EKG-Certification Exam Review

Question 1

The ECG technician has now completed the ECG procedure. Following Standard Precautions, the ECG technician should

Accepted Answer

sanitize and disinfect reusable equipment and return it to storage.

Question 2

Called early repolarization, the Na+ channels close and calcium begins to enter the cell while K+ moves out of the cell.

Accepted Answer

Phase 1

Question 3

What is stroke volume?

Accepted Answer

The amount of blood pumped from the heart in one beat.

Question 4

In electrocardiography, the degrees of variation (horizontally and vertically) are known as the

Accepted Answer

time and amplitude.

Question 5

Physician has asked the ECG tech to obtain the patient's temp. What should be asked to ensure an accurate reading

Accepted Answer

If he/she recently ingested hot or cold food or beverages.

Question 6

Which of the following pieces of equipment should the ECG tech anticipate using when taking a patient's blood pressure?

Accepted Answer

Sphygmomanometer

Question 7

Two identifiers used to verify the patient's identity...

Accepted Answer

Name and Date of Birth

Question 8

Which of the following forms should the technician verify prior to leaving this message on the patient's voicemail?

Accepted Answer

HIPAA Confidentiality and Privacy

Question 9

An ECG is being performing on a patient who is talking, alert and oriented, but the printout shows V-fib. What's next?

Accepted Answer

Check connection of electrodes.

Question 10

To correct a wandering baseline, the ECG technician should

Accepted Answer

secure loose electrodes.

Question 11

While obtaining vitals on an infant, how is the heart rate measured?

Accepted Answer

Auscultate the apical pulse for 60 seconds.

Question 12

Which of the following instructions should be given to patients prior to stress testing?

Accepted Answer

Wear comfortable clothes, including athletic shoes.

Question 13

Ventricular pacemaker cells are found in the

Accepted Answer

Purkinje Fibers

Question 14

If the RA - LA sensors are reversed on a patient, the ECG will record a downward deflection in

Accepted Answer

Lead I

Question 15

What is the major and largest artery in the body?

Accepted Answer

Aorta

Question 16

An ECG on a patient with a total left arm amputation. How should the technician place the arm electrodes?

Accepted Answer

Put both the right and left on the torso, below the clavicle.

Question 17

What is it called when a person becomes lightheaded or even faints and the heart is beating too slowly?

Accepted Answer

Syncope

Question 18

An idioventricular rhythm has an absence of

Accepted Answer

P waves

Question 19

When performing a 12-lead ECG, which of the following positions demonstrates correct lead placement?

Accepted Answer

V4 is placed left midclavicular 5th intercostal space.

Question 20

A constant PRI that exceeds 0.20 seconds indicates

Accepted Answer

a first degree AV block.

Question 21

Which of the following is characterized by rapid incomplete contractions of the atria?

Accepted Answer

atrial fibrillation

Question 22

Which of the following should the ECG technician tell a patient who is preparing to wear a Holter monitor?

Accepted Answer

Avoid close contact with other electrical devices.

Question 23

Highest resistance or maximum pressure of blood vessels when heart contracts.

Accepted Answer

Systole

Question 24

A multiform of three PVCs in a heart rate above 100 is called

Accepted Answer

ventricular tachycardia.

Question 25

The time interval after ventricular depolarization and before ventricular repolarization is the

Accepted Answer

ST segment

Question 26

A cardiac cycle is detected on the ECG monitor, but the patient has no pulse. This is known as

Accepted Answer

PEA

Question 27

What type of diuretics is often used in emergencies when a person has evidence of fluid overload?

Accepted Answer

Loop

Question 28

Which of the following variations in ECG results is likely for patients with pacemakers ?

Accepted Answer

presence of a pacing spike

Question 29

What rhythm would be seen that indicates an absence of all electrical activity of the heart?

Accepted Answer

Pulseless Electrical Activity

Question 30

Which of the following is the most common lead used to evaluate components of the ECG strip?

Accepted Answer

Lead II

Question 31

What type of drugs can be administered to control irregular heartbeat, premature, and SVT or ventricular arrhythmias

Accepted Answer

Beta Blockers

Question 32

What hormone is responsible for regulating sodium and water balance in the body?

Accepted Answer

Angiotensin

Question 33

Reminding patients to refrain from talking and moving & keeping them warm during the ECG procedure help eliminate

Accepted Answer

a somatic tremor artifact.

Question 34

In right and left bundle block branch, you can have a disruption in one or both bundles at the same time?

Accepted Answer

True

Question 35

A T wave always follows the QRS Complex in a Normal Sinus Rhythm.

Accepted Answer

True

Question 36

During stress testing on a 50-year-old patient, which of the following is a reason for terminating the test?

Accepted Answer

A decrease in systolic blood pressure by 23 mmHg.

Question 37

All cardiac cells transmit and receive electrical impulses.

Accepted Answer

Conductivity

Question 38

When viewing an EKG and lead, where is the white electrode placed on the patient?

Accepted Answer

Right Arm

Question 39

Sinus tachycardia is a dysrhythmia originating from what pacemaker site in the heart?

Accepted Answer

SA node

Question 40

The SA node possess the highest level of automaticity. What is it's firing rate?

Accepted Answer

60-100

Question 41

EKG rhythm whose waves have a sawtooth appearance?

Accepted Answer

Atrial Flutter

Question 42

If a flat line appears in one of the leads of an ECG tracing the ECG technician should ensure that

Accepted Answer

all wires are connected to an electrode.

Question 43

To determine the quality of atrial activity, the ECG tech should examine which of the following portions

Accepted Answer

PR Interval

Question 44

Wenckebach is another term used for 2nd degree AV block Type I?

Accepted Answer

True

Question 45

The time from ventricular depolarization through repolarization is represented by the

Accepted Answer

QT interval.

Question 46

Proper electrode placement for continuous ECG monitoring is identified by the use of

Accepted Answer

3 leads placed on the patient's torso.

Question 47

How should a 38-year-old late term pregnant woman be positioned to reduce pressure on the IVC during an ECG?

Accepted Answer

Semi-Fowler's

Question 48

The patient asks the ECG tech why vital signs are taken at every office visit. Which is the best response?

Accepted Answer

"To obtain a baseline measurement of your overall health status."

Question 49

Term used to describe the electrical processes by which a depolarize cell returns to its polarized, resting state.

Accepted Answer

Repolarization

Question 50

Modified electrode placement is necessary for which of the following special circumstances?

Accepted Answer

Amputated limb

Question 51

Which of the following should be included in the medical history taken prior to an ECG?

Accepted Answer

Current Medications

Question 52

A patient with a blood pressure of 158/96 mm Hg is considered

Accepted Answer

hypertensive.

Question 53

An electrical conduction pathway that connects the upper and lower chambers of the heart.

Accepted Answer

Bundle of His

Question 54

Junctional rhythms are the result of

Accepted Answer

Electrical impulses coming from the AV junction rather than the SA node

Question 55

A cardiac cell’s unique ability to respond to electrical stimulus; also called irritability.

Accepted Answer

Excitability​

Question 56

A patient with dyspnea comes in for an ECG. Which position should the patient be placed for the procedure?

Accepted Answer

Semi-Fowler's

Question 57

What part of the EKG represents ventricular repolarization?

Accepted Answer

T wave

Question 58

During a stress test, the patient's blood pressure should be monitored and recorded every

Accepted Answer

2 ½ minutes.

Question 59

Which electrolyte's purpose is to transmit nerve impulses?

Accepted Answer

Sodium

Question 60

After validating an ECG order, collecting all supplies, and ensuring the machine is in proper working order, next step

Accepted Answer

identify the patient.

EKG-Certification Exam Review

Questions 60

EKG-Certification Exam Review

Questions 60