American Allied Health EKG Technician Certification Exam

Who developed the first EKG?

William Einthoven

The electrical impulses are delivered to the ventricles by way of the:

Purkinje Fibers

Another name for the S-A node is:

Pacemaker

The presence or development of a blood clot inside a blood vessel is called:

Thrombosis

How many chambers does the heart have?

4

An aneurysm is a sack formed by an out-pocketing of a portion of a(n):

Venous wall & Arterial wall

Stroke volume multiplied by the number of beats per minute is the formula for:

Cardiac output

An agonal rhythm indicates a:

Dying heart

The average number of heart contractions per minute is:

60-100

Which of the following can be a cause for the hardening of arteries?

Formation of plaque

The first machine used for EKG was called a(n):

String galvanometer

Angina pectoris is a(n):

Ischemia of myocardium and chest pain

In a sinus arrhythmia, the rhythm will be:

irregular

The customary way to identify an inpatient is:

Examining the wristbrand

On EKG paper, one small box represents:

.04 sec and 1 mm

The PR segment represents:

Delay at the AV node

Blood entering the right atrium is:

Deoxygenated

EKG graph paper can be used to measure:

Amplitude, voltage, and time

Which system affects the atria, ventricles, and valves?

Cardiovascular system

Normal adult axillary temperature is:

97.6

AHA is the abbreviation for

American Heart Association

Swelling due to fluid build up in the tissues is called:

Edema

The upper chambers of the heart are called:

Atria

The following are symptoms of decreased cardiac output:

Cold, Clammy skin, Change in color, Dyspnea and fatigue

The bicuspid valve is also called the:

Mitral valve

Tachycardia is:

Faster than 100 beats per minute

The interior lining of the heart is called the:

Endocardium

A Holter monitor is used to diagnose:

Cardiac rhythm & Conduction abnormalities

Three electrolytes that play an important role in cardiac conduction include:

Potassium, Calcium, and Sodium

A 12 lead ECG provides views from which 2 planes?

Frontal and horizontal

What do muscle cells need in order to contract?

Calcium

The normal PRI should measure between:

0.12 to 0.20 sec

Systolic pressure occurs when the ventricles are:

Contracting

The heart rate is influenced by the:

Autonomic nervous system

PVC's originate in the:

ventricles

Disorders(s) related to inadequate blood supply include:

Angina pectoris & MI

The primary pacemaker of the heart is the:

SA node

Patient ductus arteriosus is a:

Congenital disorder

The pericardium is:

c) The double-walled sac that encloses the heart

Where are Beta-1 receptors located?

The heart

Which of the following are the Atrioventricular (AV) valves?

Tricuspid and mitral

The T waves represents:

Ventricular repolarization

Ventricular rate and rhythm are determined by measuring from:

R wave to R wave

The definition of syncope is:

Loss of consciousness

The P wave represents:

Atrial depolarization

Where is lead 1 positive (+) placed?

Left arm

The epicardium is:

The outermost layer of the heart

In first degree heart block, the PRI is:

Greater than 0.2 seconds

Which of the following is considered a prolonged PR interval?

0.24 second

In second-degree AV block with 2:1 conduction, the PR interval:

lengthens

What is responsible for separating the right and left ventricle:

Intraventricular septum

The mediastinum is:

The space between the lungs in the middle of the chest

The function of the AV node is to:

Delay the electrical signal to the Purkinje fibers

Depolarization of ventricles is a:

QRS complex

Depolarization of the atria is a:

P wave

Repolarization of ventricles is a:

T wave

Both depolarization and repolarization of the ventricles is a:

QT Wave

A chaotic electrical activity with waveforms varying in size and shape is a(n):

Ventricular Fibrillation

A regular rate and rhythm at 100-200 beats/minute is a(n):

Ventricular Tachycardia

Complete absence of ventricular electrical activity is a(n):

Asystole

A premature beat with a wide-notched QRS is a(n):

PVC

The correct term that refers to an ectopic site in the atria stimulates a premature contraction before the SA node can act is:

PAC

The correct term that refers to a rapid abnormal rhythm from an ectopic site in the atria with a rapid onset is:

PAT

The correct term that refers to the atria contracting at an extremely rapid rate of 300 beats/minute is:

Atrial Flutter

The correct term that refers to the atrial activity as rapid and chaotic is:

Atrial Fibrillation

A dysrhythmia is best defined as:

An alteration in the normal heart rhythm

Which of the following terms means a condition in which the heart is unable to pump out all of the blood that is returned to it, causing a backing up of blood in the vein leading to the heart?

Congestive Heart Failure

A sinus rhythm at a rate of 48 would be considered:

Bradycardia

Which structures maintain the control of blood flowing through the heart?

Valves

Impulses from the AV node go through the __ to the right and left bundle branches.

Bundle of His

When a site speeds up and takes over as the pacemaker, it is referred to as:

Ectopic pacemaker

There are five small squares between the bold lines on the graph paper. What is the length of time it takes to cross one small square?

0.04 seconds

A junctional tachycardia is:

Regular

Rhythms that originate in the AV junction include:

PJC, Accelerated junctional rhythm, Junctional tachycardia

The QRS measurement for a PAC should be:

Less than 0.12 seconds

What is the rate range for junctional tachycardia?

100-180

The atrial rate in atrial fibrillation is:

More than 350 bpm

Wenckebach is characterized by increasingly long PRI's followed by a P wave.

Blocked

Which of the following small waves sometimes appears between the T wave and the P wave?

U wave

Normally a complete ECG consists of how many leads?

12

When you have more than one premature beat that appears identical, they are called:

Unifocal

When you have more than one premature beat that are of a different kind, they are called:

Multifocal

The segment representing the period of time from the end of the P wave to the onset of the QRS complex is the:

P-R segment

Electrode contact can be improved by:

Shaving the hair, Cleaning or drying the skin, and Using a contact medium

Defibrillation is a:

Shock to the heart to stop the heart and Shock to the heart to change the hearts rhythm

Artifact can be caused by:

Alternating current, Patient movement, Poorly applied or dirty sensors

A straight line on the ECG strip produced by the stylus when the EKG isn't connected to the patient is called:

Isoelectric line

A QRS measurement of less than _ seconds indicates a supraventricular pacemaker.

0.12

When the atria and ventricles are seen to be beating independently it is called:

Third-degree heart block

The single most important thing you can do to prevent the spread of infection is:

Wash your hands

A regular rhythm with a normal rate is a:

Normal Sinus Rhythm

A rhythm with regular P-P and R-R intervals, a normal P wave before each QRS complex, and a rate below 60 beats per minute would most likely be:

Sinus Bradycardia

A rhythm that is normal in every respect with a rate of 101-180 beats per minute is called:

Sinus Tachycardia

In atrial tachycardia, the atrial rate can be as low as:

100-150 bpm

A regular rhythm with a rate of 100-250 beats per minute would most likely be:

Atrial Tachycardia

The inherent rate for the SA node is:

60-100 bpm

The inherent rate for the AV junction is:

40-60 bpm

Leads II, III AVF view which portion of the heart?

Inferior

Leads V1 and V2 view which portion of the heart?

Septal

Leads V3 and V4 view which portion of the heart?

Anterior