A nurse in a surgical clinic is providing teaching to a client who is scheduled for a modified radical mastectomy. Which of the following statements by the client indicates an understanding of the teaching?

A. "I will complete my arm exercises four times a day.": Performing arm and shoulder exercises after a modified radical mastectomy helps maintain range of motion, prevent stiffness, and reduce the risk of lymphedema. Regular exercises multiple times a day reflect proper understanding of postoperative rehabilitation. B. “I will have my drains removed 1 hour prior to going home.": Drain removal is based on the volume of drainage and physician assessment, not a set time before discharge. Premature removal can increase the risk of fluid accumulation and infection. C. “I can begin to drive 24 hours after surgery.": Driving is usually not recommended until the client has regained adequate strength, range of motion, and is off strong pain medications, typically several days postoperatively. Doing so within 24 hours can be unsafe. D. "I can shower within 48 hours of my surgery.": Showering is usually delayed until drains are in place and the incision is sufficiently healed, often following specific surgeon instructions. Showering too early can disrupt wound healing and increase infection risk.