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NAME: ___________________________
STUDENT ASSIGNMENT
CHAPTER 12: THE CIRCULATORY SYSTEM
Identification
Identify the following areas of the heart. Write your answers in the spaces provided.
The heart:
(1) ________________________________
(2) ________________________________
(3) ________________________________
(4) ________________________________
(5) ________________________________
(8) ________________________________
(9) ________________________________
(10) _______________________________
(13) _______________________________
(14) _______________________________
14
13
1
2
3
10
4.
9
5
8
Matching
Select the most correct answer from Column B for each item in Column A. (Only one
answer is correct for each.)
Column A
_____
_____
_____
_____
_____
_____
_____
_____
_____
_____
Column B
15. Heart attack
A.
16. QRS complex
B.
17. Systole
C.
18. Pulmonary circulation
D.
19. Bicuspid
E.
20. Hepatic portal circulation F.
21. Heart muscle
G.
22. Pacemaker
H.
23. T wave
I.
24. Chest pain
J.
Sinoatrial node
Liver
Myocardium
Ventrical repolarization
Angina pectoris
Myocardial infarction
Ventrical depolarization
Ventrical contraction
Lungs
Mitral
Multiple Choice
25. A structure called the foramen ovale connects which of the following?
A. right atrium and right ventricle
B. left atrium and left ventricle
C. right and left atria
D. right and left ventricles
26. What is the valve that permits blood flow from the right ventricle into the pulmonary
artery called?
A. tricuspid
B. mitral
C. aortic semilunar
D. pulmonary semilunar
27. To where does the superior vena cava carry blood?
A. left ventricle
B. coronary arteries
C. right atrium
D. pulmonary veins
28. What is the innermost coat of an artery that comes into direct contact with blood
called?
A. lumen
B. tunica externa
C. tunica interna
D. tunica media
29. Ventricular contraction of the heart occurs immediately after depolarization of which
of the following?
A. Purkinje fibers
B. atrioventricular node
C. sinoatrial node
D. bundle of His
30. What is the outside covering that surrounds and protects the heart called?
A. endocardium
B. myocardium
C. pericardium
D. ectocardium
31. What are the thin-walled upper heart cavities that receive blood from veins called?
A. chordae tendineae
B. atria
C. pericardia
D. ventricles
32. Which of the following events, if any, would not cause blood pressure to increase?
A. hemorrhaging
B. increasing the viscosity of blood
C. increasing strength of heartbeat
D. all of the above
33. What are the components of the cardiovascular system that carry blood away from the
heart called?
A. arteries
B. sinuses
C. veins
D. capillaries
34. On an EKG the T wave represents what?
A. P wave
B. atrial depolarization
C. ventrical repolarization
D. all of the above