A child's burn is debrided each day with hydrotherapy to remove the eschar. The child's parents ask why this immersion is necessary. What is the most appropriate response for the nurse to make?

A By removing the scab or crusting daily in the special bath, we help prevent infection and then the healthy tissue may be covered by skin grafts.' C This is a cleansing bath given so that fresh dressings may be applied to the burn areas.' D We decrease her chance of infection by immersion in antibiotic solutions with each debriding bath.' B By submersion in a whirlpool bath, we can better exercise her limbs to prevent contractures.'