While Reviewing a Patient's Medications,the Nurse Notes That a Patient

While reviewing a patient's medications,the nurse notes that a patient has been prescribed liquid nitrofurantoin (Furadantin) .Which intervention should the nurse add to the nursing care plan?

A) Administer nitrofurantoin on an empty stomach.
B) Provide a straw and instruct the patient to rinse the mouth after taking nitrofurantoin.
C) Administer nitrofurantoin early in the morning to avoid insomnia.
D) Assess the urine for hematuria.