It is best to transport routine blood specimens to the laboratory within:

After you apply the pulse oximeter to a patient who complains of chest discomfort, she asks you what you are assessing. You would respond by telling her that the pulse oximeter:

A) Provides the most accurate evaluation of the true heart rate B) Is a tool used to see if the airway needs to be opened C) Provides information about the amount of oxygen circulating in the blood D) Can tell how much carbon dioxide she is exhaling with each breath

The vaccine vial when mixed with a powder and diluent, should be inverted ____ to ____ times to mix.

Fill in the blank(s) with the appropriate word(s).