While Recovering from Surgery, an Elderly Woman Started Taking a Stimulant

While recovering from surgery, an elderly woman started taking a stimulant laxative, senna (Senokot) , to relieve constipation caused by the pain medications. Two weeks later, at her follow-up appointment, she tells the nurse that she likes how "regular" her bowel movements are now that she is taking the laxative. Which teaching principle is appropriate for this patient?

A) She needs to be sure to take this medication with plenty of fluids.
B) It is important to have a daily bowel movement to promote bowel health.
C) Long-term use of laxatives often results in decreased bowel tone and may lead to dependency.
D) She needs to switch to glycerin suppositories to continue having daily bowel movements.