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Circulatory System

Total questions: 100

Worksheet time: 4hrs 12mins

Name
Class
Date
1.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
2.
Identify
a)
Pulmonary veins
b)
Pulmonary artery
c)
Aorta
d)
Vena cava
3.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
4.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
5.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
6.
This chamber of the heart RECEIVES blood returning from the body
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
7.
What is pulmonary circulation?
a)
Blood travelling to and from the lungs
b)
Blood travelling to and from the body
c)
A blood clot in the lungs
d)
The vessel that brings blood to the lungs
8.
Blood circulation from the heart to the rest of the body is called
a)
Full body
b)
Systemic
c)
pulmonary
d)
heart to lung
9.
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
10.
Structure(s) that keep the blood flowing in one direction.
a)
Valve(s)
b)
Septum(s)
c)
Neuron(s)
d)
Bronchiole(s)
11.

These cells play a vital role in defending the body against infection

a)

Leucocytes

b)

Erythrocytes

c)

Blastocytes

d)

Plasmacytes

12.

_______ function in the life-saving process of clotting blood.

a)

Phagocytes

b)

Leucocytes

c)

Erythrocytes

d)

Platelets

13.

True or false:

Blood traveling in veins is blue.

a)

True

b)

False

14.

True or false:

Arteries always carry blood away from the heart.

a)

True

b)

False

15.

True or false:

Arteries always carry oxygenated blood.

a)

True

b)

False

16.

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

17.

An open circulatory system is one that has:

a)

no valves present

b)

no heart to pump the fluid

c)

no vessels at all

d)

no distinction between blood and tissue fluid

18.

What is the smallest type of cell in the blood called?

a)

leucocytes

b)

erythrocytes

c)

lymphocytes

d)

monocytes

19.

The contraction/emptying phase of the cardiac cycle?

a)

Systole

b)

Diastole

20.

The relaxing/filling stage of the cardiac cycle?

a)

Systole

b)

Diastole

21.

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.

22.

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

a)

arteries

b)

capillaries

c)

veins

23.

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

a)

arteries

b)

capillaries

c)

veins

24.

The type of blood vessel where exchange of gases, nutrients, and wastes occurs?

a)

arteries

b)

capillaries

c)

veins

25.

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

26.

The sac that surrounds and protects the heart?

a)

endocardium

b)

epicardium

c)

myocardium

d)

pericardium

27.

Instrument used to measure blood pressure?

a)

AED

b)

ECG

c)

Sphygmomanometer

d)

ultrasound

28.

Name part I.

a)

pericardium

b)

mediastinum

c)

septum

d)

unknownum

29.

Name part A.

a)

Pulmonary artery

b)

Pulmonary vein

c)

Superior vena cava

d)

Aorta

30.

Name part M.

a)

Tricuspid valve

b)

Semilunar valve

c)

Bicuspid valve

d)

Mitral valve

31.

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.

32.

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.

33.

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.

34.

What are the blood cells?

a)

Erythrocytes, leukocytes, and platelets.

b)

The buffy coat and plasma proteins.

c)

Blood cells, cell fragments, and plasma.

d)

All compounds synthesized by the blood.

35.

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.

36.

All of the following are true of the left ventricle except:

a)

Wall is typically 3 times thicker than that of right ventricle.

b)

It is separated from left atrium by Mitral valve.

c)

Aortic semilunar valve at superior end separates it from the aorta.

d)

Receives deoxygenated venous blood from the left atrium.

37.

Blood from the systemic circuit returns directly into which

heart chamber?

a)

left atrium.

b)

Right auricle.

c)

Left auricle.

d)

Right atrium.

38.

The pulmonary trunk carries blood from which heart chamber into the pulmonary circuit?

a)

Left atrium.

b)

Right atrium.

c)

Left ventricle.

d)

Right ventricle.

39.

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.

40.

From the right atrium, blood passes through the right AV

(tricuspid) valve into the:

a)

Pulmonary trunk.

b)

Left atrium.

c)

Right ventricle.

d)

Left ventri.cle

41.

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

a)

Diastole, systole.

b)

Systole, diastole.

c)

Fibrillation, defibrillation.

d)

Defibrillation, fibrillation.

42.

When closed, the left atrioventricular valve prevents backflow of blood into the:

a)

Left ventricle.

b)

Left atrium.

c)

Right atrium.

d)

Right ventricle.

43.

Which vessels have thin walls and small diameters that facilitate rapid diffusion of gases and nutrients between blood and body tissues?

a)

Capillaries.

b)

Arterioles.

c)

Venules.

d)

All of the above.

44.

The valves between the ventricles and the arteries are called:

a)

Atrioventricular valves.

b)

Mitral valves.

c)

Semilunar valves.

d)

All of them.

45.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

46.

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.

47.

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

a)

head

b)

fist

c)

hand

d)

foot

48.

Arteries carry oxygen rich blood away from the heart.

a)

True

b)

False

49.

Veins carry oxygen poor blood back to the heart.

a)

False

b)

True

50.
What does Deoxygenated mean?
a)
Oxygen-rich
b)
Blood flow
c)
Oxygen-poor
d)
Water Flow
51.
  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. 
52.

The cells in the blood that help fight germs and illnesses are the...

a)

red blood cells

b)

platelets

c)

white blood cells

d)

axons

53.
The liquid part of blood that makes up 55% of its composition?
a)
Plasma
b)
Platelets
c)
White blood cells
d)
Red blood cells
54.
What is the Circulatory System also known as?
a)
The heart
b)
Cardiovascular System
c)
Nervous System
d)
Aorta
55.

Also called as bicuspid valve

a)

Tricuspid valve

b)

Mitral valve

c)

Aortic valve

d)

Pulmonary valve

56.
Unoxygenated blood enters the right atrium from the bottom of the heart.
a)
inferior vena cava
b)
superior vena cava
c)
pulmonary veins
57.

State which cell contains hemoglobin

a)

Neutrophils

b)

Erythrocytes

c)

Lymphocytes

d)

Mast cells

58.

They are specialized cells involved in the detection, phagocytosis and destruction of bacteria and other harmful organisms.

(a)  

59.

They secrete chemicals such as histamine, a marker of allergic disease, that help control the body's immune response.

(a)  

60.

He is an English doctor who discovered the

mechanics of blood circulation and the role

of the heart in propelling it.

(a)  

61.

Bicuspid valve and tricuspid valves are closed during

a)

Ventricular systole

b)

Ventricular diastole

c)

Atrial systole

d)

Late joint diastole

62.

The second DUBB is produced at the beginning of

a)

Ventricular diastole

b)

Ventricular systole

c)

Auricular systole

d)

Auricular diastole

63.

The first heart sound is produced when

a)

Diastole begins

b)

Semilunar valves close quickly

c)

Interventricular pressure increases

d)

Bicuspid and tricuspid valves close quickly

64.

In human beings, the duration of cardiac cycle is

a)

0.08 seconds

b)

0.5 seconds

c)

0.8 seconds

d)

8.0 seconds

65.

What is blood pressure?

a)

Pressure of the blood against the walls of the veins.

b)

Pressure of the heart pushing the blood out.

c)

Pressure of the heart receiving blood.

d)

Pressure of the blood against the walls of the arteries.

66.

Which of the following is NOT a major factor affecting blood flow?

a)

Heart size

b)

Viscosity

c)

Exercise

d)

Plaque

67.

As the diameter of a blood vessel DECREASES...

a)

resistance INCREASES.

b)

resistance DECREASES.

c)

resistance is NOT affected.

68.

The normal reading of systole and diastole is

a)

100/50 mmHg

b)

110/55 mmHg

c)

120/80 mmHg

d)

135/95 mmHg

69.

The pacemaker of the heart is the

a)

SA Node

b)

AV Node

c)

Bundle of His

d)

Purkinje Fibres

70.

Leukocytes that are involved in inflammation are

a)

Basophils

b)

Neutrophils

c)

Lymphocytes

d)

Eosinophis

71.

Leukocytes that are involved in engulfing pathgens are

a)

Basophils

b)

Neutrophils

c)

Lymphocytes

d)

Eosinophis

72.
An average adult has ____ liters of blood in his/her body.
a)
5
b)
15
c)
2
d)
10
73.
The four chambers of the heart are the...
a)
right and left ventricles and atria
b)
right and left pulmonary arteries and veins 
c)
right and left ventricles and pulmonary veins
d)
right and left atria and pulmonary veins
74.

What seals ruptures (tears) in blood vessels?

a)

platelets and fibrin proteins

b)

red blood cells

c)

whites blood cells

75.
True or False: The lymph nodes produce white blood cells
a)
True
b)
False
76.

What are the 4 blood groups?

a)

A, B, AB, ABC

b)

A, B, AB, O

c)

A, B, C, D

d)

A, B, C, O

77.

The alternating expansion and relaxation of the artery wall caused by contraction of the left ventricle is

a)

blood pressure

b)

pulse

c)

blood reading

d)

palpitation

78.

What is the correct path through the circulatory system which describes the passage of a blood clot originating in the left leg?

a)

Vena cava--> right atrium--> right ventricle--> lungs-->left atrium-->left ventricle-->aorta

b)

Vena cava--> left atrium--> right ventricle--> lungs-->left ventricle-->right ventricle-->aorta

c)

Vena cava--> left atrium--> left ventricle--> lungs-->right atrium-->right ventricle-->aorta

d)

Vena cava--> right atrium--> left atrium--> lungs--> right ventricle--> left ventricle-->aorta

79.
What is the average person's heart rate at rest?
a)
50
b)
60
c)
70
d)
80
80.
arteries, veins, and capillaries are three types of __________
a)
heart valves
b)
blood vessels
c)
cells
d)
veins
81.

Base your answer to questions #2 & #3 on the diagram below of the human heart and on your knowledge of biology.


Which sequence represents normal blood flow between the two sides of the heart?

a)

A -> F -> D -> C -> B

b)

B -> G -> H -> I -> C

c)

C -> D -> F -> A -> I

d)

D -> E -> I -> H -> G

82.

Which statement correctly describes the activities of the components of human blood shown in the diagram below?

a)

Both A and B function in immune responses, and C transports oxygen.

b)

A, B, and C are able to synthesize hemoglobin.

c)

Both B and C provide immunity, and A transports nutrients.

d)

A transports oxygen, B initiates clots, and C functions in immune responses.

83.

Red blood cells are produced in the

a)

bone marrow

b)

lymph nodes

c)

liver

d)

arteries

84.

An infection in the body might result in a sudden

a)

decrese in the activity of antigens produced by the mitochondria

b)

decrese in the amount of DNA present in the nuclei of cells

c)

increase in the activity of white blood cells

d)

increase in the number of red blood cells

85.

What is the yellowish liquid that carries nutrients and proteins through the body?

a)

Red

b)

White

c)

Plasma

d)

Platelets

86.

Rank the following blood vessels in order of their average pressure, from highest to lowest:

a)

Capillary > arteriole > venule > artery > vein > aorta

b)

Aorta > artery > arteriole > capillary > venule > vein

c)

Capillary > vein > venule > arteriole > artery > aorta

d)

Aorta > arteriole > venule > artery > vein > capillary

87.

The "lub sound" of the heart is due to:

a)

The Mitral and Tricuspid valves just opened.

b)

The Mitral and Tricuspid valves just snapped shut

c)

The Pulmonary and Aortic valves just snapped shut

d)

None of the above

88.

Which of the following is part of the Lymphatic system?

a)

Spleen

b)

Lymphatic node

c)

Thymus gland

d)

Ursus Maritimus

89.

If someone has type A blood, what type of antibodies are in their blood?

a)

A

b)

B

c)

Both A and B

d)

None

90.

What are the three anatomical layers of the heart?

a)

Endocardium

b)

Fortocardium

c)

Pericardium

d)

Myocardium

91.

Erythriocytes live for 100-120 days.

a)

True

b)

False

92.

The lymph nodes , tonsils and spleen are parts of the __________ system.

a)

circulatory system

b)

respiratory system

c)

lymphatic system

93.
What are the surface chemicals on an erythrocyte called?
a)
antibodies
b)
antidotes
c)
antigens
d)
antiblood
94.

After jogging, I felt my heart beart rate increases. What will be my pulse rate?

a)

Decreases

b)

Increases

c)

Remains same

d)

Cannot imagine

95.
a)
X = artery
Y = capillary
Z = vein
b)
X = vein
Y = capillary
Z = artery
c)
X = artery
Y = vein
Z = capillary
d)
X = capillary
Y = artery
Z = vein
96.

An average person's blood pressure is around 120/80. What does the "120" represent?

a)

Diastole, when the ventricles relax

b)

Systole, when the ventricles relax

c)

Diastole, when the ventricles contract

d)

Systole, when the ventricles contract

97.

What causes a heart attack?

a)

Coronary arteries become blocked so the heart tissue cannot receive oxygen and dies off

b)

An artery in the brain becomes blocked and caused damage

c)

A faulty valve creates back flow in the heart

d)

A hole forms in the septum between the ventricles

98.

structure that separates the superior and inferior chambers of the heart

a)

atrioventricular valves

b)

pulmonary valves

c)

aortic valves

d)

septum

99.

heart strings that help open/close the AV valves

a)

myocardium

b)

tricuspid

c)

mitral

d)

chordae tendineae

100.

The hepatic vein takes blood away from which organ?

a)

heart

b)

lungs

c)

liver

d)

kidney

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