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Heart Valve Worksheet

Authored by smdancer 1

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Heart Valve Worksheet
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24 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the electrocardiogram/phonocardiogram below, the 1st sound – lub – is heard to what event taking place?

pectinate muscle contraction

SL valve closure

AV valve closure

Chordae tendinae detachment

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Refer to the diagram of the heart and the electrical signal pathway. What is the function of the SA node?

It pumps blood to the lungs

It initiates the electrical signal that controls the heartbeat

It receives oxygenated blood from the lungs

It closes the heart valves

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Refer to the diagram of the heart. The electrical signal pathway starts at the _________?

SA node

AV node

Bundle of His

Purkinje fibers

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Refer to the Normal EKG graph. What does the EKG measure?

Blood pressure

Electrical activity of the heart

Oxygen levels in the blood

Heart valve function

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The P wave corresponds with .

ventricular repolarization

atrial repolarization

atrial depolarization

ventricular depolarization

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which part of the heart is responsible for initiating the electrical signal?

A) Atria

B) SA node

C) Ventricle

D) Electrical signal pathway

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Refer to the diagram of the heart labeled 'Electrocardiogram (EKG)'. The electrical signal travels through the ________ to coordinate the heartbeat.

Electrical signal pathway

Pulmonary artery

Left ventricle

Aortic valve

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