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

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