Lecture exam pt 2

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Author:
Missyd19
ID:
103201
Filename:
Lecture exam pt 2
Updated:
2011-09-20 22:27:03
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heart blood veins
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a&p2 lecture exam pt 2
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  1. Lub-Dub are the sounds associated with the opening and closing of the ___ ____
    HEART VALVES
  2. Cardiac cycle: all events associated with blood flow during one ___ ____ ____
    complete heart beat
  3. Phases of cardiac cycle: ventricular filling takes place mid to late ____
    The ___ valves open
    __% of blood passively flows into ventricles
    • diastole
    • AV
    • 80
  4. ___ ____ ____- max amount of blood that will hold each cardiac cycle
    end diastolic volume
  5. Isovlumetric relaxation occurs in early ___
    DIASTOLE
  6. ___ ____- Volume of blood pumped by each ventricle in one minute
    cardiac output
  7. What is the calculation for cardiac output?
    CO=HR X SV
  8. ___ ___ = beats per minute
    Stroke Volume = volume of blood pumped out by the ____ with each beat
    • heart rate
    • ventricles
  9. Norepinephrine cases the pacemaker to fire more ____
    rapidly
  10. Acetylcholine ____ the pacemaker cells
    hyperpolarizes
  11. ____ reflex- sympathetic reflex initiated by increased venous return
    atrial
  12. Blood is the only liquid ___ ___
    connective tissue
  13. Blood is a ____
    suspension
  14. RBCs, WBCs, and Platelets are formed in the ___ ____
    bone marrow
  15. Rbcs don't have a ___. They contain ____ to transport ___
    • nucleus
    • hemoglobin
    • gases
  16. Platelets help with blood ___
    clotting
  17. the pH of blood is ___ - ___ and is ___ degrees celcius
    • 7.35-7.45
    • 38
  18. Erithrocytes- __% of blood
    ______-Less than 1% of blood
    _____ - 55% of blood
    • 45
    • leukocytes
    • plasma
  19. Avg volume of blood is __-__ liters for males and __-__ liters for females
    • 5-6
    • 4-5
  20. Blood regulates body temperature by ____ and ____ heat
    Regulates pH by using ___
    • absorbing and distributing
    • buffers
  21. Erythrocytes are filled with ___ for the transport of ___
    They contain plasma membrane protein ___ and other proteins. They provide flexibility to change shape as needed.
    • hemoglobin
    • gases
    • spectrin

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