ECG Chapter 2

1. Each electrical activity of the heart is recorded on the ECG strip

True

False

2. Blood that has little or no oxygen

Oxygenated blood

Deoxygenated blood

Cardiac cycle

3. The major blood vessels that transport blood to and from the heart are the vena cava, pulmonary artery, pulmonary veins, and the aorta

True

False

4. Blood having oxygen

Oxygenated blood

Deoxygenated blood

Diastole

5. The process of transporting blood to and from the body tissues is known as circulation

True

False

6. What is the middle layer of the heart or th musular layer?

Endocardium

Myocardium

Epicardium

Pericardium

7. Valve located between the right atrium and right ventricle

Mitral valve

Tricuspid valve

Semilunar valve

8. 启动 initiates the heartbeat

SA node

AV node

Excitability

9. Period between the beginning of one beat of the heart to the next

Cardiac cycle

Systole

Diastole

10. What wave on the ECG tracing is not always seen and sonetimes when seen can indicate an electrolyte imbalance?

U wave

P wave

Q wave

R wave

11. The PR interval is usually

0.06 to 0.10 second

0.12 to 0.20 second

Greater than 0.20 second

Less than 0.06 second

12. Initiates heart at a rate of 60-100 beats per minute with electrical impulse that cause depolarization

Sinoatrial (SA) node (pacemaker)

Atrioventricular (AV) node

Bundle of His (AV bundle)

Bundle branches

13. The sympathetic system of the body causes the heart rate to

Increase

Decrease

Remain the same

None of the above

14. 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?

ST segment

QT segnent

U wave

QRS complex

15. Phase of the cardiac cycle when the heart is expanding and refilling; also known as the relaxation phase

Cardiac cycle

Diastole

Systole

16. Separates left atrium and left ventricl

Mitral (bicuspid) atrioventricular

Aortic semilunar

Tricuspid atrioventricular

Pulmonary smilunar

17. Artery that transports blood to the entire body

Aorta

Right atrium

Right ventricle

18. Type of valve located in the aorta and the pulmonary artery

Aorta

Mitral valve

Semilunar valve

19. Heart chamber that pumps blood to the body, known as the workhorse of the heart

Right ventricle

Right atrium

Left ventricle

20. Atrioventricular valve between the left atrium and left ventricle

Semilunar valve

Mitral valve

Aorta

21. Separates right atrium and right ventricle

Pulmonary smilunar

Tricuspid atrioventricular

Aortic semilunar

Mitral (bicuspid) atrioventricular

22. The heart is contained inside a sac also known as the

Endocardium

Pericardial sac

Myocardium sac

Fluid sac

23. Heart muscle cells return to their resting electrical state and the heart muscle relaxes

Repolarization

Depolarization

Polarization

24. Transportation of blood to and from the lungs

Coronary circulation

Systemic circulation

Pulmonary cirulation

25. The heart's ability to create its own electrical impulse is known as

Conductivity

Contractility

Automaticity

Excitability

26. Which electrical stimulation is shown by the return to the resting phase of the heart?

Polarization

Repolarization

Depolarization

27. Inner layer of the heart that lines the chamber and valves, The Purkinje are located here

Endocardium

Myocardium

Epicardium

Pericardium

28. Which electrical event is represented by the cardiac contraction of the heart?

Polarization

Depolarization

Repolarization

29. Delays the electrical conduction through the heart

AV node

SA node

Purkinje fibers

30. 分配 distribute electrical impulses from cell to cell throughout the ventricles

Excitability

Depolarization

Purkinje fibers

31. The ability of the heart to initiate an electrical impulse without being stimulated by another or independent source.

Conductivity

Exitability

Automaticity

Contractility

32. Ability of the heart muscle cells to shorten in response to an electrical stimulus

Conductivity 电导率

Automaticity

Contractility 收缩

33. Branches off the bundle of His that conduct impulses to the left and right ventricles

Bundle branches

Purkinje fibers

Repolarization

34. Contraction phase of the cardiac cycle, when the heart is pumping blood out to the body

Systole

Cardiac cycle

Diastole

35. Heart chamber that receives blood from the lungs

Left atrium

Left ventricle

Right atrium

36. Ability of the heart to initiate an electrical impulse 电脉冲启动

Excitability

Automaticity

Conductivity

37. Chamber of the heart that receives blood from the body

Left atrium

Left ventricle

Right atrium

38. The ability of the heart cells to receive and transmit an electrical impulses

Conductivity

Automaticity

Exitability

Contractility

39. Circulation between the heart and the entire body exluding the lungs

Pulmonary cirulation

Systemic circulation

Coronary circulation

40. This ability of the heart muscle cells to shorten in response to an electrical stimulus is call

Contractility

Conductivity

Exitability

Automaticity

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

Pericardium

Epicardium

Myocardium

Endocardium

42. Ability of the heart cells to receive and transmit an electrical impulse

Excitability

Automaticity

Conductivity

43. Blood vessel that transports blood from the lungs to the left atrium

Pulmonary vein

Right pulmonary artery

Left pulmonary arteries

44. Chamber of the heart that pumps blood to the lungs

Right ventricle

Left ventricle

Right atrium

45. An electrical current that initiates the contraction of the heart muscle

Depolarization

Repolarization

Polarization

46. Circulation of blood through the heart and heart muscle

Systemic circulation

Pulmonary cirulation

Coronary circulation

47. What are the first vessels to branch off the aorta known as?

Pulmonary arteries

Interventricular arteries

Coronary arteries

48. Outside, thin layer of the heart that contains the coronary arteries; also the inner layer of the pericardium

Endocardium

Myocardium

Epicardium

Pericardium

49. Between left ventricle and aorta

Aortic semilunar

Pulmonary smilunar

Tricuspid atrioventricular

Mitral (bicuspid) atrioventricular

50. Blood vessel that provides a pathway for deoxygenated blood to return to the lungs

Pulmonary vein

Left ventricle

Pulmonary artery

51. Between right ventricle and pulmonary artery

Pulmonary smilunar

Tricuspid atrioventricular

Mitral (bicuspid) atrioventricular

Aortic semilunar

52. Delays the electrical impulse to allow for the atria to complete their contraction and ventricles to fill before the next contraction

Bundle branches

Bundle of His (AV bundle)

Atrioventricular (AV) node

Sinoatrial (SA) node (pacemaker)

53. Which electrical event is represented by th first state of cellular in the heart?

Depolarization

Repolarization

Polarization

54. Distributes the electrical impulses through the right and left ventricles

Bundle of His (AV bundle)

Atrioventricular (AV) node

Purkinje fibers (network)

Sinoatrial (SA) node (pacemaker)

55. Which of the following would have the least effect on the heart rate?

Stress, exercise, and fever

ANS

Potassium and calcium

Respiratory rate

56. Conducts impulses down both sides of the interventricular septum

Sinoatrial (SA) node (pacemaker)

Bundle of His (AV bundle)

Bundle branches

Atrioventricular (AV) node

57. The ability of the heart muscle cell to repond to a stimulus or impulse is call

Automaticity

Exitability

Conductivity

Contractility

58. What part of the ECG tracing repressents the time it takes for the impulse to activate the myocardium to the complete contraction?

WRS complex

J point

QT interval

PR interval

59. Which vessel of the body contains the highest concentration of oxygen?

Aorta

Pulmonary vein

Pulmonary artery

Vena cava

60. What part of the ECG tracing represents the repolarization of the bunddle of His and Purkinje fibers?

T wave

PR interval

U wave

P wave

61. Conducts electrical impulses from the atria to the ventricles

Bundle branches

Atrioventricular (AV) node

Bundle of His (AV bundle)

Sinoatrial (SA) node (pacemaker)

ECG Chapter 2

1. Each electrical activity of the heart is recorded on the ECG strip

2.

What first name or nickname would you like us to use?

2. Blood that has little or no oxygen

3. The major blood vessels that transport blood to and from the heart are the vena cava, pulmonary artery, pulmonary veins, and the aorta

4. Blood having oxygen

5. The process of transporting blood to and from the body tissues is known as circulation

6. What is the middle layer of the heart or th musular layer?

7. Valve located between the right atrium and right ventricle

8. 启动 initiates the heartbeat

9. Period between the beginning of one beat of the heart to the next

10. What wave on the ECG tracing is not always seen and sonetimes when seen can indicate an electrolyte imbalance?

11. The PR interval is usually

12. Initiates heart at a rate of 60-100 beats per minute with electrical impulse that cause depolarization

13. The sympathetic system of the body causes the heart rate to

14. 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?

15. Phase of the cardiac cycle when the heart is expanding and refilling; also known as the relaxation phase

16. Separates left atrium and left ventricl

17. Artery that transports blood to the entire body

18. Type of valve located in the aorta and the pulmonary artery

19. Heart chamber that pumps blood to the body, known as the workhorse of the heart

20. Atrioventricular valve between the left atrium and left ventricle

21. Separates right atrium and right ventricle

22. The heart is contained inside a sac also known as the

23. Heart muscle cells return to their resting electrical state and the heart muscle relaxes

24. Transportation of blood to and from the lungs

25. The heart's ability to create its own electrical impulse is known as

26. Which electrical stimulation is shown by the return to the resting phase of the heart?

27. Inner layer of the heart that lines the chamber and valves, The Purkinje are located here

28. Which electrical event is represented by the cardiac contraction of the heart?

29. Delays the electrical conduction through the heart

30. 分配 distribute electrical impulses from cell to cell throughout the ventricles

31. The ability of the heart to initiate an electrical impulse without being stimulated by another or independent source.

32. Ability of the heart muscle cells to shorten in response to an electrical stimulus

33. Branches off the bundle of His that conduct impulses to the left and right ventricles

34. Contraction phase of the cardiac cycle, when the heart is pumping blood out to the body

35. Heart chamber that receives blood from the lungs

36. Ability of the heart to initiate an electrical impulse 电脉冲启动

37. Chamber of the heart that receives blood from the body

38. The ability of the heart cells to receive and transmit an electrical impulses

39. Circulation between the heart and the entire body exluding the lungs

40. This ability of the heart muscle cells to shorten in response to an electrical stimulus is call

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

42. Ability of the heart cells to receive and transmit an electrical impulse

43. Blood vessel that transports blood from the lungs to the left atrium

44. Chamber of the heart that pumps blood to the lungs

45. An electrical current that initiates the contraction of the heart muscle

46. Circulation of blood through the heart and heart muscle

47. What are the first vessels to branch off the aorta known as?

48. Outside, thin layer of the heart that contains the coronary arteries; also the inner layer of the pericardium

49. Between left ventricle and aorta

50. Blood vessel that provides a pathway for deoxygenated blood to return to the lungs

51. Between right ventricle and pulmonary artery

52. Delays the electrical impulse to allow for the atria to complete their contraction and ventricles to fill before the next contraction

53. Which electrical event is represented by th first state of cellular in the heart?

54. Distributes the electrical impulses through the right and left ventricles

55. Which of the following would have the least effect on the heart rate?

56. Conducts impulses down both sides of the interventricular septum

57. The ability of the heart muscle cell to repond to a stimulus or impulse is call

58. What part of the ECG tracing repressents the time it takes for the impulse to activate the myocardium to the complete contraction?

59. Which vessel of the body contains the highest concentration of oxygen?

60. What part of the ECG tracing represents the repolarization of the bunddle of His and Purkinje fibers?

61. Conducts electrical impulses from the atria to the ventricles