You are giving medications on the day shift at 9:00 am. You note that one of the medications you are to administer has been initialed as given. In addition, that same medication that was to be administered the previous evening is not initialed as given. You should:

You are giving medications on the day shift at 9:00 am. You note that one of the medications you are to administer has been initialed as given. In addition, that same medication that was to be administered the previous evening is not initialed as given. You should:

A 74-year-old man with a history of transient ischemic attacks takes a baby aspirin (81 mg) per day at the suggestion of his cardiologist to prevent heart disease. One day, he accidentally takes six baby aspirins. Which of the following sequelae is most likely to occur?

A 67-year-old woman with known peptic ulcer disease found at endoscopy to be on maintenance treatment with misoprostol at 125% of the recommended dose. The rationale behind this dose is to maximize which of the following?

A 52-year-old woman with a long history or recurrent urinary tract infections now has another one. Review of culture results reveal that the organism is resistant to sulfa drugs. What is the most likely mechanism of resistance to this medication?

A 35-year-old man with nonseminomatous germ cell tumor of the testis and bulky lymphadenopathy undergoes orchiectomy followed by multiagent chemotherapy with high-dose methotrexate. His serum creatinine rises from 1.10 mg/dL at baseline to 3.50 mg/dL after 4 weeks of therapy. What is the most likely explanation for this finding?