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NHA CERTIFIED EKG TECHNICIAN |ACTUAL QUESTIONS AND VERIFIED ANSWERS NEWEST UPDATE|GRADED A+

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NHA CERTIFIED EKG TECHNICIAN |ACTUAL QUESTIONS AND VERIFIED ANSWERS NEWEST UPDATE|GRADED A+

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Question 1

What is the primary pacemaker?

CORRECT ANSWER

SA Node




Question 2

What is a more medically correct term for the clotting of an artery?
CORRECT ANSWER

Occlusion




Question 3

When the Atria depolarize (or contract), what is shown on the EKG tracing?

CORRECT ANSWER

P wave




Question 4

An irregular heartbeat that is common among children is called _____ _____.

CORRECT ANSWER

Sinus Arrhythmia



1
@THE STUDY VAULT

,Question 5

1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this represented in
millimeters?

CORRECT ANSWER

1 mm




Question 6

What is the term used to described the amount of blood pumped by the heart per
minute?

CORRECT ANSWER

Cardiac output




Question 7

Leads I to III are collectively known as

CORRECT ANSWER

Standard leads




Question 8

Leads V1 to V6 are collectively known as

CORRECT ANSWER

Precordial leads




2
@THE STUDY VAULT

,Question 9

What is the main artery in the arterial system
CORRECT ANSWER

Aorta




Question 10

aVr, aVl, and aVf are known as

CORRECT ANSWER

Augmented leads




Question 11

Leg electrodes are only used for?

CORRECT ANSWER

grounding




Question 12

What is the main vein in the venous system?

CORRECT ANSWER

Superior vena cava




Question 13

The mitral valve is also known as
CORRECT ANSWER


3
@THE STUDY VAULT

, bicuspid valve




Question 14

When the ventricles depolarizes (contracts), what is shown on the EKG tracing

CORRECT ANSWER

QRS complex




Question 15

The Angle of Louis provides the LOCATION for which intercostal space

CORRECT ANSWER

2nd




Question 16

When clotting reduces oxygen supply to a region of the heart it is known as _____.

CORRECT ANSWER

Ischemia




Question 17

When the Atria repolarize (or are at rest), what is shown on the EKG tracing?
CORRECT ANSWER

PR segment




4
@THE STUDY VAULT

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