The Nurse Working with a Pediatrician in the Doctor's Office

The nurse working with a pediatrician in the doctor's office setting knows it is a top priority to properly clean all surfaces and toys touched by the children who come to the office, or make certain they have been properly cleaned, because of which of the following reasons?

A) Organisms tend to enter the body through the mouth.
B) Many organisms remain viable from hours up to several weeks on surfaces.
C) The nurse has a responsibility to stop the spread of HIV in the office setting.
D) Failure to ensure thorough cleansing can result in malpractice for the nurse.