aqueous humor
B) Retina
C) Vitreous humor
D) Cornea
E) Lens

Question 29

The patient who has had surgery this morning for cataracts is now going home.Discharge instructions include that the patient should:

A) Sleep on the affected side.
B) Use stool softeners.
C) Avoid bending over.
D) Avoid lifting anything heavier than 5 pounds.
E) Not wear an eye shield at night.