Which concern would prompt the nurse to contact the health care provider when a client with gastric ulcers receives a prescription for ranitidine 150 mg twice a day?
A. Ranitidine can increase the risk for gastrointestinal bleeding.
B. An administration route is not specified.
C. Ranitidine is contraindicated for gastric ulcers.
D. Ranitidine should be given with an adjuvant.