ECG Chapter 2

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1. Each electrical activity of the heart is recorded on the ECG strip
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2. Blood that has little or no oxygen
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3. The major blood vessels that transport blood to and from the heart are the vena cava, pulmonary artery, pulmonary veins, and the aorta
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4. Blood having oxygen
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5. The process of transporting blood to and from the body tissues is known as circulation
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6. What is the middle layer of the heart or th musular layer?
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7. Valve located between the right atrium and right ventricle
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8. 启动 initiates the heartbeat
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9. Period between the beginning of one beat of the heart to the next
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10. The PR interval is usually
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11. What wave on the ECG tracing is not always seen and sonetimes when seen can indicate an electrolyte imbalance?
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12. Separates left atrium and left ventricl
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13. Initiates heart at a rate of 60-100 beats per minute with electrical impulse that cause depolarization
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14. Artery that transports blood to the entire body
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15. What part of the ECG tracing is measured from the end of the S wave to the beginning of the T wave and is normally on the isoelectrial line?
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16. The sympathetic system of the body causes the heart rate to
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17. Phase of the cardiac cycle when the heart is expanding and refilling; also known as the relaxation phase
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18. Type of valve located in the aorta and the pulmonary artery
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19. Atrioventricular valve between the left atrium and left ventricle
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20. Heart chamber that pumps blood to the body, known as the workhorse of the heart
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21. Separates right atrium and right ventricle
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22. Heart muscle cells return to their resting electrical state and the heart muscle relaxes
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23. The heart is contained inside a sac also known as the
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24. Transportation of blood to and from the lungs
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25. The heart's ability to create its own electrical impulse is known as
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26. Which electrical stimulation is shown by the return to the resting phase of the heart?
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27. Inner layer of the heart that lines the chamber and valves, The Purkinje are located here
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28. Which electrical event is represented by the cardiac contraction of the heart?
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29. Delays the electrical conduction through the heart
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30. The ability of the heart to initiate an electrical impulse without being stimulated by another or independent source.
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31. Branches off the bundle of His that conduct impulses to the left and right ventricles
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32. Ability of the heart muscle cells to shorten in response to an electrical stimulus
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33. 分配 distribute electrical impulses from cell to cell throughout the ventricles
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34. Heart chamber that receives blood from the lungs
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35. Contraction phase of the cardiac cycle, when the heart is pumping blood out to the body
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36. This ability of the heart muscle cells to shorten in response to an electrical stimulus is call
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37. The ability of the heart cells to receive and transmit an electrical impulses
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38. Chamber of the heart that receives blood from the body
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39. Ability of the heart to initiate an electrical impulse 电脉冲启动
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40. Circulation between the heart and the entire body exluding the lungs
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41. A double-layer sac that encloses the heart. The inner layer, or visceral pericardium, is also called the epicardium; the outer is the parietal pericardium
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42. Ability of the heart cells to receive and transmit an electrical impulse
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43. Blood vessel that transports blood from the lungs to the left atrium
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44. Chamber of the heart that pumps blood to the lungs
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45. An electrical current that initiates the contraction of the heart muscle
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46. Circulation of blood through the heart and heart muscle
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47. What are the first vessels to branch off the aorta known as?
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48. Outside, thin layer of the heart that contains the coronary arteries; also the inner layer of the pericardium
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49. Between left ventricle and aorta
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50. Blood vessel that provides a pathway for deoxygenated blood to return to the lungs
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51. Between right ventricle and pulmonary artery
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52. Delays the electrical impulse to allow for the atria to complete their contraction and ventricles to fill before the next contraction
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53. Which electrical event is represented by th first state of cellular in the heart?
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54. Distributes the electrical impulses through the right and left ventricles
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55. Which of the following would have the least effect on the heart rate?
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56. Conducts impulses down both sides of the interventricular septum
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57. The ability of the heart muscle cell to repond to a stimulus or impulse is call
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58. What part of the ECG tracing repressents the time it takes for the impulse to activate the myocardium to the complete contraction?
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59. Which vessel of the body contains the highest concentration of oxygen?
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60. What part of the ECG tracing represents the repolarization of the bunddle of His and Purkinje fibers?
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61. Conducts electrical impulses from the atria to the ventricles
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Each electrical activity of the heart is recorded on the ECG strip
Blood that has little or no oxygen
The major blood vessels that transport blood to and from the heart are...
Blood having oxygen
The process of transporting blood to and from the body tissues is...
What is the middle layer of the heart or th musular layer?
Valve located between the right atrium and right ventricle
启动 initiates the heartbeat
Period between the beginning of one beat of the heart to the next
The PR interval is usually
What wave on the ECG tracing is not always seen and sonetimes when...
Separates left atrium and left ventricl
Initiates heart at a rate of 60-100 beats per minute with electrical...
Artery that transports blood to the entire body
What part of the ECG tracing is measured from the end of the S wave to...
The sympathetic system of the body causes the heart rate to
Phase of the cardiac cycle when the heart is expanding and refilling;...
Type of valve located in the aorta and the pulmonary artery
Atrioventricular valve between the left atrium and left ventricle
Heart chamber that pumps blood to the body, known as the workhorse of...
Separates right atrium and right ventricle
Heart muscle cells return to their resting electrical state and the...
The heart is contained inside a sac also known as the
Transportation of blood to and from the lungs
The heart's ability to create its own electrical impulse is known...
Which electrical stimulation is shown by the return to the resting...
Inner layer of the heart that lines the chamber and valves, The...
Which electrical event is represented by the cardiac contraction of...
Delays the electrical conduction through the heart
The ability of the heart to initiate an electrical impulse without...
Branches off the bundle of His that conduct impulses to the left and...
Ability of the heart muscle cells to shorten in response to an...
分配 distribute electrical impulses from cell to cell throughout the...
Heart chamber that receives blood from the lungs
Contraction phase of the cardiac cycle, when the heart is pumping...
This ability of the heart muscle cells to shorten in response to an...
The ability of the heart cells to receive and transmit an electrical...
Chamber of the heart that receives blood from the body
Ability of the heart to initiate an electrical impulse 电脉冲启动
Circulation between the heart and the entire body exluding the lungs
A double-layer sac that encloses the heart. The inner layer, or...
Ability of the heart cells to receive and transmit an electrical...
Blood vessel that transports blood from the lungs to the left atrium
Chamber of the heart that pumps blood to the lungs
An electrical current that initiates the contraction of the heart...
Circulation of blood through the heart and heart muscle
What are the first vessels to branch off the aorta known as?
Outside, thin layer of the heart that contains the coronary arteries;...
Between left ventricle and aorta
Blood vessel that provides a pathway for deoxygenated blood to return...
Between right ventricle and pulmonary artery
Delays the electrical impulse to allow for the atria to complete their...
Which electrical event is represented by th first state of cellular in...
Distributes the electrical impulses through the right and left...
Which of the following would have the least effect on the heart rate?
Conducts impulses down both sides of the interventricular septum
The ability of the heart muscle cell to repond to a stimulus or...
What part of the ECG tracing repressents the time it takes for the...
Which vessel of the body contains the highest concentration of oxygen?
What part of the ECG tracing represents the repolarization of the...
Conducts electrical impulses from the atria to the ventricles
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