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200 pt

Heart Anatomy. Blood Flow. CCS. ECG. Heartium. 100 pt. 100 pt. 100 pt. 100 pt. 100 pt. 200 pt. 200 pt. 200pt. 200 pt. 200 pt. 300 pt. 300 pt. 300 pt. 300 pt. 300 pt. 400 pt. 400 pt. 400 pt. 400 pt. 400 pt. 500 pt. 500 pt. 500 pt. 500 pt. 500 pt.

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200 pt

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  1. Heart Anatomy Blood Flow CCS ECG Heartium 100 pt 100 pt 100 pt 100 pt 100 pt 200 pt 200 pt 200pt 200 pt 200 pt 300 pt 300 pt 300 pt 300 pt 300 pt 400 pt 400 pt 400 pt 400 pt 400 pt 500 pt 500 pt 500 pt 500 pt 500 pt

  2. Describe the chambers in the heart and their functions.

  3. Atria: collection chambersseparated by interatrial septumVentricles: discharging chambersseparated by interventricular septumwalls consists of papilary muscleslarger in size and more muscular

  4. Name the four valves in the heart and their locations

  5. 1. Atrioventricular valve: Right AVaka tricuspid2. Atrioventricular : Left AV aka bicuspid3.pulmonary semilunar valve 4. Aortic semilunar valve

  6. A backflow of blood caused by a faulty valve is called a __________.

  7. mumur

  8. What are the 3 layers of heart tisse?

  9. Pericardium: 2 layered sac surrounding the heart tissue; contains serous fluid • Epicardium: lines the outside of the heart • Endocardium: muscle tissue; inner layer of heart tissue

  10. The angle of the heart within the chest should be between ____ and _____?

  11. 0- 90 degrees

  12. Blood that drains into the right atria from these veins

  13. Superior and inferior vena cava

  14. Pulmonary veins deposit _______ blood into the _______ _________.

  15. Oxygenated; left atrium

  16. The blood flow is divided into these 2 circuits.

  17. Systemicpulmonary

  18. This ascending and descending vessel takes blood from the left ventricle to the rest of the body.

  19. aorta

  20. DAILY DOUBLE • Describe the flow of blood through the heart? (limited time)

  21. Superior and inferior vena cava-right atrium-tricuspid valve-right ventricle-pulmonary semi-lunar valve-pulmonary arteries-lungs-pulmonary veins-left atrium-mitral valve-left ventricle-aortic valve-aorta-branches of aorta (brachiocephalic, supclavian, carotid)

  22. This part of the CCS is known as the primary pace maker.Where is it located?

  23. SA nodelocated in wall of right atrium near opening of the superior vena cava

  24. The AV node, located in right atrium, send electrical impulses to this bundle of fibers.

  25. AV bundle“bundle of His”

  26. These fibers function to contract the ventricles and are stimulated by the ______________.

  27. Purkinje fibers; AV bundle

  28. This node can be called a secondary pacemaker, making the heart beat ~60 beats/min.

  29. AV node

  30. The heart muscle is considered ______ ___________ even in the absence of an externally applied nervous impulse. • It can be placed in these certain aqueous solutions to stimulate contractions.

  31. Self-excitatory

  32. This wave depicted on an ECG involves the depolarization of the ventricular walls.

  33. QRS complex

  34. Which wave represents the depolorization of the atria?

  35. P wave

  36. What does the T wave represent?

  37. Repolarization of the ventricles; relaxation of ventricular walls

  38. Which wave on the ECG represents the repolarization of the atria?.

  39. Not depicted on the graph b/c it is masked by the QRS complex, not recorded as a distinct wave.

  40. Explain the following equationCO=HR x SV

  41. Cardiac output is equivalent to the heart rate times the amount of blood with each beat

  42. a. What is an arrhythmia? b. List 3 factors that can affect heart rate

  43. Altered heart rhythms or irregular heart beatfactors: temperatureionsdrugsphysical activity (exercise)

  44. Explain the condition of tachycardia and possible causes.

  45. Abnormally fast heart rate (100beats/min)caused by shock, drugs, hormones, heart disease, increase in body temperature, exercise, anemia

  46. Justify why ventricular fibrillation is more life threatening than atrial fibrillation.

  47. Ventricles pump O2 blood to systemic and pulmonary circuits…..

  48. During ______ the heart is relaxed.

  49. diastole

  50. Systole involves the _____ of blood through the systemic and ______ circuits.The pressure in the arteries become _______ and the _______ close.

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