Nongated channels are always open

a. True
b. False

a

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The quality of the beam of radiation is determined by which exposure factor?

What will be an ideal response?

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A 75-year-old, 5-foot, 7-inch female patient with an exacerbation of COPD is placed on the fol-lowing NIV settings: IPAP = 8 cm H2O, EPAP = 4 cm H2O, rate = 12 breaths/min, FIO2 = 0.3

The resulting VT is 255 mL. An arterial blood gas sample is drawn 1 hour later, and the results are: pH = 7.33, PaCO2 = 70 mm Hg, PaO2 = 58 mm Hg, HCO3? = 35 mEq/L. What action should the respiratory therapist take at this time? a. Increase the rate to 14 breaths/min. b. Increase the IPAP to 10 cm H2O. c. Intubate and mechanically ventilate the patient. d. Increase the IPAP to 10 cm H2O and the EPAP to 6 cm H2O.

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