Which of the following is an example of a sentinel event, as defined by the Joint Commission?

In order to assess the effect of a potential metabolic enzyme inhibitor on the clearance of warfarin, the most appropriate study design would be which of the following?

A 50-kg 15-year-old female patient presents to the emergency department 6 hours after ingesting 100 ferrous sulfate tablets, each containing 325 mg. A pregnancy test is negative, and flat plate radiography of the abdomen demonstrates many tablets in the stomach and throughout the small intestine. The patient is intermittently vomiting, with no tablets recovered in the emesis. The patient is otherwise asymptomatic and stable. Which of the following forms of gastrointestinal decontamination should be recommended?

A 38-year-old man with stage II testicular cancer has received a 5-day course of Cisplatin and etoposide, followed by daily Filgrastim. On day 14, he reports duki aching bone pain. Which of the following is the most likely cause of this complaint?

A 54-year-old male patient (BSA = 1.8 m2) is being treated for head and neck cancer with the following regimen:
* Cisplatin 100 mg/m2 intravenously on day 1
* 5-Fluorouracil 1000 mg/m2 intravenously by continuous infusion on days 1 through 5
* Ondansetron 16 mg intravenously
Which of the following is the appropriate administration instruction for ondansetron?