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Worksheets

Circulatory System

Total questions: 100

Worksheet time: 8hrs 20mins

Name
Class
Date
1.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

2.
How many types of blood vessels are in our body?
a)
1
b)
2
c)
3
d)
4
3.

Arteries carry oxygen rich blood away from the heart.

a)

True

b)

False

4.

The job of the heart is to . . .

a)

pump blood around the body.

b)

send food to the small intestines.

c)

break down food.

d)

give energy to the body.

5.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
6.
______________ are the second largest blood vessel. 
a)
Arteries
b)
Veins
c)
Capillaries
7.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
8.
The heart has ___ chambers.
a)
1
b)
2
c)
3
d)
4
9.
What does Deoxygenated mean?
a)
Oxygen-rich
b)
Blood flow
c)
Oxygen-poor
d)
Water Flow
10.
Which is the correct definition of the Circulatory system?
a)
The system fights disease so the body stays healthy.
b)
The system that circulates blood and oxygen through the body, consisting of the heart,blood vessels,and blood.
c)
Breaks down food into smaller pieces and absorbs those nutrients into the body.
d)
Provides shape and structure for the body.
11.
arteries, veins, and capillaries are three types of __________
a)
heart valves
b)
blood vessels
c)
cells
d)
veins
12.
What is the Circulatory System also known as?
a)
The heart
b)
Cardiovascular System
c)
Nervous System
d)
Aorta
13.
What do Red-Blood cells do?
a)
Carry oxygen from the lungs to the body cells and  transport carbon dioxide from the cells back to the lungs
b)
keeps blood flowing in one direction to the heart and prevent blood from flowing backwards
c)
Collects  blood from the capillaries and drain it into the veins
d)
Bring nutriients to the cells and carries away waste materials.
14.
What does blood do?
a)
Carries Water to cells
b)
Carries Oxygen to cells
c)
Carries Food to cells
d)
All of the above 
15.
Carbon dioxide is considered a _________________
a)
food
b)
waste
c)
energy
d)
fun party favor
16.

Blood vessels that carry blood away from the heart.

a)

Veins

b)

Capillaries

c)

Arteries

17.

These blood vessels help fight infection and other diseases.

a)

Red Blood Cells

b)

White Blood Cells

c)

Platelets

d)

Plasma

18.

Blood vessels that carry blood to the heart.

a)

Veins

b)

Arteries

c)

Capillaries

19.

The upper part of the heart is made up of two chambers called what?

a)

Ventricles

b)

Atria

20.

The bottom part of the heart is divided into two chambers called what?

a)

Ventricles

b)

Atria

21.

The smallest blood vessels that ensure oxygen and nutrients are delivered to the body's cells.

a)

Capillaries

b)

Arteries

c)

Veins

22.

This occurs when blood flow to part of the heart is blocked.

a)

Heart attack

b)

Stroke

c)

Arrhythmia

23.

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

24.

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

25.

The contraction/emptying phase of the cardiac cycle?

a)

Systole

b)

Diastole

26.

The relaxing/filling stage of the cardiac cycle?

a)

Systole

b)

Diastole

27.

The type of blood vessel that normally carries de-oxygenated blood back to the heart from body cells?

a)

arteries

b)

capillaries

c)

veins

28.

The type of blood vessel that normally carries oxygenated blood from the heart to the body cells?

a)

arteries

b)

capillaries

c)

veins

29.

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

a)

AED

b)

MRI

c)

ECG

d)

CAT Scan

30.

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

31.

The sac that surrounds and protects the heart?

a)

endocardium

b)

epicardium

c)

myocardium

d)

pericardium

32.

Instrument used to measure blood pressure?

a)

AED

b)

ECG

c)

Sphygmomanometer

d)

ultrasound

33.

The heart is about the size and shape of your . . .

a)

head

b)

fist

c)

hand

d)

foot

34.
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
35.

The FREQUENCY of heart contractions is...

a)

heart rate

b)

blood pressure

c)

respiratory rate

d)

voluntary muscle contraction

36.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
37.
Identify
a)
Pulmonary veins
b)
Pulmonary artery
c)
Aorta
d)
Vena cava
38.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
39.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
40.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
41.
This chamber of the heart RECEIVES blood returning from the body
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
42.

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

43.

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

44.

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

45.

All of the following are functions of blood except:

a)

Transportation of oxygen and carbon dioxide.

b)

Regulation of body temperature.

c)

Synthesis of vitamins.

d)

Defense against infection.

46.

What protects the body against blood loss?

a)

Clots formed by clusters of leukocytes.

b)

Clots formed by platelets and blood proteins.

c)

Masses of erythrocytes and erythrocyte fragments.

d)

Constriction of capillaries in the damaged area.

47.

The two primary components of whole blood are:

a)

Serum and cells.

b)

Plasma and cells.

c)

Cells and dissolved proteins.

d)

Blood cells and cell fragments.

48.

The most abundant compound in blood plasma, accounting

for about 92% of the total volume, is:

a)

Oxygen

b)

Gamma-globulin

c)

Sodium chloride

d)

Water

49.

What ensures the unidirectional flow of blood through the

heart?

a)

Constant pressure generated by the heart contractions.

b)

Valves within the heart that prevent backflow of blood.

c)

Squeezing action of smooth muscle tissue in arterial walls.

d)

Continuous osmotic outflow of plasma from capillaries.

50.

The ____________ carries blood throughout the body;

the ____________ carries blood only to and from the

lungs.

a)

systemic circuit; pulmonary circuit

b)

pulmonary circuit; systemic circuit

c)

venous circulation; arterial circulation

d)

arterial circulation; venous circulation

51.

Blood from the systemic circuit returns directly into which

heart chamber?

a)

left atrium.

b)

Right auricle.

c)

Left auricle.

d)

Right atrium.

52.

Oxygenated blood returning from the lungs enters the left

atrium through:

a)

The pulmonary arteries.

b)

The pulmonary veins.

c)

The coronary sinus.

d)

All of the above.

53.

Regardless of the heart chamber, contraction is called ____________ and relaxation, ____________.

a)

Diastole, systole.

b)

Systole, diastole.

c)

Fibrillation, defibrillation.

d)

Defibrillation, fibrillation.

54.

Valves in veins serve to:

a)

Release excessive pressure to protect these thin-walled vessels.

b)

Counteract the crushing force of surrounding skeletal muscles.

c)

Prevent backflow of blood in the absence of high blood pressure.

d)

Adjust blood pressure by compartmentalizing the venae cavae.

55.

Compared with those of the systemic circulation, arteries of the pulmonary circulation:

a)

Have lower blood pressure.

b)

Have less elastic tissue.

c)

Carry blood that contains less oxygen.

d)

All of them.

56.
What is the largest artery in the human body called?
a)
Superior Vena Cava
b)
Aorta
c)
Inferior Vena Cava
d)
Pulmonary Artery
57.
Pulmonary referrs to the lungs, blood leaving the heart through the pulmonary artery is high in which gas?
a)
nitrogen
b)
carbon dioxide
c)
oxygen
d)
helium
58.
The ___________ is the thick muscular wall that seperates the two sides of the heart.
a)
atria
b)
ventricles
c)
valve
d)
septum
59.
What are the four blood types?
a)
A
b)
B
c)
AB
d)
O
e)
All are correct
60.

Oxygenated means the blood has a lot of....

a)

Oxygen

b)

Carbon Dioxide

61.

Veins are blood vessels containing blood going to the heart

a)

True

b)

False

62.

Arteries are blood vessels with blood flowing from the heart

a)

True

b)

False

63.

The blood obtains the oxygen from which organ?

a)

Brain

b)

Lungs

c)

Heart

d)

Stomach

64.

The first stop of the blood in the heart is the...

a)

Left Ventricle

b)

Left Atrium

c)

Right Atrium

d)

Right Ventricle

65.

After the blood leaves the right atrium, it goes to the...

a)

Right Ventricle

b)

Right Atrium

c)

Left Ventricle

d)

Left Atrium

66.

After the right ventricle, the blood goes through the pulmonary artery to...

a)

Lungs

b)

Heart

67.

In the lungs, the blood gets rid of...

a)

Oxygen

b)

Carbon Dioxide

68.

After the blood gets oxygen from the lungs, it goes through the pulmonary veins to the heart's....

a)

Right Atrium

b)

Left Ventricle

c)

Right Ventricle

d)

Left Atrium

69.

Lastly, the oxygenated blood goes through the ___________ to the rest of the body.

a)

Aorta

b)

Vena Cava

70.

The systolic pressure - - - - refers hypotension

a)

a 120 mm Hg

b)

b 150 mm Hg

71.

liquid portion of blood, typically yellow, where nutrients are dissolved.

a)

Blood

b)

Plasma

c)

Lymph

d)

Mucus

72.

protein in every red blood cell that carries oxygen.

a)

Saliva

b)

Mucus

c)

Hemoglobin

d)

Goblin

73.

What is the name for the circulatory system that moves blood to and from the lungs?

a)

Pulmonary

b)

Systemic

c)

Hemolymph

d)

Cardiovascular

74.

Humans have a(n)

a)

open circulatory system

b)

closed circulatory system

75.

A cancerous or malignant conditions in which there is a great increase in the number of white blood cells

a)

Leukemia

b)

Angina Pectoris

c)

Polycythemia

d)

Arrhythmia

76.

A hereditary disease in which the blood clots slowly or abnormally. This causes prolonged bleeding with even minor cuts and bumps

a)

Anemia

b)

Hemophilia

c)

Embolism

d)

Atherosclerosis

77.

High blood pressure

a)

Heart Failure

b)

Atherosclerosis

c)

Myocardial Infarction

d)

Hypertension

78.

A-25- years old medical student came to you with Blood Report that shows Hb 7% MCV 70. The probably cause of this aneamia is;

a)

A.Aplastic anemia

b)

B.Iron deficiency

c)

C.Thalassemia

d)

D.Anemia of chronic disease

79.
A condition in which the blood is deficient in red blood cells, in hemoglobin, or in total volume.
a)
Sickle Cell Anemia
b)
Anemia
c)
Hemophilia
80.

The process whereby a person receives blood is called blood ...

a)

transgression

b)

diffusion

c)

transmission

d)

transfusion

81.

A biker of blood type O was in a serious accident; he lost a lot of blood and needed a blood transfusion. Which blood type should he have been given?

a)

A

b)

B

c)

O

d)

AB

82.

Which of the following blood groups is that of the ‘Universal donor’?

a)

A

b)

O

c)

AB

d)

B

83.

Which one of the following is NOT a blood group?

a)

A

b)

O

c)

AA

d)

AB

84.

Which of the following blood groups is known as a universal recipient?

a)

A

b)

B

c)

AB

d)

O

85.
Someone with type A blood can receive blood from someone who is type AB.
a)
True
b)
False
86.
What antigens are present in a person with type AB blood?
a)
b)
A and B
c)
d)
none 
87.

Which blood type contains only A antigens?

a)

AB

b)

A

c)

B

d)

O

88.

Which blood type has A and B antigens?

a)

Blood Type O

b)

Blood Type A

c)

Blood Type B

d)

Blood Type AB

89.

Which blood type has no antigens?

a)

Blood type A

b)

Blood type B

c)

Blood type AB

d)

Blood type O

90.

An Austrian scientist who discovered the four different blood groups that characterize human populations?

a)

Karl Marx

b)

Karl Landowner

c)

Karl Landsteiner

d)

Karl Landry

91.

If a patient has type A blood, he could receive blood from which of the following donors?

a)

Type B

b)

Type O

c)

Type AB

92.

If a patient has type AB+ blood, he could receive blood from which of the following blood donor?

a)

Type AB

b)

Type A

c)

Type O

d)

Al blood types

93.

Blood type is determined by the antigen present in the plasma membrane of RBC's?

a)

True

b)

False

94.

The Rh factor determines what part of the blood type?

a)

The number of antibodies

b)

+ or -

c)

The number of antigens

d)

Agglutination

95.

CAN RH-POSITIVE DONOR MIXES BLOOD WITH BLOOD OF RH-NEGATIVE RECIPIENT?

a)

YES

b)

NO

96.

What would happen if you gave a person with AB blood a type A blood transfusion?

a)

the person would die

b)

they would also need B blood

c)

nothing, they can accept A blood

d)

it would need to be mixed with O blood

e)

all of the above

97.

How many antigens does O- blood type have?

a)

3

b)

2

c)

1

d)

6

e)

0

98.
There are how many blood types in the ABO system?
a)
2
b)
3
c)
4
d)
5
99.

Why are there 2 sides to the end of a stethoscope?

a)

For listening to different pitched sounds

b)

To prevent the spread of infection

c)

To prevent other sounds interfering

d)

If one side gets broken or wears out, there is a back up.

100.

Please answer the question. "Tell me, what is this?

a)

A stethoscope.

b)

A sthethoscope.

c)

A stetoscope.

d)

A stethoschope.