DPT-772: ABG LECTURE EXAM QUESTIONS AND ANSWERS VERIFIED LATEST UPDATE 2024
What are two of the many functions of the blood
Transportation of gasses
Homeostasis
Transportation of gasses
O2 to the tissues
CO2 from the tissues
Homeostasis
Control pH
Atmospheric Air
78% nitrogen
21% oxygen
...
If a patient is given supplemental O2 to breath in, the FiO2 is
increased
If this extra oxygen increases the % of air to be 30% O2, then we would say the
FiO2 is
0.30
Oxygen is delivered to the patient by
nasal cannula, mask or tube.
Low flow oxygen is prescribed as a
flow rate of 0.5 L/min - 5 L/min
For every 1 L/min of supplemental O2 , the FiO2 increases
by .03 (3%)
High flow O2 is prescribed by the
FiO2 (%) and flow (L/min)
For every increase in FiO2 of 0.10, the PaO2 increases by
roughly 50 mmHg
O2 is given at a
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