NURS 190 Quiz 2_ eyes, Ears, nose, mouth, and throat exam with complete solutions.
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Course
Nurs 190
Institution
Nurs 190
Macula
is responsible for central vision. It's yellow, pit like center called the fovea central is, appears as a hyper-pigmented spot on the temporal aspect of the retina
pterygium
thin tissue growing into the cornea from the conjunctiva, usually caused from sun exposure
-UV induced tempo...
NURS 190 Quiz 2: eyes, Ears, nose,
mouth, and throat exam with complete
solutions
Macula - ANSWER- is responsible for central vision. It's yellow, pit like center
called the fovea central is, appears as a hyper-pigmented spot on the temporal
aspect of the retina
pterygium - ANSWER- thin tissue growing into the cornea from the conjunctiva,
usually caused from sun exposure
-UV induced temporary loss of vision
what equipment is used to assess objective data for the eye ? - ANSWER- -visual
acuity charts
-opaque card or eye cover
-penlight
-cotton tipped applicator
-ophthalmoscope
Snellen eye chart - ANSWER- eye chart used by eye care professionals and
others to measure visual acuity.
-position patient exactly 20 ft away
-patient can be standing or seat
-chat must be eye level
-read lines from top to bottom
-read lines from left to right
-cover one eye at a time
-if patient wears glasses have them take the test with and without glasses
, Findings of Snellen Chart - ANSWER- -any findings other than 20/20 are
considered abnormal.
ex: 20/40 means that the line the patient can read at 20 feet away can be read by a
person with normal vision at 40 feet away
Testing Peripheral Vision - ANSWER- 1. position patient (patient and examiner sit
in front of each other 2-3 ft away)
2. Explain to the patient that they will alternatively cover an eye and must look
directly into your open eye. A pen or penlight will be moved into the patients field
of vision from four directions. The patient is to indicate by saying now or yes
when the object is first seen
extraocular movements - ANSWER- eye movements controlled by several pairs of
eye muscles
-stand about 2 ft in front of the patient
-hold pen 18 inches from patients face
-Letter H method:
-Wagon wheel method:
Hirschberg test - ANSWER- Corneal light reflex examination checking for ocular
alignment
Ptosis - ANSWER- eyelid drooping
-dysfunction of cranial nerve 3
PERLLA deals with which nerves ? - ANSWER- 3,4, and 6
consensual constriction - ANSWER- The simultaneous response of one pupil to
the stimuli applied to the other
Testing Eye Accommodation - ANSWER- 1. hold finger about 10cm or 4-5 inches
from pt's nose
2. ask them to alternate looking into distance and at your finger
3. observe the pupillary response in each eye
convergence of eyes - ANSWER- Medial rotation of the eyes
-turning eye inward
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