Which one of the following represents why a physician would order an IV for immediate accessibility?

A drug's ability to cause the expected response is its:

a. concentration. c. viability. b. affinity. d. efficacy.

The gas that enters the ventilator from high-pressure sources goes directly to the patient. This is a description of a _____ system

a. single-circuit c. pneumatic circuit b. double-circuit d. power transmission