Which of the Following Statements Are True Regarding the Use

Multiple Choice

Which of the following statements are true regarding the use of controlled ventilation?
1) May allow the muscles of breathing to rest.
2) Can use larger 1:E ratio and may improve oxygenation.
3) Requires use of paralytic agents in spontaneously breathing patients.
4) Therapist has little control of needed inspiratory flow and pressure.

A) 1 and 3 only
B) 1, 2, and 3 only
C) 3 and 4 only
D) 2, 3, and 4 only