The practice of ________________ involves a combination of breath control, posture, relaxation, and meditation to improve lung function, decrease pain, and reduce anxiety.

Mrs. Lane is scheduled for a barium enema in 3 days. For which of the following diseases is this test primarily performed?

a. Hiatal hernia b. Esophageal varices c. Polyps, tumors, and lesions d. Kidney blockage

A disadvantage of an ethylene oxide sterilization system is ___________

a. There are no disadvantages. b. works in 1 hour c. it requires ventilation d. it fails to sterilize properly