Cardiac Conduction System Quiz

Cardiac Conduction System Quiz

11th Grade

15 Qs

quiz-placeholder

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Cardiac Conduction System Quiz

Cardiac Conduction System Quiz

Assessment

Interactive Video

Other

11th Grade

Practice Problem

Medium

Created by

Rhea Gentry

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What initiates muscle contraction in the heart?

Constant positive charge

Negative to positive charge conversion

Positive to negative charge conversion

Constant negative charge

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does depolarization in the heart muscle cells cause?

Decreased heart rate

No change

Contraction

Relaxation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the sinoatrial node?

To pump blood through the heart

To act as the heart's pacemaker

To conduct electrical signals to the brain

To generate a negative charge

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes the atria to contract?

Repolarization of the atria

Depolarization of the AV node

Repolarization of the ventricles

Depolarization of the SA node

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a positive deflection on an ECG indicate?

No change in electrical activity

Positive charge moving away from the lead

Negative charge moving towards the lead

Positive charge moving towards the lead

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the flat line on an ECG represent?

The heart is at rest

Atrial depolarization

Ventricular depolarization

No electrical activity

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the atrioventricular node do?

It immediately sends the signal to the ventricles

It pauses the electrical signal for about 0.2 seconds

It decreases the heart rate

It stops the heart's electrical activity

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