The client is hospitalized at 30 weeksÔÇÖ gestation in preterm labor. A test is performed to determine the lecithin to sphingomyelin (L/S) ratio, with results indicating a ratio less than 2:1. The nurse planning care for the client should expect to implement which interventions? Select all that apply.

Bed rest will maximize placental oxygenation while fetal lung maturity continues. The client should be prepared for a nonstress test. This is used to monitor for uterine contractions and labor. Labor needs to be stopped until the fetal lungs are more fully developed. Betamethasone (Celestone Soluspan) is a corticosteroid and is given to stimulate fetal lung maturity. Hydralazine (Apresoline) is an antihypertensive agent and is administered to clients experiencing preeclampsia, not preterm labor. Metronidazole (Flagyl) is an antiprotozoal and antibacterial agent used to treat a vaginal infection; there is no indication that the client has a vaginal infection.