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Round off the value  531,496.39 to keep 2 significant figures.  Write the answer in the box:

A patient with an opiate drug overdose is unconscious and exhibits the following blood gas results: PH = 7.21, PaCO2 = 85, PaO2 = 50, HCO3 = 26. Which of the following best describes this patient’s condition?

Bonus Question worth 4 points.  Be sure to show all work for credit, since steps are worth points, as well as the answer. What is the molarity of a saline solution that contains 0.900 g NaCl (58.44 g/mol) dissolved in 100.0 mL of solution?

Convert 89 K to oC. Note: Do not show any places after the decimal.   Do not show any units.

Perform the operation 429.82 g / 321 mL and express to the proper number of significant figures:

Apply the like dissolves like rule and select ALL of the following liquids that are immiscible with water.

Select ALL the formulas that involve ONLY covalent bonding.

What is the molecular shape of a hydrogen sulfide molecule, H2S?  

A patient on mechanical ventilation is ordered to receive Updraft nebulizers with albuterol every 4 hours. The RT practitioner places an external nebulizer in-line and connects it to a flowmeter on the wall. All of the following may occur EXCEPTI. lower exhaled volume readingsII. increased patient effort necessary to triggerIII. increased peak inspiratory pressureIV. decreased tidal volume delivery

Given an MDI for drug administration, which of the following techniques will increase aerosol deposition by sedimentation in the lungs?