What is the upper limit of O2 concentrations available through tents?
a. 60% to 70%
b. 50% to 60%
c. 40% to 50%
d. 30% to 40%
ANS: C
For example, in large tents O2 input flow of 12 to 15 L/min can provide only 40% to 50% O2 lev-els.
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The symptoms or circumstances for which a medication is given are called:
A) contraindications. B) indications. C) untoward effects. D) side effects.
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An 835-g newborn is receiving HFOV with the following settings: MAP = 10 cm H2O; FIO2 = 0.6; frequency = 10 Hz; amplitude (P) = 20 cm H2O
The ABG values are: pH = 7.35, PaCO2 = 40 mm Hg, PaO2 = 40 mm Hg. Based on these data, which of the following is the most appropriate action? a. Increase the frequency. b. Increase the MAP. c. Decrease the amplitude. d. Decrease the bias flow.
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