Quiz 9 Principles of Audiology

What is the goal of hearing screening?

To indicate whether an individual has hearing loss.

What are the possible outcomes of a hearing screening?

Pass or refer.

What should happen if a child receives a refer result?

Refer to a licensed audiologist or otologist for further evaluation.

Who can perform hearing screenings?

Audiologists, qualified SLPs, and support personnel under audiologist supervision.

What are the environmental requirements for hearing screening?

Minimal visual and auditory distractions; sufficiently low ambient noise.

What audiometry methods are used for pediatric hearing screening?

Conditioned play audiometry (ages 3-5) and conventional audiometry (ages 5-18).

At what intensity and frequencies are school-age children screened?

20 dB HL at 1000, 2000, and 4000 Hz.

What should you do if a child does not respond during screening?

Reinstruct, reposition earphones, and rescreen during the same session.

What are the criteria for passing a hearing screening?

Clinically reliable responses at 20 dB HL at every frequency in both ears.

What does a refer result mean?

Unilateral or bilateral lack of reliable response at 20 dB HL at any frequency.

Childhood hearing loss

3 out of 1,000 babies are born with hearing loss

NICU babies

At least 1 in 50 show significant hearing loss

School screenings

10-15% are referred

Otitis media

Estimated 5 million school days missed annually

Incidental learning

Estimated 90% of very young children's knowledge is attributed to incidental learning

Earphone colors

Red = right; blue = left

Screening frequencies

1000, 2000, 4000 Hz

Screening intensity

20 dB HL