Cardiopulmonary A&P Heart Exam Review

  1. Thickest walled, powerful chamber of the heart:
    left ventricle
  2. Large vessels returning blood to the right atrium:
    superior and inferior vena cava
  3. Thinnest walled blood vessels:
  4. Inner lining of the heart:
  5. Last valve which blood passes through on its way of of the heart:
    aortic valve
  6. Active phase of the cardiac cycle _______, resting phase _______
    systole, diastole
  7. Outer layer of the heart:
  8. Muscular layer of the heart:
  9. Normal heart mechanism, but fast:
    Sinus tachycardia
  10. Normal heart mechanism, but slow:
    sinus bradycardia
  11. Range for normal adult heart rate:
    60-100 bpm
  12. Tricuspid valve separates which two chambers:
    right atrium, right ventricle
  13. Valve between left atrium and ventricle:
    mitral (bicuspid) valve
  14. Superior vena cava delivers blood to the:
    right atrium
  15. Outside covering or sac surrounding the heart:
  16. Thin-walled upper heart chambers, receiving blood from veins:
  17. Valve between right ventricle and pulmonary artery:
    pulmonic valve
  18. Umbilical cord - how many veins, how many arteries:
    1 vein, 2 arteries
  19. List, in order, the components of the heart's electrical conduction system:
    SA node>AV node>Bundle of His>L/R bundle branches>Purkinje fibers
  20. Medical term for a heart attack:
    myocardial infarction
  21. Causes of pumonary vasoconstriction:
    hypoxia, hypercapnia, high altitude, acidemia
  22. Vessels which return blood to the heart:
  23. Vessels which supply blood, oxygen, nutrients to the heart:
    coronary arteries
  24. Universal blood donor type:
  25. Heart's rest period between contractions:
  26. Vessels which carry blood, osygen, nutrients out to the body:
  27. Average PO2 in the umbilical arteries during fetal life:
    20 hg/mm
  28. Differences between fetal cirulation and adult circulation:
    ductus arteriousus, ductus venosus, foramen ovale
  29. Most oxygenated blood from the placenta enters the _________ via the __________.
    right atrium, umbilical cord
  30. Alveoli count in a normal newborn:
    24 million
  31. Approximate tidal volume in a newborn:
    15 ml
  32. Medical term for RBCs and WBCs:
    erythrocytes, leukocytes
  33. Three primary functions of the blood:
    Carry oxygen, carry nutrients, defend against infection
  34. What happens in the heart during the P wave?
    atria contracts (depolarizes)
  35. What happens in the heart during the QRS complex?
    ventricles contracts (depolarizes)
  36. What happens to the heart during the T wave?
    atria repolarizes
  37. What is the duration of the PR interval?
    .12 - .20 seconds
  38. BP = _____ x _____
    BP = CO x SVR

    (SVR is systemic vascular resistance)
  39. CO = _____ X _____
    CO = SV x HR

    • (*SV IS APPROX 70 ml)
    • CO is cardiac output expressed in L/min (normal ~5 L/min)
    • SV is stroke volume per beat (normal ~70ml)
    • HR is the number of beats per minute
Card Set
Cardiopulmonary A&P Heart Exam Review
Heart A&P