Definitions Of Terms
CH 5&6
CH 5&6
Physical or behavioral condition that increases the probability that an individual will develop a particular condition
Risk Factor
An optometrist can perform eye surgery
False: An Ophthalmologist can perform eye surgery
Snellen test should be performed at a distance of ____ft?
20ft
What is the purpose of performing a ear instillation?
To soften impacted cerumen, combat infection, relieve pain, and preparing before an ear irrigation.
acuteness or sharpness of vision
Visual acuity
An otoscope is used to examine the eyes
False: Used to examine external ear canal and tympanic membrane
If a patient normally wears ______ they should be worn during the Snellen test.
glasses, contacts
Describe the procedure for ear irrigation
washing external auditory canal with flowing solution
Acute VS Chronic
Acute is symptoms of rapid onset
Chronic persist for longer than 3 months and shows little change over time.
An ear instillation may be performed to treat an ear infection
True
Which Snellen test is used for younger children (preschool age)
Big E chart
Name three types of hearing loss
conductive, sensorineural, and mixed
Two or more diseases may have similar symptoms. Determining which diseases are producing the patients symptoms.
Differential Diagnosis
The function of a speculum is to open a body orifice for viewing
True
What environment should Snellen test be performed in?
A well lit room free of distractions
How should a child's ear canal be straightened?
pulling downward and forward
Irrigation VS Instillation
Irrigation: washing body canal with flowing solution
Instillation: Is drooping liquid into cavity
The external auditory canal of an adult is straightened by pulling the ear downward and backward
False: Pull upward and backward
What is the significance of the top and bottom number next to the line on Snellen test?
Top # is the distance in which test is conducted. Bottom # distance from which a person with normal vision can read
Name three symptoms of a middle ear infection
Intense pain, Fever, Temporary hearing loss, Dizziness, Nausea, Vomiting