A client has a hemovac tube in place after a surgical repair of a hip fracture. The client asks the nurse the purpose of the drain. What is the nurse's best response?

"The drainage tube is used to prevent infection at the site of the surgical repair."

"The drainage tube is used to prevent bleeding at the site of the surgical repair."

"The drainage tube is used to prevent pressure on the bladder."

"The drainage tube is used in case the wound needs irrigated."