Most local anesthetic injections through tissue are considered invasive and require premedication for at-risk patients

Which of the following are acceptable indicators of hypoxemia for purposes of justifying home O2 therapy? 1. Resting PaO2 of 55 mm Hg (room air) 2. Drop in SaO2 below 89% during ambulation 3. Resting arterial SaO2 below 88% (room air)

a. 1 and 2 only b. 2 and 3 only c. 1 and 3 only d. 1, 2, and 3

A weight of 54 kilograms is equal to how many pounds?

A) 108 B) 27 C) 118.8 D) 81