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Cardiovascular System

Total questions: 68

Worksheet time: 37mins

Name
Class
Date
1.

___ takes place when blood travels from the heart, through the lungs, and back to the heart.

a)

pulmonary circulation

b)

systemic circulation

2.

___ takes place when oxygen-rich blood travels to all body tissues except the lungs.

a)

pulmonary circulation

b)

systemic circulation

3.

What prevents blood from flowing back into the atria when the ventricles contract?

a)

semilunar valves

b)

sinoatrial node

c)

atrioventricular node

d)

tricuspid and bicuspid valves

4.

When blood leaves this chamber of the heart, it heads out to the body through the aortic semilunar valve and then the aorta.

a)

left atrium

b)

right atrium

c)

left ventricle

d)

right ventricle

5.

One of the body's largest blood vessels that transports blood from the body region below the diaphragm to the heart

a)

superior vena cava

b)

inferior vena cava

c)

pulmonary trunk

d)

pulmonary veins

6.

When this chamber contracts, it pushes blood through the tricuspid valve

a)

right atria

b)

right ventricle

c)

left atria

d)

left ventricle

7.

This initiates the action potential that causes the heart to beat

a)

Inferior vena cava

b)

Atrioventricular node (AV node)

c)

Superior vena cava

d)

Sinoatrial node (SA node)

8.

This is responsible for distributing electrical impulses through the heart

a)

Atrioventricular node

b)

Sinoatrial node

c)

Inferior vena cava

d)

Superior vena cava

9.

This blood vessel splits in two and sends oxygen-poor blood away from the heart and to the lungs

a)

aorta

b)

pulmonary veins

c)

superior vena cava

d)

pulmonary trunk

10.

This chamber of the heart receives oxygenated blood from the lungs

a)

right atrium

b)

right ventricle

c)

left atrium

d)

left ventricle

11.

These are the smallest blood vessels with the thinnest walls in order to maximize diffusion of nutrients in and out of the interstitial fluid

a)

arteries

b)

veins

c)

capillaries

d)

aorta

12.

Which best explains why capillary walls are so thin?

a)

because they do not need to pump blood

b)

because they are found only in the smallest organs and tissues

c)

because they maximize diffusion of nutrients

d)

because blood only travels through them slowly

13.

These carry blood towards the heart

a)

arteries

b)

veins

14.

These carry blood away from the heart

a)

Arteries

b)

Veins

15.

Blood traveling through the pulmonary circuit goes through the right side of the heart and out to the _______

a)

left side of the heart

b)

body

c)

lungs

d)

tricuspid valve

16.

Why is coronary circulation necessary?

a)

because blood needs to be pushed throughout the entire body

b)

because the heart itself needs nourishment

c)

because the scalp requires an exceptional amount of nourishment

17.

Blood in capillary beds flows from

a)

arteries to veins

b)

veins to arteries

18.
Which part of the heart is this?
a)
Aorta
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
19.
Which part of the heart is this?
a)
Aorta
b)
Pumonary Vein
c)
Pulmonary Artery
d)
Left Atrium
20.
Which part of the heart is this?
a)
Pulmonary Vein
b)
Pulmonary Artery
c)
Right Atrium
d)
Tricuspid Valve
21.
During the Cardiac Cycle, Ventricular systole is when what happens?
a)
The Left Ventricle contracts
b)
When the Right Ventricle contracts
c)
When the Atria contract
d)
When both Ventricles contract
22.
During the Cardiac Cycle the diastole phase is when?
a)
The heart is fully contracted
b)
The heart is fully relaxed
c)
When the atria are relaxed and Ventricles contracted
d)
All of the above
23.
The number of times the heart Ventricles beat in one minute is known as?
a)
Heart Rate
b)
Stroke Volume
c)
Cardiac Output
24.
The volume of blood ejected each time a Ventricle contracts is known as?
a)
Heart Rate
b)
Stroke Volume
c)
Cardiac Output
25.

Which of the following is NOT a function of the cardiovascular system?

a)

Transport Oxygen and Carbon Dioxide to and from the respiratory system

b)

Transport nutrients and waste to and from the digestive system

c)

Break down food into nutrients for the body

d)

Maintain homeostasis by regulating body temperature

26.

The double walled sac that surrounds the heart is called the:

a)

Arteries

b)

Valves

c)

Pericardium

d)

Chambers

27.

What type of blood do the Vena Cava carry?

a)

Oxygenated

b)

Deoxygenated

28.

What type of blood travels through the aorta?

a)

Oxygenated

b)

Deoxygenated

29.

These blood cells protect from infections:

a)

Red Blood Cells

b)

White Blood Cells

c)

Plasma

d)

Platelets

30.

These lower chambers of the heart pump blood out to the body through arteries:

a)

Ventricles

b)

Atrium

c)

Vena cava

d)

Aorta

31.
Which is the muscular wall that separates the heart into right and left sides?
a)
valves
b)
ventricles
c)
atria
d)
septum
32.
An electrocardiogram measures what?
a)
The amount of pressure exerted on blood vessels.
b)
The electrical activity of the heart.
c)
How many times the heart contracts over time.
d)
The body's temperature caused by friction of blood in vessel.
33.
Which of the following is not a direct indicator of a person's cardiac health?
a)
Heart Rate
b)
Blood Pressure
c)
EKG
d)
Temperature 
34.
Abnormal or unusual heart sounds.
a)
Congestive heart failure (CHF)
b)
Heart murmurs
c)
Bradycardia
d)
Tachycardia
35.

What is the side of the adult heart?

a)

size of an apple

b)

size of a pillow

c)

size of a pea

d)

size of a large fist

36.

What part of the heart divides the heart into two?

a)

Biscuspid valve

b)

Septum

c)

Pulmonary artery

d)

bicep

37.

The relaxing of the heart is known as

a)

Diastole

b)

Systole

c)

Heart Rate

d)

Cardiac Arrest

38.

Blood consists mainly of:

a)

Plasma

b)

Platelets

c)

White blood cells

d)

Red blood cells

39.

Vasodilation can be defined as:

a)

A process in which blood vessels constrict causing a decrease in blood flow

b)

A process in which blood vessels increase their diameter causing an increase in blood flow

c)

A process in which blood vessels constrict causing an increase in blood flow

d)

A process in which blood vessels increase their diameter causing a decrease in blood flow

40.

Types of cells in the blood that causes blood clots to form

a)

Platelets

b)

Blood

c)

Plasma

d)

Hemoglobin

e)

White blood cells

41.

The oxygen-carrying protein in blood

a)

Platelets

b)

Blood

c)

Plasma

d)

Hemoglobin

e)

White Blood Cells

42.

The top two chambers of the heart

a)

Pulmonary Cirvulation

b)

Valves

c)

Atria

d)

Ventricles

e)

Septum

43.
1?
a)
Right Ventricle
b)
Right Pulmonary Vein
c)
Superior Vena Cava
d)
Inferior Vena Cava
44.
6?
a)
Left Ventricle
b)
Left Pulmonary Artery
c)
Left Pulmonary Vein
d)
Aorta
45.
4?
a)
Tricuspid Valve
b)
Mitrial Valve
c)
Aortic Valve
d)
Pulmonary Valve
46.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
47.
How many chambers does the heart have?
a)
1
b)
2
c)
3
d)
4
48.
The valves between the atria and ventricles are known as the ________ valves.
a)
atrioventricular
b)
aortic
c)
semilunar
d)
pulmonary
49.
These have valves that prevent backflow of blood
a)
arteries
b)
veins
c)
arterioles
d)
capillaries
50.

Your heart is an involuntary muscle that is always working.

a)

True

b)

False

51.

The heart is made of which of the following types of muscles?

a)

Cardiac muscle

b)

Striated muscle

c)

Smooth muscle

d)

None of the above

52.

Your heart always pumps at the same rate.

a)

True

b)

False

53.

The AV valve on the right side is called the

a)

tricuspid valve

b)

bicuspid valve

c)

pulmonary valve

d)

aortic valve

54.

The valve that regulates blood to the lungs is called

a)

aortic

b)

tricuspid

c)

bicuspid

d)

pulmonary

55.

Which one of these valves is a semilunar valve?

a)

tricuspid

b)

bicuspid

c)

aortic

d)

atrium

56.

Which of these valves is on the left side of the heart?

a)

tricuspid

b)

atrium

c)

bicuspid

d)

ventricle

57.
The arrow indicates the 
a)
Left ventricle
b)
Pulmonary artery
c)
Right atrium
d)
Pulmonary veins
58.
The arrow indicates the
a)
Right ventricle
b)
Aorta
c)
Right atrium
d)
Atrium
59.
The arrow indicates the
a)
Right ventricle
b)
Pulmonary artery
c)
Left ventricle
d)
Right atrium
60.
Major veins that carry deoxygenated blood to the heart are
a)
superior and inferior vena cava
b)
left and right aorta
c)
brachiocephalic artery
d)
carotid artery
61.
Contraction of the heart is done by the 
a)
epipericardium
b)
visceral pericardium
c)
pericardium
d)
myocardium
62.
The fluid that surrounds the heart and prevents friction when it beats is 
a)
platelets
b)
water
c)
serous fluid
d)
cerebrospinal fluid
63.
The purpose of heart valves is to 
a)
set the pace at which the heart beats
b)
prevent blood from flowing backward
c)
oxygenate the blood as it passes through the valve
d)
add minerals to the blood
64.

Which ventricle muscle has a bigger muscle?

a)

Left ventricle

b)

Right ventricle

65.

Which letter is pointing to the Apex?

a)

H

b)

I

c)

E

d)

B

66.

Which letter is pointing to the tricuspid valve?

a)

M

b)

N

c)

L

d)

O

67.

The mitral valve is another name for the

a)

Aortic valve

b)

Pulmonary valve

c)

Tricuspid valve

d)

Bicuspid valve

68.

The "semilunars" valves of the heart include

a)

mitral and tricuspid

b)

aortic and pulmonary

c)

bicuspid and aortic

d)

tricuspid and pulmonary

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