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A patient receiving 4 liters per minute oxygen through a nasal cannula has a measured pulse oximetry of 94% and shows no signs of hypoxemia. What would you recommend at this time?

Which of the following would LEAST confirm proper operation of an oxygen analyzer?

In which of the following patients would you consider modifying any head-down positions used for postural drainage?

Which of the following is NOT an advantage of the Acapella over the flutter valve?

A 55-year-old-female is receiving oxygen through a nonrebreathing oxygen mask set at 10 liters per minute. You notice that the mask’s reservoir bag does not collapse before the end of each inspiration. What action would you take next?

Which of the following is a potential toxic side effect of inhaled NO?

A nurse informs you that the chest radiograph of your patient shows infiltrates in the posterior basal segments of the lower lobes. She asks you what postural drainage position you would recommend for drainage. Which would you recommend?

According to the Arrhenius concept, if NaOH were dissolved in water, it would act as ________.

[x] g of NaCl is completely dissolved to prepare 100-mL solution in a volumetric flask. What is the molarity of this solution?_____________________ M NaCl. Do NOT enter unit.

Water is a polar solvent and hexane (C6H14) is a nonpolar solvent. Which of the following correctly describes the solubility of the solute?(a) CCl4, soluble in water(b) NaHCO3, soluble in water(c) octane (C8H18), soluble in water(d) CaCl2, soluble in hexane