The Statement That Is True Concerning the Use of Permissive

Multiple Choice

The statement that is true concerning the use of permissive hypercapnia in the management of patients with acute respiratory distress syndrome (ARDS) includes which of the following?

A) The pH may be allowed to drop as low as 7.1.
B) Tromethamine (THAM) may be used to keep the pH above 7.2.
C) Partial pressure of carbon dioxide (PaCO₂) needs to rise rapidly to achieve success.
D) PaCO₂ should not be allowed to rise above 60 mm Hg.