A Woman Has Been Diagnosed with Hypertonic Labor

A woman has been diagnosed with hypertonic labor.She has an order for hydromorphone (Dilaudid) .The student is preparing the medication and asks the labor nurse the rationale for using it.What response by the nurse is best?

A) "It is to induce prescribed rest and relax the uterus."
B) "It's for the pain associated with those strong contractions."
C) "The patient must be allergic to other pain meds."
D) "This is the best medication for labor and birth."