CET EKG Technician Roles and Responsibilities 3

Question 1

What is the correct lead placement site for the V1 electrode in a standard 12-lead EKG?

Accepted Answer

4th intercostal space, right sternal border

Answer

4th intercostal space, left sternal border

Answer

5th intercostal space, midclavicular line

Answer

2nd intercostal space, right sternal border

Question 2

Which document guides an EKG technician's daily scope of practice and professional conduct?

Accepted Answer

State practice act and the employer's policies and procedures

Answer

The hospital's fire safety plan

Answer

The national formulary for cardiac drugs

Answer

The technician's personal clinical experience

Question 3

During a 12-lead EKG, a technician observes that lead II shows a flat line while other leads appear normal. The most likely cause is:

Accepted Answer

A detached or faulty RA or LL electrode

Answer

A cardiac arrest in progress

Answer

Ventricular fibrillation artifact

Answer

Pacemaker oversensing

Question 4

Which of the following tasks is OUTSIDE the scope of practice for a certified EKG technician?

Accepted Answer

Diagnosing atrial fibrillation from the rhythm strip

Answer

Applying electrodes to the correct anatomical sites

Answer

Performing a Holter monitor hookup

Answer

Entering patient demographics into the EKG machine

Question 5

What is the purpose of the standardization mark (calibration pulse) on an EKG tracing?

Accepted Answer

To confirm that 1 mV of input produces a 10 mm deflection

Answer

To identify the patient's name and ID on the printout

Answer

To set the paper speed to 25 mm/sec

Answer

To reset the lead selector to Lead I

Question 6

An EKG technician is asked to perform a test on a patient who speaks no English. The best approach is to:

Accepted Answer

Use a qualified interpreter or translation service to obtain informed cooperation

Answer

Proceed without explanation since the procedure is noninvasive

Answer

Ask a family member to translate all clinical instructions

Answer

Use hand gestures only and skip verbal explanation

Question 7

Which action best demonstrates an EKG technician's commitment to patient dignity?

Accepted Answer

Exposing only the necessary areas and draping the patient appropriately

Answer

Leaving the door open to monitor the patient during the procedure

Answer

Discussing the patient's history with coworkers in the hallway

Answer

Removing all clothing before electrode placement for efficiency