A 65-Year-Old Patient with a History of Heart Failure Comes

A 65-year-old patient with a history of heart failure comes to the clinic with complaints of "being awakened from sleep with shortness of breath." Which of the following actions by the nurse is most appropriate?

A) Obtain a detailed history of the patient's allergies and asthma.
B) Tell the patient to sleep on his or her right side to facilitate ease of respiration.
C) Assess for other signs and symptoms of paroxysmal nocturnal dyspnea.
D) Reassure the patient that this is normal and will probably resolve within the next week.