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The Circulatory System

Total questions: 26

Worksheet time: 15mins

Name
Class
Date
1.

The AV node generates electrical impulses which cause the atria to contraction.

a)

True

b)

False

2.

Identify the major blood vessel that transports oxygen to the heart.

a)

Pulmonary Vein

b)

Pulmonary Artery

c)

Aorta

d)

Vena Cava

3.

Identify the two circuits in the circulatory system.

a)

Open

b)

Pulmonary

c)

Closed

d)

Systemic

4.

A pulse is the rhythmic expansion of an artery

a)

True

b)

False

5.

The AV node is located in the septum close to the tricuspid valve.

a)

True

b)

False

6.

What vein transports blood out of the muscle of the heart?

a)

Coronary Vein

b)

Pulmonary Artery

c)

Pulmonary Vein

d)

Vena Cava

7.

The front side of the heart is also known as....

a)

Dorsal

b)

Ventral

8.

Which of the following veins has capillaries at both ends?

a)

Pulmonary Veins

b)

Renal Veins

c)

Hepatic Portal Veins

d)

Vena Cava

9.

The tricuspid valve separates....

a)

The left and right atrium

b)

The right atrium and right ventricle

c)

The left and right side of the heart

d)

The left atrium and left ventricle

10.

Which of the following veins contains very little carbon dioxide?

a)

Pulmonary Vein

b)

Vena Cava

c)

Renal Vein

d)

Hepatic Portal Vein

11.

High carbon dioxide levels in the blood triggers faster breathing.

a)

True

b)

False

12.

State the precise location of the SA node in the heart

a)

Right Ventricle

b)

Left Ventricle

c)

Top Wall of Left Atrium

d)

Top Wall of Right Atrium

13.

Blood moves by the muscles contracting in....

a)

Capillaries

b)

Arteries

c)

Arteries and Veins

d)

Veins

14.

What vein brings blood away from the kidney?

a)

Vena Cava

b)

Hepatic Portal Vein

c)

Renal

d)

Pulmonary

15.

Where is the origin of the coronary artery?

a)

Aorta

b)

Pulmonary Artery

c)

Pulmonary Vein

d)

Vena Cava

16.

Pick two possible answers. Atrial systole is when the...

a)

Atria relax

b)

Ventricles relax

c)

Atria contract

d)

Ventricles contract

17.

Which part of the heart has the thickest wall?

a)

Left Ventricle

b)

Right Atrium

c)

Left Atrium

d)

Right Ventricle

18.

Which of these best describes the structure of an artery?

a)

Small lumen with valves

b)

Small lumen and thick walls

c)

No valves and walls one cell thick

d)

Wide lumen and thin walls

19.

What is the average resting human heart heart rate?

a)

100

b)

53

c)

72

d)

88

20.

Where is the arrow in the image pointing to?

a)

Pulmonary Vein

b)

Pulmonary Artery

c)

Aorta

d)

Vena Cava

21.

Where is the arrow in the image pointing to?

a)

Left Atrium

b)

Right Atrium

c)

Left Ventricle

d)

Right Ventricle

22.

What two of the following best explains the term deoxygenated?

a)

Oxygen Rich

b)

Carbon Dioxide Rich

c)

Oxygen Poor

d)

Carbon Dioxide Poor

23.

How many chambers does the heart have?

a)

2

b)

4

c)

8

d)

1

24.

What blood vessel carries blood to the heart?

a)

Veins

b)

Capillaries

c)

Arterioles

d)

Arteries

25.

The smallest type of blood vessel is the....

a)

Venules

b)

Vein

c)

Capillary

d)

Artery

26.

What type of muscle is the heart made from?

a)

Smooth Muscle

b)

Skeletal Muscle

c)

Cardiac Muscle