Delivery of a preset pressure for a specific inspiratory time best describes:

For situations in which an air-fluid level must be acquired, how should the patient/part be positioned?

prone lateral upright supine

In a healthy adult, what is the average time required to exhale during a FVC maneuver?

a. 1-3 seconds c. 7-9 seconds b. 4-6 seconds d. 10-12 seconds