Deck 45: Assessment of Visual Function

Question 1

The school nurse is reviewing the structures of the eye with a group of middle school students.Which structure should the nurse emphasize as the first line of defense against eye infections?

A) Iris
B) Fovea
C) Cornea
D) Conjunctivae

Answer 1

Conjunctivae

Question 2

A patient notices a change in the ability to focus the eyes.Which structure should the nurse suspect is causing this change?

A) Lens
B) Macula
C) Optic disk
D) Optic nerve

Answer 2

Lens

Question 3

A middle-aged adult is concerned about needing reading glasses.On which eye structure should the nurse focus when explaining this age-related change to the patient?

A) Lens
B) Pupil
C) Retina
D) Vitreous humor

Answer 3

Lens

Question 4

A patient is diagnosed with amblyopia.On which eye structure should the nurse focus when explaining this health problem to the patient?

A) Pupil
B) Retina
C) Sclera
D) Orbital muscles

Question 5

A patient is scheduled for intraocular pressure testing.What teaching should the nurse provide the patient about this test?

A) Eye shields will need to be worn after the test
B) Avoid consuming alcohol for 12 hours before the test
C) Eye drops will be needed for several hours after the test
D) Take nothing by mouth after midnight the morning of the test

Question 6

The nurse notes that a patient's left pupil constricts when the right pupil is exposed to a bright light.What response did the nurse observe?

A) Ocular movements
B) Corneal light reflex
C) Pupillary light reflex
D) Consensual light reflex

Question 7

The nurse determines that a patient's rods are functioning as expected.What color did the patient see that caused the nurse to come to this conclusion?

A) Red
B) Blue
C) Gray
D) Green

Question 8

A patient with eye pain is scheduled for slit-lamp testing.What should the nurse instruct the patient to do before this test?

A) Remove contact lenses before the test
B) Take nothing by mouth for four hours before the test
C) Take an over-the-counter analgesic before the test
D) Restrict intake to less than two cups of fluid before the test

Question 9

A patient asks why sunglasses need to be worn when out of doors.What health problem should the nurse say is reduced when responding to this patient?

A) Cataracts
B) Glaucoma
C) Detached retina
D) Corneal abrasions

Question 10

During morning care the nurse cleanses a patient's eyes.Which structure will cause the eyes to blink?

A) Eyelids
B) Eyelashes
C) Lacrimal sacs
D) Lacrimal glands

Question 11

A patient is being prepared for corneal staining.Which health problem is this patient most likely experiencing?

A) Cataracts
B) Glaucoma
C) Detached retina
D) Corneal abrasions

Question 12

The nurse notes that a patient has difficulty seeing objects that are near.Which term should the nurse use when documenting this finding?

A) Myopia
B) Hyperopia
C) Emmetropia
D) Astigmatism

Question 13

An older patient reports a vision change of seeing dark spots.Which structure is causing this patient's health concern?

A) Sclera
B) Macula
C) Vitreous humor
D) Retinal blood vessels

Question 14

During an ophthalmologic examination a patient's red reflex was absent from the left eye.What risk is increased in the patient because of this finding?

A) Injury
B) Impaired comfort
C) Ineffective coping
D) Ineffective protection

Question 15

The nurse is preparing a patient for fluorescein angiography.What should the nurse emphasize about care at home after the test?

A) Increase oral intake of water after the test
B) Avoid lifting and sneezing for three days after the test
C) Remind that the skin may be yellow for a week after the test
D) Teach to notify the health-care provider if the urine turns green after the test

Question 16

A patient's eyes are dilated.Which term should the nurse use to document this finding?

A) Miosis
B) Myopia
C) Mydriasis
D) Hyperopia

Question 17

The nurse is preparing to assess a patient's near vision.Which tool should the nurse use for this assessment?

A) Jaegar card
B) Snellen chart
C) Ishihara chart
D) Confrontation test

Question 18

An older patient is concerned because the eyes are dry and feel gritty.What should the nurse respond to this patient's concern?

A) "This is because the eyelids lose elasticity with aging."
B) "This is because the arteries in the eyes narrow with aging."
C) "This is an emergency and needs to be treated immediately."
D) "This is because the tear glands and conjunctiva don't lubricate the eye as well with aging."

Question 19

A patient is demonstrating manifestations of a detached retina.For which diagnostic test should the nurse prepare this patient?

A) MRI
B) CT scan
C) Ultrasound
D) Radioisotope scan

Question 20

A 57-year-old patient asks how frequent eye examinations should be completed.What should the nurse respond to this patient?

A) "It depends upon your age and health status."
B) "Everyone should have an eye exam every year."
C) "Most people need an examination every five years."
D) "If you have a chronic illness,an exam is needed every six months."