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CHAPTER 8 䡲 CARDIOVASCULAR SYSTEM
Game 1
Match point
Match each of the terms on the left with its definition on the right.
1. Pericardium _______
2. Fibrous pericardium _______
3. Serous pericardium _______
4. Pericardial space _______
5. Epicardium _______
6. Myocardium _______
7. Endocardium _______
8. Chordae tendineae _______
9. Pericardial fluid _______
Anatomy_Ancillaries_Chap08.indd 40
A.
B.
C.
D.
E.
F.
G.
H.
I.
Outer layer of the wall of the heart
Fibroserous sac that surrounds the heart and the roots of the great vessels
Attach the cusps of the AV valves to papillary muscles in the ventricles
Contains striated muscle fibers that cause the heart to contract
Tough, white fibrous tissue that fits loosely around the heart, protecting it
Space between the fibrous and serous pericardium
Heart’s inner layer
Thin, smooth inner portion of the pericardium
Lubricates the surfaces of the pericardial space and allows the heart to
move easily during contraction
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CHAPTER 8 䡲 CARDIOVASCULAR SYSTEM
Game 2
Circuit training
Trace the circulation of blood on the right side of the heart by linking the appropriate boxes below with red arrows.
Trace the circulation of blood on the left side of the heart by linking the appropriate boxes with black arrows.
Superior
vena cava
Pulmonary
veins
Tricuspid
valve
Right atrium
Anatomy_Ancillaries_Chap08.indd 41
Lungs
Pulmonic
valve
Mitral valve
Left atrium
Aorta
Right
ventricle
Aortic valve
Left
ventricle
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CHAPTER 8 䡲 CARDIOVASCULAR SYSTEM
Game 3
Cross-training
Test your knowledge of terminology associated with the cardiovascular system by completing this crossword puzzle.
Across
5. Pointed end of the heart
7. Major artery
9. The inherent ability of the myocardium
1
3
2
4
to contract normally
5
10. Fibroserous sac surrounding the heart and
the roots of the great vessels
6
7
8
12. Heart’s inner layer
13. Upper chambers of the heart
14. Valve between the right atria and ventricle
9
Down
1. Heart’s outer layer
2. Heart’s middle layer
3. Phase of the cardiac cycle when the
ventricles relax
10
11
12
4. Cavity between the lungs
6. Heart’s two lower chambers
8. Phase of the cardiac cycle when the
13
ventricles contract
9. The body’s smallest vessels
11. Valve between the left atria and ventricle
Anatomy_Ancillaries_Chap08.indd 42
14
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CHAPTER 8 䡲 CARDIOVASCULAR SYSTEM
Game 4
Hit or miss
Some of the following statements about the conduction system are true; the others are false. Mark each accordingly.
_____
_____
_____
_____
_____
_____
_____
_____
_____
_____
_____
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
The sinoatrial (SA) node is the normal pacemaker of the heart.
The SA node is located deep in the myocardium of the right atrium.
The SA node generates an impulse between 60 and 70 times per minute.
The firing of the SA node spreads an impulse throughout the right and left atria, resulting in atrial contraction.
The AV node is located in the upper third of the left ventricle.
The AV node accelerates impulse conduction between the atria and the ventricle.
From the AV node, the impulse travels to the bundle of His.
From the Bundle of His, the impulse branches to the right and left bundles.
The impulse then travels to the Purkinje fibers and the ventricles contract.
If the SA node fails to fire, the AV node automatically takes over at the same rate.
If the AV node fails to fire, the heart fails to beat.
Anatomy_Ancillaries_Chap08.indd 43
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CHAPTER 8 䡲 CARDIOVASCULAR SYSTEM
Game 5
Match point
Match each of the terms on the left with its definition on the right.
1. Systole _______
2. Diastole _______
3. Cardiac output _______
4. Stroke volume _______
5. Preload _______
6. Starling’s law _______
7. Contractility _______
8. Afterload _______
9. Resistance _______
Anatomy_Ancillaries_Chap08.indd 44
A. The amount of blood ejected with each heartbeat
B. The pressure that the ventricular muscle must generate to eject blood from its
chamber
C.
D.
E.
F.
G.
Phase of the cardiac cycle when ventricles contract
Stretching of muscle fibers in the ventricles
Pressure ventricle must work against
Phase of the cardiac cycle when the ventricles relax
The more the heart muscles stretch during diastole, the more forcefully they
contract during systole
H. The amount of blood the heart pumps in 1 minute
I. The inherent ability of the myocardium to contract normally
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Chapter 8 Answers
Game 4
Hit or miss
Game 1
Match point
■
1. True.
2. False. The SA node is located on the endocardial surface of
the right atrium, near the superior vena cava.
3. False. The SA node generates an impulse between 60 and
1. B, 2. E, 3. H, 4. F, 5. A, 6. D, 7. G, 8. C, 9. I
100 times per minute.
4. True.
5. False. The AV node is located low in the septal wall of the
Game 2
Circuit training
■
Superior
vena cava
right atrium.
6. False. The AV node slows impulse conduction to allow time
Pulmonary
veins
Tricuspid
valve
Lungs
Mitral
valve
7.
8.
9.
10.
Aorta
Pulmonic
valve
Aortic
valve
11.
for the contracting atria to fill the ventricles with blood before
the lower chambers contract.
True.
True.
True.
False. If the SA node fails to fire, the AV node will generate an
impulse between 40 and 60 times per minute.
False, If the AV node fails to fire, the ventricles can generate
their own impulse between 20 and 40 times per minute.
Game 5
Match point
■
Right
atrium
Right
ventricle
Left atrium
Left
ventricle
1. C, 2. F, 3. H, 4. A, 5. D, 6. G, 7. I, 8. B, 9. E
Game 3
Cross-training
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