A woman is admitted to the high-risk OB unit with the diagnosis of preterm labor. Orders include ...

A woman is admitted to the high-risk OB unit with the diagnosis of preterm labor. Orders include bedrest with continuous fetal monitoring, administration of magnesium sulfate (Sulfamag) and betamethasone (Celestone), and laboratory work.
 
  In reviewing the patient's record, the nurse notes a history of hypertension that is well controlled with nifedipine (Procardia) and diet-controlled diabetes mellitus type 2. Which action by the nurse is best?
  A.
  Assist the woman to choose appropriate food items from the menu.
  B.
  Call the physician to question the orders and document the conversation.
  C.
  Order a pressure-relieving mattress overlay and perform a skin assessment.
  D.
  Prepare to give the magnesium sulfate and betamethasone as ordered.