Science / Alveolar Ventilation & Composition/ Acid Base Physiolog

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

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

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