Dod Hearing Technician: Chapters 1-12 - Review Questions Questions And Answers 100% Verified A+ Guaranteed

What are the requirements for sound? a. Medium, source, receiver, sound pressure b. Decibels, pitch, time, duration c. Noise, vibration, compression, rarefraction d. Source of vibration, source of energy, medium, receiver {Ans: d}If your purpose of measuring sound is to get a "snapshot" of exposure at a work station, the best tool to use is: a. a tool that measures dB(C) exposure b. the decibel rule of thumb chart c. a dosimeter d. a sound level meter {Ans: d}The purpose of bracing the hand against the individual's cheek when performing the otoscopic exam is to: a. ensure the individual feels comfortable during the exam b. keep the individual from making sudden movements c. absorb any sudden head movement d. ensure the speculum follows the curve of the ear canal {Ans: c}Which is true about the characteristic of sound called "frequency"? a. It describes the loudness of a noise source b. It is measured in decibels c. It is measured in Hertz d. It is considered low when under 2000 Hz {Ans: c}Which of the following forms is used to document the baseline audiogram: a. DD 2217 b. DD 2215 c. Non-Hearing Conservation audiogram d. DD 2216