NSG 533 Pulmonary Practice Exam Questions And 100% Correct Answers.
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Course
NSG 533
Institution
NSG 533
Blood Gas values - Answer pH: 7.35-7.45
PaO2: 80-100
PaCO2: 35-45
Ventilation - Answer The movement of air in and out of lungs - a function of tidal volume and respiratory rate. Analyze PaCO2.
-Inversely related to PaCO2 -- if a person is breathing slowly and shallowly, PaCO2 will be hi...
-Opposite end of shunt is dead space, where there's no blood flow to pulmonary capillary despite lots of
ventilation.
*Shunt (low ventilation to perfusion ratio; and extreme form of low V/Q mismatch)
-In cases of pneumonia, ARDs, pulmonary edema
* Diffusion defect (thickening of alveolar capillary membrane)
-In cases of fibrosis (thickening of alveolar/capillary liner from interstitial lung disease; diffusion of O2) or
increased distance between the walls (milder pulmonary edema, d/t fluid; diffusion of O2) -- measure
with DLCO.
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