Exam 1

Question 1

Audiology

Answer 1

PIE = Prevention, Identification and Evaluation of hearing aids

selection and evaluation of hearing aids

habilitation/rehabilitation of individuals with hearing impairment

Question 2

Audiologist

Answer 2

assessment and habilitation/rehabilitation of persons with auditory and vestibular impairments and to the prevention of these impairments

Question 3

An audiologist is…

Answer 3

autonomous practice

promote healthy hearing, communication competency, quality of life for persons of all ages through the prevention, identification and assessment and rehabilitation of hearing , auditory function, balance and other related systems

Question 4

Raymond T Carhart

Answer 4

considered the father of audiology

developed strong audiology curriculum at Northwestern University in the 1940s

Question 5

Audiologist responsibility:

Answer 5

• integrity and function of peripheral hearing system
• integrity and function of auditory pathways and processing ability of complex stimuli
• effect of hearing loss on patient and patient’s family
• includes self image as well as functional effects
• effect of hearing loss on patient’s academic and social standing and success
• could ultimately have far reaching implications for a person’s success and their affect on others

Question 6

Why audiology?

Answer 6

• more than 48 million ppl in the US with hearing impairment
• hearing impairment affects children AND adults
• impact is significant
• “invisible” handicap

Question 7

Examples of where audiology is practiced

Answer 7

• medical, pediatric, rehabilitative/dispensing, education, industrial

Question 8

Most hospitals employ between __ and __ audiologists

Answer 8

1 and 4

Question 9

What is the fastest growing employment setting?

Answer 9

private practice

Question 10

Where is the growing need for audiology?

Answer 10

College and University

growing need for PhD’s

Question 11

True or False: Doctoral degree required as entry-level preparation

Answer 11

True

Question 12

Audiologists work with ____ NOT ____

Answer 12

people; ears

Question 13

Psychological sound:

Answer 13

an auditory experience (“I hear it, it is too loud/hard”

Question 14

Physical sound:

Answer 14

a series of disturbances molecules within an elastic medium such as air which are propagated through that medium

Question 15

Essence of sound:

Answer 15

motion; specifically vibration

Question 16

Vibration:

Answer 16

refers to the mechanical oscillation about an equilibrium point

Question 17

For sound to occur:

Answer 17

Source, Force, Medium

Question 18

Source:

Answer 18

something to be disturbed

Question 19

Force:

Answer 19

something has to disturb it

Question 20

Medium:

Answer 20

something has to carry the disturbances

Question 21

What happens when air molecules are displaced?

Answer 21

Pressure waves occur; compressions (peaks); refractions (valleys)

Question 22

Sinusoidal Motion:

Answer 22

most fundamental form of vibration

Pendular Movement

Question 23

Most fundamental form of vibration:

Answer 23

sinusodial motion

Question 24

Complex Periodic:

Answer 24

sound that is composed of many sine waves with different frequencies, levels and times (Unit: pascals (Pa)/ Micropascals

Question 25

Complex Aperiodic:

Answer 25

sound is composed of random vibration patterns (noise)

Question 26

Amplitude:

Answer 26

quantity or magnitude of sound

Question 27

Frequency:

Answer 27

the number of cycles of vibration that occur in one second

Question 28

Cycle:

Answer 28

one complete period of compression and rarefraction of a sound wave

Question 29

Phase:

Answer 29

point of time of cycle.

Where an object is in its cycle of vibration

Question 30

Phases (hint: unit circle):

Answer 30

0,90,180,270,360

Question 31

Duration:

Answer 31

how long the sound lasts

(unit: second/milliseconds)

Question 32

Sound Pressure Level:

Answer 32

parameter used most often to describe of the physical properties of the level of sound waves

(unit: Pa/Micropascals)

Question 33

Complex Periodic Sound:

Answer 33

sound that is composed of many sine waves with different frequencies, level and times

Question 34

Waveform:

Answer 34

moment by moment displacement of vibration body

Amplitude on Y-Axis
Frequency on X-Axis

Question 35

Spectrum:

Answer 35

the distribution of frequencies and their magnitude in a sound