Free CCMA EKG Administration Questions and Answers 1

Question 1

Where is the V4 electrode placed for a standard 12-lead EKG?

Accepted Answer

5th intercostal space, midclavicular line

Answer

4th intercostal space, right sternal border

Answer

5th intercostal space, anterior axillary line

Answer

4th intercostal space, left sternal border

Question 2

What does the P wave on an EKG tracing represent?

Accepted Answer

Atrial depolarization

Answer

Ventricular depolarization

Answer

Ventricular repolarization

Answer

Atrial repolarization

Question 3

A wandering baseline artifact on an EKG is most likely caused by which of the following?

Accepted Answer

Poor electrode contact or patient movement

Answer

Patient shivering or muscle tremors

Answer

Interference from nearby electrical equipment

Answer

Incorrect paper speed setting

Question 4

What is the standard paper speed for an EKG machine?

Accepted Answer

25 mm/second

Answer

10 mm/second

Answer

50 mm/second

Answer

100 mm/second

Question 5

Which instruction is most appropriate for a patient undergoing a routine EKG?

Accepted Answer

Lie still and try not to talk or move.

Answer

Hold your breath for 30 seconds.

Answer

Pump your fists to improve circulation.

Answer

Take several deep, rapid breaths.

Question 6

A key characteristic of atrial fibrillation on an EKG tracing is:

Accepted Answer

An irregularly irregular rhythm with no clear P waves

Answer

A regular rhythm with a rate of 40 bpm

Answer

A 'sawtooth' pattern of P waves

Answer

A wide QRS complex with a regular rhythm