CET CET Equipment Operation and Maintenance 2

Question 1

An EKG machine displays a 'lead fault' or 'lead off' message. What is the MOST likely cause?

Accepted Answer

An electrode has detached or has poor skin contact

Answer

The paper speed is set incorrectly

Answer

The machine needs recalibration

Answer

The filter is set too high

Question 2

What does a 'wandering baseline' artifact on a rhythm strip most commonly indicate regarding equipment?

Accepted Answer

The electrode has degraded or lost contact with the skin

Answer

The lead wire is broken internally

Answer

The machine filter is off

Answer

The paper speed is too fast

Question 3

When transporting a portable EKG machine between patient rooms, the technician should:

Accepted Answer

Coil and secure lead wires loosely to prevent wire damage and tripping hazards

Answer

Drape lead wires over the machine handles for convenience

Answer

Leave the machine plugged in and push it while the cord drags

Answer

Store electrodes on the machine cart without packaging

Question 4

A technician notices the EKG paper has a pink tint at the edges, indicating it is about to run out. The correct action is to:

Accepted Answer

Replace the paper roll before the next patient recording

Answer

Continue recording and note the issue in the chart

Answer

Photocopy the partial tracing and attach it to the chart

Answer

Reduce paper speed to extend the remaining paper

Question 5

Which type of EKG paper is used in most modern electrocardiographs?

Accepted Answer

Thermal (heat-sensitive) paper

Answer

Photosensitive paper

Answer

Carbon-copy paper

Answer

Inkjet-printed paper

Question 6

When should an EKG technician perform a daily equipment check on the machine?

Accepted Answer

At the start of each shift before the first patient

Answer

Only when a quality issue is reported

Answer

Weekly during biomedical rounds

Answer

Before each individual EKG recording