Download Chapter 08 Cardiovascular System Part A Practice Numeric

Chapter 08 Cardiovascular System Part A
Practice
Numeric Response
Figure 1. Use the above diagram to answer the following questions.
1. Which of the above structures is the right atrium?
Choose “0” if the structure is not numbered.
2. Which of the above structures is the tricuspid valve?
Choose “0” if the structure is not numbered.
3. Which of the above structures is the superior vena cava?
Choose “0” if the structure is not numbered.
4. Which of the above structures is the aorta?
Choose “0” if the structure is not numbered.
5. Which of the above structures is the pulmonary artery?
Choose “0” if the structure is not numbered.
Multiple Choice
Identify the choice that best completes the statement or answers the question.
6. Which one of the following are direct branches of the left coronary artery:
A. circumflex and marginal arteries
B.
C.
D.
E.
anterior and posterior interventricular arteries
anterior interventricular and marginal arteries
anterior interventricular and circumflex arteries
posterior interventricular and marginal arteries
7. What is found next to the heart?
A. visceral layer
B. parietal layer
C. serous fluid
D. epicarium
E. two of the above are correct
8. Which is NOT a characteristic of cardiac cells?
A. They work according to the All or None principle.
B. They are in permanent Go.
C. They have one nucleus per cell.
D. They are self stimulating.
E. They use glucose as their energy source.
9. The aortic semilunar valve is composed of:
A. two cusps and opens when the left ventricle contracts
B. three cusps and opens when the left ventricle contracts
C. two cusps and opens when the right atrium contracts
D. three cusps and opens when the right atrium contracts
E. two cusps and closes when blood s filling the pulmonary circuit
10. The superior vena cava empties:
A. oxygenated blood into the left atrium
B. oxygenated blood into the left ventricle
C. deoxygenated blood into the right atrium
D. deoxygenated blood into the right ventricle
E. deoxygenated blood into the left atrium
11. The mitral valve is normally closed:
A. when the ventricle is in diastole
B. when the ventricle is in systole
C. when the atrim is contracting
D. by the movement of blod from the atrium to the ventricle
E. wehn the ventricle is contracting
12. The volume of blood pumped out by each ventricle with each beat of he heart is called the:
A. cardiac output
B. cardiac cycle
C. stroke volume
D. heart rate
E. diastolic pressure
13. The path of blod flow within the systemic vascular system is:
A. arterioles, arteries, capillary beds, venules, veins
B.
C.
D.
E.
arterioles, arteries, capillary beds, veins, venules
arterioles, arteries, venules, veins, capillary beds
arteries, arterioles, capillary beds, veins, venules
arteries, arterioles, capillary beds, venules, veins
14. Into which one of the following vessels does blood enter during le ftventricular contraction:
A. aorta
B. pulmonary veins
C. pulmonary trunk
D. both A and B
E. both A and C
15. Which one of the following is true ocncerning the lub-dub sounds of the heart:
A. the first sound is longer and louder and is caused by closure of the tricuspid valve; the
second sound is shorter and sharper and is caused by closure of the mitral valve.
B. the first sound is shorter and sharper and is caused by closure of the tricuspid valve; the
second sound is longer and louder and is caused by closure of the mitral valve.
C. they are caused by contraction of the ventricles, followed by contraction of the atria
D. the first sound is longer and louder and is caused by closure of the AV valve; the second
sound is shorter and sharper and is caused by closure of the semilunar valves.
E. the first sound is shorter and sharper and is caused by closure of the semilunar valves; the
second sound is longer and louder and is caused by closure of the AV valve.
16. When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the:
A. right ventricle to the right atrium
B. left ventricle to the left atrium
C. left atrium to the right atrium
D. right atrium to the left atrium
E. left ventricle to the right ventricle
17. Which one of the following areas receives blood directly from the four pulmonary veins:
A. lungs
B. right atrium
C. right ventricle
D. left atrium
E. left ventricle
18. What do the gap junctions called intercalated discs do?
A. support heart muscle cells
B. allow cardiac cells to communicate with each other
C. grind up old worn out cardiac cells
D. allow the atria and ventricles to contract independantly
E. There is no such thing as an intercalated disc.
19. Which one of the following blood vessels is NOT part of the systemic circulation:
A. coronary arteries
B. aorta
C. inferior vena cava
D. carotid arteries
E. pulmonary arteries
20. The thick layer of the heart wall that contains contractile cardiac muscle tissue is the:
A. visceral pericardium
B. parietal pericardium
C. endocardium
D. epicardium
E. myocardium
21. Which of the following blood vessels carries oxygenated blood:
A. superior vena cava
B. inferior vena cava
C. coronary sinus
D. pulmonary artery
E. pulmonary vein
22. The tricuspid valve is located between the:
A. right atrium and left atrium
B. right atrium and right ventricle
C. left ventricle and pulmonary artery
D. left ventricle and aorta
E. right ventricle and the pulmonary trunk
23. Which of the following terms does not below with the others?
A. first beat I hear
B. diastolic
C. 120
D. push
E. top number
24. The atria of the heart are the chambers that are:
A. located superiorly and are the receiving chambers of the heart
B. located inferiorly and are the receiving chambers of the heart
C. located superiorly and are the discharging chambers of the heart
D. located inferiorly and are the discharging chambers of the heart
E. located posteriorly and are the discharging chambers of the heart
25. The heart is about the size of
A. one fist
B. two hands
C. one thumb
D. two thumbs
E. one foot