Chapter 21: Eye and Ear Assessment and Procedures

Visual acuity refers to

Sharpness of vision

Refraction is

Ability of the eye to bend light rays so that they can be focused on the retina

A patient has a distance visual acuity of 20/15 in the right eye. At what distance would a person with normal acuity be able to read this line?

15 feet

Near visual acuity testing is conducted with the patient holding the test card

At a distance of 14-16 inches

What is the most common color vision defect?

Congenital color vision defects

How much time should the patient be given to identify the number on each Ishihara color plate?

3 seconds

When not in use, Ishihara color plates must be protected from

Light

When performing and eye irrigation, the solution should be released

At the inner canthus

An eye instillation may be performed to

Treat an eye infection

Which of the following represents an error in the eye instillation technique?

Instilling drops onto the center of the cornea

The range of frequencies for normal speech is

300 to 4000 Hz

Which of the following can result in sensorineural hearing loss?

Intense noise

Which of the following can result in conductive hearing loss?

Serous otitis media

Which of the following is an example of a tuning fork test?

Weber test

Which of the following is the most specific type of hearing test?

Audiometry

Tympanometry is mot useful in diagnosing patients with

Serous otitis media

The external auditory canal of an adult is straightened by

Pulling the ear upward and backward

Impacted cerumen can be softened by

Instilling several drops of warm mineral oil into the ear

During ear irrigation, which of the following techniques is performed to prevent injury to the tympanic membrane?

Injecting the irrigating solution toward the roof of the ear canal

An ear instillation may be performed to

Treat an ear infection

After performing an ear instillation, the patient is instructed to lie on the unaffected side to

Allow complete distribution of the medication

A person who cannot see objects at a distance has a condition known as

Myopia

A person who cannot see close objects has a condition known as

Hyperopia

Which of the following does an optometrist NOT perform?

Performs eye surgery

The Snellen eye chart is used to

Assess visual acuity

The Snellen Big E chart is used for assessing

Preschoolers

A Snellen eye test is conducted at the distance of

20 feet

Which of the following represents an error in Snellen eye testing technique?

Asking the patient to close the eye not being tested

A patient has a distance visual acuity of 20/40 in the left eye. At what distance would a person with normal acuity be able to read this line?

40 feet

Which of the following individuals interprets and fills ophthalmic prescriptions such as a prescription for eyeglasses?

Optician