Which of the Following Is Used Primarily for Two-Way Voice

question 24

Multiple Choice

Which of the following is used primarily for two-way voice communication rather than entertainment?

• A)Wideband FM
• B)Guard bands
• C)Narrowband FM (NBFM) systems
• D)Specialized mobile radios (SMRs)

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Definitions:

Pure Tone Audiometry

A hearing test that uses sinusoidal tones of specific frequencies to determine an individual's hearing thresholds.

Tympanometry

A diagnostic test that measures the movement of the eardrum in response to changes in air pressure, assessing middle ear function.

Ossicle

Small bones, particularly referring to the three bones found in the middle ear: the malleus, incus, and stapes.

Otoscopy

A medical examination technique that involves looking inside the ear using an instrument called an otoscope.