2. when administering a bulk-forming laxative, the nurse instructs the patient to drink the medication mixed in a full 8-ounce glass of water. which statement best explains the rationale for this instruction? a. the water acts to stimulate bowel movements. b. the water will to reduce the bulk of the intestinal contents. c. these laxatives may cause esophageal obstruction if taken with insufficient water. d. the water acts as a lubricant to produce bowel movements.