A patient is placed on a multidrug regimen including bismuth for peptic ulcer disease. The nurse should instruct the patient as follows:
1. "One week of therapy should heal ulcers and relieve symptoms."
2. "When the symptoms resolve, the ulcer will be healed."
3. "The tongue and stool may turn black on bismuth."
4. "Single-drug therapy is preferable."
Correct Answer: 3
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