Motility problems of the colon and rectum are diagnosed by ________.

A patient has undergone surgery and is receiving continuous supplemental oxygen via a 30% air-entrainment mask

He or she becomes pale and short of breath during incentive spirometry. Pulse oximetry reveals a significant drop in oxygen saturation during incentive spirometry. The respiratory therapist should do which of the following for subsequent incentive spirometry therapy? a. Switch to a different type of incentive spirometer. b. Request that incentive spirometry be dis-continued. c. Cut a hole in the mask for the incentive spirometer's mouthpiece. d. Use a 3 L/min nasal cannula during incen-tive spirometry.

Catecholamines, such as epinephrine, can be potent cardiac stimulators.

Answer the following statement true (T) or false (F)