The Nurse Must Administer an Enema to an Adult Patient

The nurse must administer an enema to an adult patient with constipation.Which is a safe and effective distance for the nurse to insert the tubing into the patient's rectum? Select all that apply.

A) 2 in.(5.1 cm)
B) 3 in.(7.6 cm)
C) 4 in.(10.2 cm)
D) 5 in.(12.7 cm)
E) 6 in.(15.25 cm)