Which phase of the imaging process incorporates the concepts of spatial resolution, density and brightness, and contrast and dynamic range?

A cooperative and alert postoperative patient who is able to eat requires a continuous but low FiO2. Precise FiO2 concentrations are not needed. Which of the following devices would best achieve this end?

a. Simple O2 mask b. Air-entrainment mask c. Nasal cannula d. Nonrebreathing mask

Hyperoxemia is a sign of sepsis

Indicate whether the statement is true or false