CHAPTER 46 QUIZ (MDA 142) | QUESTIONS AND
ANSWERS | 2026 UPDATE | 100% CORRECT
When placing the ECG electrodes on a patient's lower leg, the connectors
should point: Answer - up
Atrial fibrillation: Answer - produces a heart rate that ranges from 400 to 500
BPM
If the ECG tracing is too large, the sensitivity dial should be turned down to ½
to produce a standardization mark: Answer - 5 mm high and 2 mm wide
Which ECG lead records the voltage difference between the left arm and the
left leg? Answer - lead III
ECG paper for single-channel machines comes in which form? Answer - roll
The ECG tracing is generated in about ____ on a single 8 × 10 sheet of ECG
paper. Answer - 1 minute
Who interprets an ECG? Answer - provider
When using a Holter monitor, the ECG electrodes are attached to a patient's:
Answer - chest wall
ANSWERS | 2026 UPDATE | 100% CORRECT
When placing the ECG electrodes on a patient's lower leg, the connectors
should point: Answer - up
Atrial fibrillation: Answer - produces a heart rate that ranges from 400 to 500
BPM
If the ECG tracing is too large, the sensitivity dial should be turned down to ½
to produce a standardization mark: Answer - 5 mm high and 2 mm wide
Which ECG lead records the voltage difference between the left arm and the
left leg? Answer - lead III
ECG paper for single-channel machines comes in which form? Answer - roll
The ECG tracing is generated in about ____ on a single 8 × 10 sheet of ECG
paper. Answer - 1 minute
Who interprets an ECG? Answer - provider
When using a Holter monitor, the ECG electrodes are attached to a patient's:
Answer - chest wall
