Chapter 21: Eye and Ear Assessment and Procedures

Visual acuity refers to

a. An error of refraction

b. Sharpness of vision

c. A weakness in muscles tone of the eye

d. The ability to distinguish colors

Sharpness of vision

Refraction is

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

b. Dilation of the pupil

c. Ability of the eye to distinguish colors

d.Transmission of light stimuli from the optic nerve to the brain

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?

a. 20 feet

b. 25 feet

c. 15 feet

d. 10 feet

15 feet

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

a. In a vertical position for 10 seconds

b. At a distance of 30 inches

c. At a distance of 14-16 inches

d. Parallel to the patient's line of vision

At a distance of 14-16 inches

What is the most common color vision defect?

a. Congenital color vision defects

b. Total color blindness

c. Green-blue color vision defect

d. Acquired color vision defects

Congenital color vision defects

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

a. 3 seconds

b. As long as is needed

c. 1 minute

d. 10 seconds

3 seconds

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

a. Loud music

b. Cold temperatures

c. Light

d. High humidity

Light

When performing and eye irrigation, the solution should be released

a. At the outer canthus

b. Directly onto the cornea

c. Toward the upper eyelid

d. At the inner canthus

At the inner canthus

An eye instillation may be performed to

a. Remove eye drainage

b. Treat an eye infection

c. Flush out harmful chemical

d. Making sure the medication bears the word ophthalmic

Treat an eye infection

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

a. Asking the patient to look up before instilling drops

b. Instilling drops onto the center of the cornea

c. Making sure the medication bears the word ophthalmic

d. Asking the patient to close and roll the eye after insti

Instilling drops onto the center of the cornea

The range of frequencies for normal speech is

a. 80 to 120 db

b. 512 to 1024 Hz

c. 300 to 4000 Hz

d. 6000 to 8000 Hz

300 to 4000 Hz

Which of the following can result in sensorineural hearing loss?

a. Impacted cerumen

b. All of the above

c. Intense noise

d. Otitis media

e. Otosclerosis

Intense noise

Which of the following can result in conductive hearing loss?

a. Ototoxicity

b. Pierced ears

c. Old age

d. Serous otitis media

Serous otitis media

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

a. Decibel test

b. Piano test

c. Weber test

d. Whisper test

Weber test

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

a. Otoscopy

b. Tuning fork test

c. Whisper test

d. Audiometry

Audiometry

Tympanometry is mot useful in diagnosing patients with

a. Serous otitis media

b. Conductive hearing loss

c. Sensorineural hearing loss

d. Auditory nerve damage

Serous otitis media

The external auditory canal of an adult is straightened by

a. Asking the patient to look up

b. Pulling the ear downward and backward

c. Pulling outward on the ear auricle

d. Pulling the ear upward and backward

Pulling the ear upward and backward

Impacted cerumen can be softened by

a. Irrigating the ear with an antiseptic solution

b. Placing a heating pad next to the ear

c. Inserting a moistened cotton-tipped applicator into the ear

d. Instilling several drops of warm mineral oil into the ear

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?

a. Cleansing the outer ear

b. Placing a cotton wick loosely in the ear canal

c. Injecting the irrigating solution toward the roof of the ear canal

d. Straightening the external ear canal

Injecting the irrigating solution toward the roof of the ear canal

An ear instillation may be performed to

a. Remove discharge from the ear

b. Apply heat to the ear

c. Remove cerumen

d.Treat an ear infection

Treat an ear infection

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

a. Avoid pressure on the tympanic membrane

b. Prevent dizziness

c. Allow drainage of excess medication

d. Allow complete distribution of the medication

Allow complete distribution of the medication

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

a. Hyperopia

b. Amblyopia

c. Presbyopia

d. Myopia

Myopia

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

a. Hyperopia

b. Hyperopia

c. Stabismus

d. Myopia

Hyperopia

Which of the following does an optometrist NOT perform?

a. Prescribes corrective lenses

b. Diagnoses and treats eye disorders

c. Performs eye surgery

d. Measure visual acuity

Performs eye surgery

The Snellen eye chart is used to

a. Diagnose conjunctivitis

b. Assess peripheral vision

c. All of the above

d. Assess visual acuity

e. Diagnosis glaucoma

Assess visual acuity

The Snellen Big E chart is used for assessing

a. School-age children

b. Individuals with cataracts

c. Elderly individuals

d. Preschoolers

Preschoolers

A Snellen eye test is conducted at the distance of

a. 20 feet

b. 20 inches

c. 40 feet

d. 10 feet

20 feet

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

a. Positioning the chart at the patient's eye level

b. Asking the patient to close the eye not being tested

c. Instructing the patient not to squint during the test

d. Having the patient keep his or her glasses on for distance vision

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?

a. 30 feet

b. 20 feet

c. 40 feet

d. 60 feet

40 feet

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

a. Oculist

b. Optometerist

c. Orthopedist

d. Optician

Optician