RES240 final exam review

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Author:
djones2007
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273512
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RES240 final exam review
Updated:
2014-05-06 20:29:42
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final
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res240 final review
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  1. What are arteries?
    large, highly elastic, low resistance vessels. elasticity helps transmit and maintain the head of pressure generated by the heart. they carry oxygenated blood

    they are called conductance vessels
  2. what are arterioles?
    smaller highly muscular vessels that allow for varying resistance which helps control blood flow to the capillaries. they carry oxygenated blood.

    they are called resistance vessels.
  3. what are the 3 types of circulation and what do they do in response to low 02?
    cerebral- low 02= dilation to increase blood flow to the brain

    peripheral systemic- low 02= constriction

    pulmonary- low 02 = constriction
  4. what are the normal arterial pressures?
    • 90-140
    • --------
    • 60-90
  5. what is mean airway pressure?
    the average arterial pressure

    • MAP = 2(diastolic)+systolic
    •           -----------------------
    •                        3

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