Paramedics Exam EMS Communications 2

Question 1

Which FCC-designated frequency band is most commonly used for EMS simplex operations in the United States?

Accepted Answer

VHF high band (150–174 MHz)

Answer

VHF high band (150–174 MHz) is the most widely used frequency range for simplex EMS communications in the US.

Question 2

When transmitting a patient report to the receiving hospital, the paramedic should identify themselves by which of the following first?

Accepted Answer

Unit identifier and level of care

Answer

The unit identifier and level of care (ALS/BLS) are announced first so the hospital can route the call to the appropriate personnel.

Question 3

A paramedic uses a repeater system. What is the primary advantage of this configuration?

Accepted Answer

Extends the communication range beyond line-of-sight limitations

Answer

Repeaters receive a signal on one frequency and retransmit it on another at higher power, extending range beyond line-of-sight limits.

Question 4

Which term describes the condition where two units transmit simultaneously on the same frequency, making both transmissions unreadable?

Accepted Answer

Doubling

Answer

Doubling (also called 'walking on each other') occurs when two units transmit at the same time, causing mutual interference.

Question 5

Under HIPAA regulations, a paramedic transmitting a patient report over the radio should:

Accepted Answer

Avoid using the patient's name whenever possible

Answer

Radio transmissions are not fully secure, so paramedics should avoid using the patient's name and minimize protected health information.

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