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Circulatory System: Heart Structures

Total questions: 59

Worksheet time: 51mins

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)
Pulmonary veins
b)
Pulmonary artery
c)
Aorta
d)
Vena cava
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.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
8.
Identify
a)
Pulmonary veins
b)
Pulmonary artery
c)
Aorta
d)
Superior Vena Cava
9.
The heart has ___ chambers.
a)
1
b)
2
c)
3
d)
4
10.
This chamber of the heart RECEIVES blood returning from the body
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
11.
The _________ PUMPS blood to the lungs.
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
12.
The _______ RECEIVES blood returning from the lungs.
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
13.
This chamber of the heart PUMPS blood to the body.
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
14.
The __________ is a wall of muscle that divides the right and left halves of the heart.
a)
Atrioventrucular Valve
b)
Semilunar Valve
c)
Septum
d)
Diaphragm
15.
Identify the circled valve
a)
Tricuspid
b)
Mitral
c)
Pulmonary
d)
Aortic
16.
Identify the circled valve
a)
Tricuspid
b)
Mitral
c)
Pulmonary
d)
Aortic
17.
Identify the circled valve
a)
Tricuspid
b)
Mitral
c)
Pulmonary
d)
Aortic
18.
Identify the circled valve
a)
Tricuspid
b)
Mitral
c)
Pulmonary
d)
Aortic
19.

This is often termed the natural pacemaker of the heart.

a)

Atrioventricular Node (AV)

b)

Sinoatrial Node (SA)

c)

Bundle of His

d)

Purkinje Fibers

20.

The circulatory system is a transport system for the cells of the human body.

a)

True

b)

False

21.

This second group of specialized cells is located at the lower back section of the interatrial septum to relay the electrical impulse to muscle cells of the ventricles completing one full heartbeat.

a)

Bundle of His

b)

Atrioventricular Node (AV)

c)

Sinoatrial Node (SA)

d)

Beats per Minute (BPM)

22.

Specialized tissue in the heart that transmits electrical impulses and assists in keeping contractions synchronized.

a)

Sinoatrial Node (SA)

b)

Bundle of His

c)

Atrioventricular Node (AV)

d)

Purkinje Fibers

23.

This type of circulation travels between the heart and lungs.

a)

Pulmonary circulation

b)

Coronary circulation

c)

Systemic circulation

d)

Hepatic Portal circulation

24.

Coronary circulation supplies blood to itself.

a)

True

b)

False

25.

This type of circulation is when blood travels to the kidneys for filtration.

a)

Pulmonary Circulation

b)

Renal Circulation

c)

Coronary Circulation

d)

Hepatic Portal Circulation

26.

This type of circulation is when blood travels between the heart and the remaining body.

a)

Systemic circulation

b)

Renal circulation

c)

Hepatic Portal circulation

d)

Pulmonary circulation

27.

This type of circulation is when blood rich in nutrients from the small intestine travels to the liver.

a)

Renal circulation

b)

Hepatic Portal circulation

c)

Systemic circulation

d)

Pulmonary circulation

28.

What is the double-walled sac around the heart?

a)

Pericardium

b)

Atria

c)

Ventricles

d)

Valves

29.

Loosely-fitting sac that protects the heart and anchors it to the surrounding tissue of the diaphragm and sternum.

a)

Serous pericardium

b)

Atria

c)

Fibrous pericardium

d)

Ventricles

30.

This layer of the pericardium produces a slippery serous fluid which reduces friction of a working heart.

a)

Fibrous pericardium

b)

Serous pericardium

c)

Atria

d)

Ventricles

31.

The walls of the heart is comprised of three layers:

a)

pericardium, fibrous pericardium, serous pericardium

b)

epicardium, myocardium, endocardium

c)

atria, ventricles, valves

d)

arteries, veins, capillaries

32.
Gas, nutrient, and waste exchange occur between the __________ and the tissues of the body. 
a)
veins
b)
arteries
c)
capillaries
d)
legs
33.
As an arterial pathway moves farther from the heart, the arteries
a)
get smaller
b)
get larger
c)
do not change in size
d)
have a party
34.
As a venous pathway moves closer to the heart, the veins
a)
get smaller
b)
get larger
c)
do not change in size
d)
watch netflix
35.
Valves in veins
a)
make the use of a skeletal muscle pump unnecessary for venous blood flow
b)
are the leading cause of high blood pressure.
c)
cause venous blood flow to go in only one direction
d)
are formed of the tunica media
36.
Oxygen and carbon dioxide are transported between the blood and interstitial fluid by way of
a)
exocytosis and endocytosis by endothelial cells
b)
diffusion from areas of higher concentration to lower concentration
c)
pinocytosis using fluid-filled vesicles
d)
active transport (using ATP) by protein carriers of endothelial cells
37.
These carry blood to the heart:
a)
arteries
b)
veins
c)
capillaries
d)
arterioles
38.
These carry blood away from the heart
a)
arteries
b)
veins
c)
venules
d)
capillaries
39.
These have muscular walls:
a)
capillaries
b)
veins
c)
venules
d)
arteries
40.
Where material exchange takes place between the cells and blood vessels:
a)
arteries
b)
veins
c)
venules
d)
capillaries
41.
These have valves that prevent backflow of blood
a)
arteries
b)
veins
c)
arterioles
d)
capillaries
42.
Largest artery in the human body:
a)
Pulmonary artery
b)
femoral artery
c)
aorta
d)
carotid artery
43.
Carry blood toward heart; mostly oxygen-poor
a)
Arteries
b)
Veins
c)
Capillaries
44.
Carry blood away from heart; mostly oxygen-rich
a)
Arteries
b)
Veins
c)
Capillaries
45.
Structure(s) that keep the blood flowing in one direction.
a)
Valve(s)
b)
Septum(s)
c)
Neuron(s)
d)
Bronchiole(s)
46.
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
47.

Arteries stretch as pressurized blood enters, creating a pulse.

a)

True

b)

False

48.

Veins are thinner and less muscular than arteries.

a)

True

b)

False

49.

What are smaller veins referred to as?

a)

arterioles

b)

capillaries

c)

venules

d)

arteries

50.

A network of arteries at the base of the brain that provide alternate routes for blood.

a)

Blood Vessel

b)

Veins

c)

Arteries

d)

Circle of Willis

51.

What are the tiny white cords named that help anchor the flaps (valves) to the wall of the heart?

a)

Chordea tendinea

b)

Endocardium

c)

myocardium

d)

fibrous pericardium

52.

Pulmonary edema can occur when the removal of blood from the heart is not maintained at a steady rate.

a)

True

b)

False

53.

What factors modify heart rate?

a)

sympathetic nervous system

b)

hormones, ion imbalances (potassium or calcium)

c)

physical factors such as age, gender, exercise, body temperature

d)

all of the above

54.

The thick muscle-fiber rich heart wall is named

a)

epicardium

b)

fibrous pericardium

c)

myocardium

d)

endocardium

55.

The major blood vessels in the neck, that supply blood to the brain, neck and face

a)

Carotid artery

b)

Veins

c)

Circle of Willis

d)

Arteries

56.

The ____________veins run through the neck and from the brain.

a)

Veins

b)

Arteries

c)

Jugular veins

d)

Circle of Willis

57.

The aorta is the diameter of a pencil.

a)

True

b)

False

58.

The human circulatory system is a ____________ system.

a)

Open

b)

Closed

59.

________________ is the name for all blood-carrying tubes.

a)

Blood vessel

b)

veins

c)

artery

d)

carotid artery

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