Quiz 5 Flashcards
low p50 means high or low oxygen affinity
high
Oxygentation of hemoglobin does what to the C02 saturation curve?
moves it down and to the right
fick principle for tissue gas exchagne
CaO2-CvO2=VO2/Q
Vd/Vt is a ratio of what
dead space to title volume
equation to calculate (Vd/Vt) anatomical
(PACO2-PeCO2)/PACO2
large dead space makes P expired CO2 closer to PIC02 or PaCO2
PICO2
small dead space makes P expired CO2 closer to PIC02 or PACO2
PACO2
PICO2 is nearly what value?
0
physiological dead space causes PAO2 to be above or below true value?
below
equation to calculate (Vd/Vt) physiological
(PaCO2-PeCO2)/PaCO2
central assumption of gas exchange in regards PaCO2
PaCO2= true PACO2
PACO2=
(vdotCO2/VdotA)*0.863
draw the graph that relates Vdot A PACO2 , and vdotCO2
hyper/hypoventilation is defined by
PACO2
If alveoli fail to get ventilation what do the alveolar values look like
equilibrates w/ pulmonary capillary blood
PACO2=46 mm Hg
PAO2=40 mmm Hg