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Circulatory System

Total questions: 66

Worksheet time: 52mins

Name
Class
Date
1.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
2.
The main function of the circulatory system is 
a)
To give the body structure and support
b)
Excrete waste
c)
transport blood, nutrients, and gases throughout the body
d)
to transport messages from the body to the brain
3.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
4.
Identify
a)
Pulmonary veins
b)
Pulmonary artery
c)
Aorta
d)
Vena cava
5.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
6.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
7.
This chamber of the heart RECEIVES blood returning from the body
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
8.

This chamber of the heart RECEIVES oxygen rich blood back from the lungs

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

9.

This chamber of the heart pumps the blood from the heart to the lungs through the pulmonary artery

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

10.

This chamber of the heart pumps the blood back out to the body cells through the Aorta

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

11.

Type of circulation that refers to blood flow from the heart to the lungs and back to the heart again?

a)

Systemic circulation

b)

Renal circulation

c)

Portal circulation

d)

Pulmonary circulation

12.

Type of circulation that refers to the blood flowing through the entire body?

a)

Systemic circulation

b)

Renal circulation

c)

Portal circulation

d)

Pulmonary circulation

13.

The contraction/emptying phase of the cardiac cycle?

a)

Systole

b)

Diastole

14.

Coronary arteries...

a)

supply the heart muscle cells with a supply of blood.

b)

supply the brain cells with a supply of blood.

c)

contain deoxygenated blood.

d)

when clogged, cause a stroke.

15.

Type of device that measures the electrical currents created by the SA and AV nodes?

a)

AED

b)

MRI

c)

ECG

d)

CAT Scan

16.

The main vein(s) that brings blood to the right atrium?

a)

Aorta

b)

Pulmonary veins

c)

Superior and Inferior vena cava

d)

Jugular vein

17.

Which choice below correctly identifies the layers of the heart from the most outer layer to the most inner layer?

a)

epicardium, myocardium, endocardium

b)

endocardium, myocardium, epicardium

c)

myocardium, endocardium, epicardium

d)

myocardium, epicardium, endocardium

18.

The sac that surrounds and protects the heart?

a)

endocardium

b)

epicardium

c)

myocardium

d)

pericardium

19.

Name part B.

a)

Pulmonary arteries

b)

Pulmonary veins

c)

Superior Vena cava

d)

Aorta

20.

Name part M.

a)

Tricuspid valve

b)

Semilunar valve

c)

Bicuspid valve

d)

Mitral valve

21.
Which is NOT a function of the circulatory system?
a)
deliver O2 and nutrients to cells
b)
remove CO2 and wastes from cells
c)
break down carbohydrates into glucose
d)
transport other materials through body
22.
Structure(s) that keep the blood flowing in one direction.
a)
Valve(s)
b)
Septum(s)
c)
Neuron(s)
d)
Bronchiole(s)
23.

True or false:

Blood traveling in veins is blue.

a)

True

b)

False

24.

True or false:

Arteries always carry oxygenated blood.

a)

True

b)

False

25.

The blood in the vena cava is...

a)

oxygenated, returning to the heart

b)

deoxygenated, returning to the heart

c)

oxygenated, leaving the heart

d)

deoxygenated, leaving the heart

26.

The myocardium is composed of:

a)

An outer fibrous layer and an inner serous layer.

b)

Cardiac muscle tissue.

c)

A simple squamous epithelium and a layer of areolar connective tissue.

27.
  Compared to arteries, veins 
a)
have a pleated endothelium.
b)
have thinner walls.
c)
have more smooth muscle in their tunica media. 
d)
hold their shape better when cut. 
28.

Which phase of an ECG signals when the ventricles contract?

a)

P

b)

QR

c)

QRS

d)

T

e)

S

29.

Which phase of an ECG signals when the ventricles relax?

a)

P

b)

QR

c)

QRS

d)

T

e)

S

30.

The pacemaker of the heart is the

a)

SA Node

b)

AV Node

c)

Bundle of His

d)

Purkinje Fibres

31.

Electrical fibres running through the ventricles are called

a)

SA Node

b)

AV Node

c)

Bundle of His

d)

Purkinje Fibres

32.
For a blood pressure reading, the number on top measures...
a)
Diastolic Pressure
b)
Systolic Pressure
c)
Diastemic Pressure
d)
Systemic Pressure
33.
Normal blood pressure is...
a)
120/80 mmHg
b)
80/120 mmHg
c)
140/90 mmHg
d)
80/140 mmHg
34.
Hypertension is anything above...
a)
120/80 mmHg
b)
90/120 mmHg
c)
140/90 mmHg
d)
80/140 mmHg
35.

Pressure exerted on the walls of the blood vessels is termed

a)

Hypertension

b)

Vesicular pressure

c)

Blood Pressure

d)

Heart pressure

36.

When measuring arterial pulse, why is it recommended not to use your thumb:

a)

The tip of the thumb is too thick to feel the pulse.

b)

Most people have experienced nerve damage in their thumb and cannot feel the pulse.

c)

The thumb also has a pulse and can cause counting confusion.

d)

It is recommended to use your thumb when measuring arterial pulse.

37.
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.
38.

When measuring blood pressure, you are measuring the ____ of blood flowing through arteries

a)

rate

b)

quality

c)

force

d)

regularity

39.

What is heart rate?

a)

Oxygen going to the heart

b)

The number of times your heart beats in a minute

c)

Blood pumping though the body

d)

Carbon dioxide leaving the body

40.

The correct sequence of the three events in ECG

a)

P wave , T wave , QRS complex

b)

QRS complex , P wave , T wave

c)

T wave , QRS complex , P wave

d)

P wave, QRS complex, T wave

41.

P wave is

a)

Repolarization of atria

b)

Repolarization of ventricles

c)

Depolarization of atria

d)

Depolarization of ventricles

42.

T wave is

a)

Repolarization of atria

b)

Repolarization of ventricles

c)

Repolarization of ventricles and atria

d)

Depolarization of atria and ventricles

43.

Which one is represent QRS complex

a)

A

b)

B

c)

C

d)

E

44.

Which one is represent T wave

a)

A

b)

B

c)

C

d)

E

45.

A heart rate 100 bpm or above is called _______.

a)

bradycardia

b)

tachycardia

c)

arrhythmia

d)

fibrillation

46.

Which vessels maintain the highest blood pressure?

a)

Veins

b)

Capillaries

c)

Arteries

47.

How many layers of cells make up the wall of a capillary?

a)

1

b)

2

c)

3

d)

4

48.

Large amounts of elastic fibers help arteries to

a)

not burst under high pressure.

b)

stretch and recoil to help push blood along it.

c)

help maintain blood pressure.

d)

carry out peristalsis.

49.

#2

a)

pulmonary artery

b)

pulmonary veins

c)

aorta

d)

superior vena cava

50.

#3

a)

pulmonary artery

b)

pulmonary veins

c)

aorta

d)

inferior vena cava

51.

#7

a)

mitral/bicuspid valve

b)

tricuspid valve

c)

aortic valve

d)

pulmonary valve

52.

#4

a)

pulmonary valve

b)

aortic valve

c)

mitral/bicuspid valve

d)

tricuspid valve

53.
The AV node is located at...
a)
A
b)
B
c)
C
d)
D
54.
The 'Lub' sound of the heart's LUB DUB? are the....
a)
Atrioventricular valves closing
b)
Semilunar Valves closing
c)
Blood flowing through the Pulmonary Trunk and Aorta
d)
Blood Flowing down into the venticles
55.
The volume of blood ejected each time a Ventricle contracts is known as?
a)
Heart Rate
b)
Stroke Volume
c)
Cardiac Output
56.

Which type of vessels have the smallest diameter?

a)

arteries

b)

venules

c)

capillaries

d)

arterioles

57.

Choose the characteristics of arteries...

a)

Have very thick, strong, elastic walls.

b)

Have thin walls, made up of only

one layer of cells.

c)

Have thinner walls, large space inside the vessel.

58.

Choose the characteristics of veins.

a)

Have very thick, strong, elastic walls.

b)

Have thin walls, made up of only

one layer of cells.

c)

Have thinner wall, large space inside the vessel.

59.

What is the function of valves?

a)

To prevent mixing of oxygenated and deoxygenated blood

b)

To transport blood in one direction

c)

To prevent backflow of blood

60.

What are present in veins but absent in arteries?

a)

smooth elastic tissues

b)

muscular tissues

c)

valves

61.

What is the function of capillaries?

a)

Transports deoxygenated blood

b)

Transport oxygenated blood

c)

Site for exchange of materials

62.

How are capillaries adapted for their function?

a)

Have partially permeable walls

b)

One-cell thick endothelium

c)

Presence of valves

d)

Large lumen

63.

A= ​ (a)  

B = ​ (b)  

C= ​ (c)  

D= ​ (d)  

E = ​ (e)  

Choose from the below words
tunica externa
elastic membrane
smooth MT
basement membrane
endothelium
lumen
tunica intima
tunica media
64.

Is this an artery or a vein?

a)

artery

b)

vein

65.

Reorder the following zones of the blood vessel wall SUPERFICIAL (1) to DEEP (3).

a)

tunica externa

b)

tunica media

c)

tunica intima

1)
2)
3)
66.
Question Image

Match the following numbers in the diagram to their correct label.

a)

arteriole

1.

1

b)

precapillary sphincters

2.

2

c)

vascular shunt

3.

3

d)

true capillaries

4.

4

e)

venule

5.

5

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