A nurse is administering morphine sulfate to a postoperative patient. Which are appropriate nursing actions when giving this drug? (Select all that apply)

Encouraging physical activity and offering increased fluids

Monitoring the patient's blood pressure closely for hypertension

Requesting an order for methylnaltrexone (Relistor) to prevent constipation

Palpating the patient's lower abdomen every 4 to 6 hours

Counting respirations before and after giving the medication