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Sensory review quiz UNITEK Questions and Answers
Sensory review quiz UNITEK
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Sensory review quiz UNITEKWhich is a potential side effect associated with natamycin (Natacyn)? - answer
Sensitivity to bright light.
Rationale: Slight mydriasis is produced allowing excessive light to enter the eyes.
The nurse is assisting with 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. - answer Normal
Rationale: Normal IOP using an tonometer is 10 to 20 mm Hg.
What is the purpose of administering anticholinergic agents? (Select all that apply) -
answer Facilitate examination of the eye
Perform procedures or surgery on the eye
Paralyze ciliary muscle
Rationale: The eye is easier to examine in some cases if the ciliary muscle is paralyzed.
Surgery on the eye is easier when the ciliary muscle is paralyzed. Cycloplegic agents
are used to paralyze the ciliary muscle in preparation for examination or surgery. Drugs
that cause pupillary dilation are called mydriatic agents. Cycloplegic agents do not
decrease the production of aqueous humor.
A nurse assesses an 80-year-old patient for age-related changes to the eye. What
potential changes should the nurse anticipate? (Select all that apply) -
answerDecreased tear secretion
Eyeball sunk deep in orbit
Hyperopia
Arcus senilis
Rationale: Eyelash diminution is not a consistent finding in older adults. All of the other
options are common eye changes related to advancing age.
, What actions should a nurse implement when assessing a patient's visual acuity?
(Select all that apply) - answerHave the patient stand at a distance of 20 feet away
Use a Snellen eye chart
Instruct the patient to read down the chart until no more than two mistakes are made on
a single line
Report the findings as the last line the patient could read with no more than two errors
Rationale: Visual acuity is most commonly tested using the Snellen eye chart.
Which intraocular pressure reading obtained by tonometry indicates a patient being
evaluated for a visual impairment does not have glaucoma? - answer18 mm Hg
Rationale: The normal intraocular pressure is between 10 and 20 mm Hg. If the patient
had glaucoma, the intraocular pressure would be abnormally high.
A nurse uses a diagram to show the physiologic sequence of hearing. After entering the
external ear, the sound is then conducted through: Arrange the options in the correct
sequence (Type in lower case letters, no comma or spaces e.g., abcde )
A. sensory receptors
B. tympanic membrane
C. oval window
D. acoustic nerve to the brain
E. malleus, incus, and stapes - answerbecad
A patient with glaucoma is taking a beta-adrenergic blocking agent, timolol (Timoptic).
For which potential serious adverse effect should the nurse assess the patient? -
answerWheezing
Rationale: Beta-adrenergic blocking agents cause bronchospasm and tachycardia.
The nurse is caring for a patient with Meniere disease. Which symptoms would the
nurse expect to observe in this patient? (Select all that apply) - answerVertigo
Tinnitus
Hearing loss
Nausea
Pallor
Rationale: Pallor, vertigo, nausea, vomiting, tinnitus, and sweating are symptoms of
Ménière disease. Ptosis is drooping of the upper or lower eyelid. Epistaxis is associated
with nasal lesions or blood disorders.
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