PJCs are a result of

A client has undergone a left hemicolectomy for bowel cancer. Which activities prevent the occurrence of postoperative pneumonia in this client?

a) Administering oxygen, coughing, breathing deeply, and maintaining bed rest b) Coughing, breathing deeply, maintaining bed rest, and using an incentive spirometer c) Coughing, breathing deeply, frequent repositioning, and using an incentive spirometer d) Administering pain medications, frequent repositioning, and limiting fluid intake

Which of the following explains how acetylcysteine (Mucomyst) lowers the viscosity of mucus?

a. Breaking down DNA b. Increasing the osmolarity of the mucus and pulling water into it c. Changing the pH of the mucus, causing it to break down d. Substituting its sulfhydryl group for disul-fide bonds and breaking a portion of the bond forming the gel structure