Audiology final (questions from other exams)

Frequency and intensity are _______ measurements of sound.

Physical

The decibel reference used in sound-level meters is_________

Sound pressure level

An oscillator is placed on the forehead or mastoid to test hearing by ____

Bone conduction

The ____ of a sine wave is determined by the number of cycles completed in one second.

Frequency

The psychological correlate of amplitude is ______

loudness

Audiometer earphones are used to test hearing by ______

air conduction

Any discussion of decibels must include their_____

Reference

Decibles cannot be simply added or subtracted because they are _____

Logarithmic

Vibratory connections between the ossicular chain and the inner ear are established by the ______

Oval window

Three to five parallel rows of outer hair cells and one row of inner hair cells are stiuation on the _______

Basilar membrane

The stereocilia on the tips of the outer hair cells are embedded in the _____

Tectorial membrane

The smallest of the middle ear bones is the ______

Stapes

The purpose of the eustachian tube is to match the pressure of the middle ear to the pressure of the ______

outer ear

The outer ear, or auricle, is also known as the _____

Pinna

The middle ear ossicle that rocks in the oval window to transmit the mecanical vibrations of the ossicles to the fluids of the cochlea is ______

Stapes

The middle ear ossicle embedded in the fibrous portion of the tympanic membrane is the _____

Malleus

The light reflex which may be seen when inspecting the tympanic membrane with a birght light directed down the external auditory canal is known as the _____

Cone of light

The human tympanic membrane is comprised of ____ layers

three

The basilar membrane supports the _____

Organ of Corti

The auricle is made of ______

Cartilage

The arrangement of auditory nerve fibers from the cochlea through the central auditory structures reflect a ______

Tonotopic organization

The ____ comprises the greatest surface area of the tympanic membrane.

Pars tensa

Reisners membrane separates the scala vestibuli from ______

Scala media

Cerumen is produced by the secaceous glands in what portion of the external auditory canal?

Outer portion

As with the outer ear, disorders of the middle ear result in ______ hearing loss.

Conductive

The number of decibels above an average normal threshold for a given signal is known as the _____ level. Audiometer readings are recorded using this specification.

Hearing

The extent of the vibratory movement of a mass from its position of rest to that point farthest from the position of rest. An increase in this results in a louder percieved sound.

Amplitude

The number of complete oscillations of a vibrating body per unit of time. In acoustics, the unit of measurement is cycles per second or hertz.

Frequency

The number of decibels above the hearing threshold of a given subject for a given signal.

Sensation level

The subjective impression of the highness of lowness of a sound; the psychological correlate of frequency.

Pitch

The entry-level degree for profession of audiology is the _____

AuD

Doctor of Audiology

The credential required for the practice of audiology in the United States is ______

State license

Speech language pathologists scope of practice allows for speech pathologists to provide therapeutic aspects of ________ and basic checks of hearing aid performance.

Aural rehab

A lifetime economic burden of hearing loss computed on an average life expectacy of seventy-one years, the economic burden of hearing loss can exceed _____

1 million

Audiology developed from the professions of______ and _____.

SLP and otology

The two organizations most closely associated with audiology are______ and______

AAA and ASHA

Two professional documents that govern the practice of audiology are_______ and ______

code of ethics and scope of practice

List the order in which the auditory nerve passes through the auditory pathway after exiting the cochlea up to the auditory cortex

Cochlear nucleus

Superior olivary complex

Nucleus of lateral lemniscus

Inferior colliculus

Medial geniculate body

Neonatal hearing screens typically use

ABR and OAE

What are the three acoustic immitance tests

OAE

Acoustic relexes

A retracted membrane might show what type of Tymp

Type C

SRT is typically at a _____ intensity then SDT

Higher