Certified Transport Registered Nurse Certification Practice Exam

What does the abbreviation FM stand for in radio communication?

1. Frequency modulation

2. Fast modulation

3. Field modulation

4. Frequency management

The correct answer is: Frequency modulation

The abbreviation FM stands for Frequency Modulation. This term is widely used in radio communication to refer to a method of encoding information in a carrier wave by varying its frequency. In FM, the amplitude of the signal remains constant while the frequency changes, which allows for more efficient transmission of information and better resistance to noise and interference compared to amplitude modulation (AM). This technique is particularly important in broadcasting, as it enhances the quality of audio signals transmitted over the airwaves. By using frequency modulation, radio stations can provide clearer and more reliable sound, which is crucial for music and speech. Understanding FM as Frequency Modulation is essential for transport registered nurses who may require this knowledge while working in environments where communication equipment is used for coordination and efficiency in patient transport and care.