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Nur 238 ch 25 and 26 test Questions With Complete Solutions
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Nur 238 ch 25 and 26 test Questions With Complete Solutions
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Nur 238 ch 25 and 26 test Questions With CompleteSolutions
A cataract causes a blurring of vision because the -----------
becomes ------------. Correct Answer lens
cloudy and opaque
A patient comes to the ambulatory care clinic after getting hay
into the eyes while farming. Which action(s) should the nurse
implement? (select all that apply.) Correct Answer a. Flush the
eye with warm saline.
b. Hold the eyelids open.
c. Tilt the head back.
d. Use a moistened sterile cotton swab.
If the foreign body is not deeply embedded in the tissues of the
eye, it can easily be removed by irrigation. Irrigation with clear,
lukewarm water or sterile water or saline is used to remove a
foreign body sticking to the cornea. Have the patient tilt the head
back. Hold the eyelids open to prevent blinking. Sometimes a
speck of foreign matter on the cornea can be removed with a
moistened, sterile cotton swab. The goals of treatment will be to
remove the foreign objects from the eyes and to prevent further
injury to the eye. Rubbing an irritated eye may cause a corneal
abrasion.
A patient presents to a walk-in clinic with a small piece of rock
deeply embedded in his right eye. What should the nurse do
first? Correct Answer d. Cover both eyes with a dressing.
,If a foreign body is sticking out of the eye, no attempt to remove
it should be made. Both eyes should be patched to prevent
further eye movement, and then the patient should be referred to
the emergency department or to an ophthalmologist. For foreign
bodies not deeply embedded in the tissues of the eye, irrigation
can easily remove them. Irrigation with clear, lukewarm water
or sterile water or saline is used to remove a foreign body
sticking to the cornea.
A patient tilts her head to the side while reading a pamphlet. The
nurse recognizes that this action may be an attempt to
compensate for which problem? Correct Answer d. Diplopia
ANS: D
Tilting the head may indicate a visual disturbance such as
double vision or that one eye is stronger than the other. Tilting
the head to read would not affect tinnitus (ringing in the ears) or
nystagmus (involuntary eye movements). Shading the eyes may
be noted with photophobia.
A tonometer reading reflects the amount of pressure exerted by
which component of the eye? Correct Answer Aqueous humor
The tonometer reads the pressure exerted by the aqueous humor
in the anterior chamber. The sclera is the part of the eyeball that
is opaque white and covers the posterior portion of the eyeball.
The vitreous humor is the substance found in the posterior
chamber of the eye between the lens and the retina. The cornea
is a transparent structure in the eye that allows light to hit the
lens. It is involved in the bending of light rays.
, Accommodation is accomplished through the interaction of the
ciliary bodies and the _____. Correct Answer lens
Ciliary muscles and ligaments change the shape of the lens to
provide accommodation, which is the bending of light rays to
focus on the retina.
After teaching a patient about a new eye medication, the nurse
observes the patient applying eye ointment. Which technique
indicates that the nurse's teaching has been successful? Correct
Answer a. The patient applies the ointment from the inner to
outer canthus.
A thin line of eye ointment should be applied from the inner
canthus to the outer canthus along the lower eyelid inside the
conjunctival sac.
An intervention for setting up a dinner tray for a blind person
would be to: Correct Answer describe where each type of food
is located using the "clock" method.
An office assistant tells the nurse his job requires him to work at
his computer for 7 to 8 hours each day. Which statement
indicates that the nurse's teaching about preventing eyestrain has
been successful? Correct Answer c. "I will close my eyes every
few hours."
To prevent eyestrain, the patient should rest the eye muscles
periodically when working at the computer or performing any
activity that demands intensive visual effort. Resting the eye
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