متام
‎B:-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:-gth‏
‎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
B:-Noise reduction coefficient
C:-Equivalent level
D:-Noise dose
Correct Answer:- Option-D
Question82:-Temporal auditory summation is a phenomenon.
A:-Cochlear
B:-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
B:-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