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Number 1. series of myocardial contractions and relaxations that make up one heartbeat

Correct Answer: cardiac cycle

Number 2. a membrane that encloses the heart

Correct Answer: pericardium

Number 3. a lubricating fluid functioning to decrease friction during the heart’s beating movement

Correct Answer: serous fluid

Number 4. the valve found between the left atrium and left ventricle

Correct Answer: Mitral Valve

Number 5. those valves found between the atria and ventricles

Correct Answer: Atrioventricular (AV) Valves

Number 6. on the right side of the heart

Correct Answer: Tricuspid Valve

Number 7. those valves at the top of the heart

Correct Answer: Semilunar Valves

Number 8. on the right side of the heart

Correct Answer: Pulmonary Valve

Number 9. on the left side of the heart

Correct Answer: Aortic Valve

Number 10. period of contraction that the heart undergoes while it pumps blood into circulation

Correct Answer: Systole Phase

Number 11. period of relaxation that occurs as the chambers fill with blood

Correct Answer: Diastole Phase

Number 12. The AV valves close after blood is emptied from the atria.

Correct Answer: Ventricular diastole phase

Number 13. The bottom chambers (ventricles) are filled with blood and contract simultaneously, and blood flows out to the lungs and body through open semilunar valves

Correct Answer: Ventricular systole phase

Number 14. close after blood is emptied from the ventricles

Correct Answer: semilunar valves

Number 15. Listening to the heart for sounds with a stethoscope

Correct Answer: auscultation

Number 16. an instrument used to listen to a heartbeat

Correct Answer: stethoscope

Number 17. an abnormal heart sound

Correct Answer: murmur

Number 18. the moving structures such as valves and muscle

Correct Answer: mechanical system

Number 19. the electrical part or the conduction system where cells depolarize

Correct Answer: electrical system

Number 20. the parts where blood travels, such as inside the chamber and within the coronary arteries

Correct Answer: plumbing system

Number 21. (SV) volume of blood pumped out of the heart with each beat (average volume is 70ml)

Correct Answer: stroke volume

Number 22. (CO) volume of blood pumped out in one minute

Correct Answer: cardiac output

Number 23. supply blood to the heart muscle

Correct Answer: coronary arteries

Number 24. supplies blood to right side of the heart

Correct Answer: Right Coronary Artery

Number 25. supplies blood to the left side of the heart

Correct Answer: Left Main Coronary Artery

Number 26. reduction in oxygen can lead to a heart attack

Correct Answer: myocardial infarction

Number 27. most common cause of heart disease; a buildup of plaque in the inner lining of an artery causing it to narrow or become blocked

Correct Answer: Atherosclerosis

Number 28. a double-sac that contains serous fluid

Correct Answer: inner layer of pericardium

Number 29. composed of connective tissue stabilizing the heart within the cavity

Correct Answer: outer layer of pericardium

Number 30. the top chambers of the heart

Correct Answer: atria