1:-A single number that summarizes the overall level of noise exposure "averaged" over its duration is called as___________.

A:-Noise reduction rating
B:-Noise reduction coefficient
C:-Equivalent level
D:-Noise dose

Correct Answer:- Option-D

2:-Temporal auditory summation is a ___________ phenomenon.

A:-Cochlear
B:-Conductive
C:-Neural
D:-Inner hair cells

Correct Answer:- Option-C

3:-The probability that a truly hearing impaired will fail a hearing screening test is called __________.

A:-Reliability
B:-Specificity
C:-Sensitivity
D:-Validity

Correct Answer:- Option-C

4:-What results when frequency of the driving force is the same as the frequency of the driven system?

A:-amplification
B:-frequency compression
C:-harmonic enhancement
D:-resonance

Correct Answer:- Option-D

5:-The restricted band of frequencies around a pure-tone that contributes to the masking of the tone is called ____________.

A:-critical ratio
B:-spectrum of noise
C:-critical band
D:-none of the above

Correct Answer:- Option-A

6:-What does a biphasic acoustic reflex (onset and offset) indicate?

A:-acoustic neuroma
B:-ossicular discontinuity
C:-otitis media
D:-stapes fixation

Correct Answer:- Option-D

7:-What happens when the stapedius muscle contracts?

A:-the impedance at the tympanic membrane increases
B:-the impedance at the tympanic membrane decreases
C:-the impedance and admittance at the tympanic membrane increases
D:-the impedance and admittance at the tympanic membrane decreases

Correct Answer:- Option-A

8:-Bioler's notch is seen at _____________ frequency.

A:-2000 Hz
B:-4000 Hz
C:-3000 Hz
D:-1000 Hz

Correct Answer:- Option-B

9:-Consistency of results between repeated measures is known as __________.

A:-validity
B:-dependability
C:-reliability
D:-feedback

Correct Answer:- Option-C

10:-Which of the following statements is not correct about otoacoustic emissions?

A:-OAEs are measures of outer hair cell integrity
B:-OAEs are electro physiologic
C:-OAEs are preneural
D:-OAEs involve both inward and outward propagation

Correct Answer:- Option-B