Which statement is correct concerning overexposure of frequency noise?
a. Overexposure to high frequency noise causes more significant hearing loss
than low frequency noise of the same intensity.
b. During initial exposure, most of the hearing impairment is in the frequency
range above those important to the understanding of speech.
Detection of losses in these ranges is important, and possible danger signs of
further potential hearing loss.
d. Continued exposure will lead to progressively greater damage, including loss
of the speech frequencies, which if allowed to reach an advanced stage, will
cause a severe handicap.
e. All of the above.
What are the other physiological effects that can be produced by excessive
exposure to noise?
a. Nausea and headaches.
b. Reflex responses will change.
a and b.
d. Pure-tone will change.
Psychological stress factors to noise may also be manifested in the form of:
a. Fatigue, inability to function, and annoyance and distraction.
b. Fatigue, acceptance of distraction, and inability to function.
Annoyance and distraction, mental reservation, and fatigue.
d. Inability to function, chemical imbalances, and irritability.