Answers
Question:
The function of the auditory ossicles is to:
transmit the light reflex to the light cone.
transform sound vibrations into mechanical waves for the inner
ear:Correct
to capture sound waves from the external ear for transmission into the
middle ear.
to separate the inner ear from the middle ear.
Explanation:
The function of the auditory ossicles is to transform sound vibrations
into mechanical waves for the inner ear
Question:
,A 35-year-old patient complains of vertigo accompanied by nausea and
vomiting. Examination reveals bilateral diplopia and an unsteady gait.
These symptoms could be suggestive of:
an arrhythmia.
a neurological condition:Correct
an inner ear infection. Incorrect
orthostatic hypotension.
Explanation:
Vertigo symptoms associated with neurologic conditions include: ataxia,
diplopia, and dysarthria. Symptoms associated with cardiovascular
conditions and vertigo include arrhythmias, orthostatic hypotension,
vasovagal stimulation, lightheadedness, weakness, or presyncope.
Question:
A 60-year-old was concerned about a yellowish colored lesion above her
right eyelid. Findings revealed a slightly raised yellowish, well
circumscribed plaque along the nasal area of her right eyelid. This
finding is most consistent with:
a pinguecula.
a chalazion.
episcleritis.
, xanthelasma. Correct
Explanation:
Slightly raised, yellowish, well-circumscribed plaques appearing along
the nasal area of one or both eyelids are consistent with lipid disorders
and called xanthelasma. Pinguecula refer to harmless, yellowish,
triangular nodules in the bulbar conjunctiva on either side of the iris. A
chalazion is a nontender nodule usually on the underside of the eyelid.
Episcleritis is an ocular inflammation of the episcleral vessels.
Question:
Assessment of a patient's visual acuity resulted in 20/200 using the
Snellen eye chart. This means that:
at 200 feet the patient can read printed information that a person with
normal vision could read at 20 feet.
at 20 feet the patient can read printed information that a person
with normal vision could read at 200 feet:Correct
the patient has normal visual acuity.
the patient may not be able to read so he should be tested with the
picture or "E" eye charts.
Explanation: