Alveolar Ventilation & Composition/ Acid Base Physiolog

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Can you name the Alveolar Ventilation & Composition/ Acid Base Physiolog?

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T/F: An increase in respiratory rate ALWAYS increases alveolar gas exchange or alveolar ventilation.
amount of air that is breathed in and out each minue
Calculated by multiplying tidal volume x respiratory rate
increase in respiratory rate with an increase in alveolar ventilation
______ partial pressure of O2 is calculated by atmospheric pressure X FIO2
amount of air that makes it into the alveolar airways
an decrease in alveolar ventilation with unchanged metabolism causes a ____ (increase or decrease) in blood CO2
blood carbon dioxide levels (mm Hg)
high blood pH
an decrease in alveolar ventilation with unchanged metabolism causes a ____ (increase or decrease) in blood O2
main blood base
_______ partial pressure of O2 is calculated by [(atmospheric pressure- water pressure) X FIO2]
_______ partial pressure of O2 is calculated by [(inspired partial pressure of O2) - (pCO2/R)]
an increase in alveolar ventilation with unchanged metabolism causes a ____ (increase or decrease) in blood O2
calculated by taking the ratio of CO2 produced over the O2 consumed.
QuestionAnswer
What factor is most important in determining alveolar gas composition? (Tidal Volume or Respiratory Rate)
low blood pH
atmospheric partial pressure of oxygen @ sea level (mm Hg)
normal tidal volume (mL)
alveolar partial pressure of oxygen @ sea level (mm Hg)
Normal pH of the blood
ventilation _____ (increases or decreases) with an increase in pCO2
main blood acid
as you increase in altitude, what happens to barometric pressure? (increases or decreases)
an increase in alveolar ventilation with unchanged metabolism causes a ____ (increase or decrease) in blood CO2
defined as (tidal volume - anatomic dead space) x respiratory rate
inspired partial pressure of oxygen @ sea level (mm Hg)
increase in Respiratory rate without an increase in alveolar ventilation is known as _____.
defined as the volume of air held in the conducting airways during each tidal volume breath (not used for gas exchange)
blood oxygen levels (mm Hg)

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Created May 6, 2012ReportNominate
Tags:acid, base, composition