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Question
A prolonged exposure to noise at 95 dB can produce
A prolonged exposure to noise at 95 dB can produce
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Solution
The correct option is C Nervous tension and increased blood pressure
Noise is undesired high level of sound that is measured in decibel (db).
The range of hearing in human beings is upto 120 dB. We can hear
ordinary conversation at 50 dB but any sound above 120 dB is harmful.
Further, it has been found that prolonged noise at 95 dB will produce
deafness, nervous tension and rise in blood pressure. Noise increases
high blood pressure by increasing cholesterol level in the blood. Noise
leads to anxiety and stress.So, the correct answer is 'Nervous tension and increased blood pressure'.
Noise is undesired high level of sound that is measured in decibel (db).
The range of hearing in human beings is upto 120 dB. We can hear
ordinary conversation at 50 dB but any sound above 120 dB is harmful.
Further, it has been found that prolonged noise at 95 dB will produce
deafness, nervous tension and rise in blood pressure. Noise increases
high blood pressure by increasing cholesterol level in the blood. Noise
leads to anxiety and stress.
So, the correct answer is 'Nervous tension and increased blood pressure'.
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