Certified Prevention Specialist CPS Practice Exam

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What is the term for the physiological transference of sound waves into auditory nerve impulses?

a. Noise
b. Listening
c. Hearing
d. Message

The correct answer is: c. Hearing

The correct answer is hearing. Hearing is the process by which sound waves are transformed into electrical signals (auditory nerve impulses) that the brain can interpret. This involves the anatomy of the ear, where sound waves enter the ear canal, vibrate the eardrum, and are transmitted through the ossicles to the cochlea. Inside the cochlea, the sound waves are converted into nerve impulses that travel to the brain, allowing us to perceive sound. The other terms do not accurately describe this physiological process. Noise refers to a type of sound that is often unpleasant or disruptive, but it doesn't encompass the whole process of auditory perception. Listening involves actively paying attention to sounds and interpreting their meaning, which is a cognitive process rather than a physiological one. Message typically refers to the content or information being conveyed, not the mechanism of how sound is converted into nerve impulses. Thus, hearing specifically describes the physiological transformation that occurs in response to sound waves.