What is the functional difference between veins and arteries?

The heart beat consists of two sounds, “Lub Dub”

What event is responsible for making the “Lub” sound?

What event is responsible for making the “Dub” sound?

Identify the Structure

What role does the autonomic nervous system play in heart rate?

Identify the Structure

5

Identify the Structure

What event does the P wave measure?

Identify the Heart Layer

When the SA node transmits a signal, which three structures are

directly affected?

Superficially to deep, identify the three layers of the heart.

10

What two structures prevent the AV valves from opening into the

atria?

Identify the Vein

What are the two structural differences between veins and

arteries?

What are small arteries called?

Identify the Structure

15

Identify the Artery

Identify the Artery

Gas exchange occurs in what type of blood vessels?

Identify the Structure

What are small veins called?

20

Which part of an EKG wave represents the pathway that begins

with the AV node and ends with ventricular contraction?

What valve separates the pulmonary trunk from the right

ventricle?

Identify the Structure

What is the next structure in this sequence?

Lungs Left Atrium

What is the name of the cardiac/nervous tissue causes the

ventricles to contract?

25

Identify the Structure

Identify the Vein

Identify the Structure

Identify the Vein

Identify the Artery

30

Identify the Structure

Identify the Structure

Identify the Structure

Identify the Artery

Identify the Vein

35