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NBC-HIS Exam Questions and Answers 100% Pass

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NBC-HIS Exam Questions and Answers 100% Pass

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NBC-HIS Exam Questions and Answers
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•-

CORRECT ANSWER: Q: What is the normal range of human hearing

in Hz?




QUESTION: A: 20 Hz to 20,000 Hz -

CORRECT ANSWER:




QUESTION: What is the normal range of human hearing in Hz? -

CORRECT ANSWER: 20 Hz to 20,000 Hz




QUESTION: What does dB HL stand for? -

CORRECT ANSWER: Decibels Hearing Level

,QUESTION: What is the function of the cochlea? -

CORRECT ANSWER: To convert sound waves into electrical signals

sent to the brain




QUESTION: What does air conduction testing evaluate? -

CORRECT ANSWER: The entire auditory system, including outer,

middle, and inner ear




QUESTION: What does bone conduction testing bypass? -

CORRECT ANSWER: The outer and middle ear




QUESTION: What is the purpose of masking in audiology? -

CORRECT ANSWER: To isolate the test ear by preventing the non-

test ear from participating

, QUESTION: What is the minimum interaural attenuation for supra-

aural headphones? -

CORRECT ANSWER: 40 dB




QUESTION: What does the SRT (Speech Reception Threshold)

measure? -

CORRECT ANSWER: The lowest level at which speech can be

understood 50% of the time




QUESTION: What does the word recognition score evaluate? -

CORRECT ANSWER: The ability to understand speech at a

comfortable loudness level




QUESTION: What is recruitment? -

CORRECT ANSWER: An abnormal growth in loudness, often seen in

sensorineural hearing loss

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