EDT Device Setup & Operation

Question 1

What is the first step when setting up an EMG machine?

Accepted Answer

Verify grounding and power connections

Answer

Insert electrode needles

Answer

Select waveform display

Answer

Adjust audio output

Question 2

Which setting determines the frequency range of detected signals?

Accepted Answer

Filter

Answer

Gain

Answer

Sensitivity

Answer

Sweep speed

Question 3

Why is calibration of EDX equipment important?

Accepted Answer

Ensures diagnostic accuracy

Answer

Enhances audio output

Answer

Creates colorful displays

Answer

Minimizes electrode use

Question 4

Which control adjusts the amplitude of the signal displayed on-screen?

Accepted Answer

Gain

Answer

Filter

Answer

Time base

Answer

Display contrast

Question 5

What is the function of the sweep speed setting?

Accepted Answer

Time axis adjustment

Answer

Volume control

Answer

Gain enhancer

Answer

Electrical resistance limiter

Question 6

Why must electrode impedance be checked before testing?

Accepted Answer

To ensure clear and accurate signal acquisition

Answer

To increase signal noise

Answer

To improve display resolution

Answer

To equalize muscle tone