:-ordinal
C:-interval
D:-nominal
Correct Answer:- Option-A
Question77:-The embryonic period usually terminates around the week when the structure assumes a "human"
appearance and is known as a fetus.
A:-6th
B:-8th
C:-7th
D:-9th
Correct Answer:- Option-B
Question78:-The human cochlea acquires normal adult function after week of gestation.
A:-18
B:-19
C:-20
D:-21
Correct Answer:- Option-C
Question79:-Which of the following develops first during the development of the inner ear?
A:-semicircular canals
B:-cochlear duct
C:-sensori cells in the cochlea
D:-utricle and saccule
Correct Answer:- Option-B
Question80:-In high risk factors 'H' stands for
A:-High fever
B:-Hyperbilirubinemia
C:-Hyperthyroidism
D:-Hypothyroidism
Correct Answer:- Option-B
Question81:-A single number that summarizes the overall level of noise exposure "averaged" over its duration is called as

A:-Noise reduction rating
-Noise reduction coefficient
C:-Equivalent level
D:-Noise dose
Correct Answer:- Option-D
Question82:-Temporal auditory summation is a phenomenon.
A:-Cochlear
Conductive
C:-Neural
D:-Inner hair cells
Correct Answer:- Option-C
Question83:-The probability that a truly hearing impaired will fail a hearing screening test is called
A:-Reliability
Specificity
C:-Sensitivity
D:-Validity
Correct Answer:- Option-C
Question84:-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
Question85:-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