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ECG Basics

Authored by M.Parthiban Munuswamy

Other

University

Used 2+ times

ECG Basics
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15 questions

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1.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

What is the main function of the cardiac conduction system?

Digest food

Control body temperature

Regulate blood pressure

Regulate the heart's rhythm and coordinate the contraction of heart chambers.

2.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Which part of the heart is known as the pacemaker?

sinoatrial (SA) node

ventricles node

heartstrings

atrioventricular (AV) node

3.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

What does the P wave represent in an ECG waveform?

Atrial depolarization

Ventricular depolarization

Atrial repolarization

Ventricular repolarization

4.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

What does the QRS complex represent in an ECG waveform?

AV node delay

Atrial repolarization

Ventricular depolarization

SA node firing

5.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Which lead is commonly used to monitor the heart's electrical activity?

Lead III

Lead IV

Lead V

Lead II

6.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Where is the positive electrode placed in Lead I?

Left leg (LL)

Right leg (RL)

Right arm (RA)

Left arm (LA)

7.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

What does a prolonged PR interval indicate in an ECG?

Delayed conduction through the AV node

Normal heart conduction

Increased heart rate

Low blood pressure

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