Please choose the correct ending to complete the given sentence: Work World: [header] How to be a good nurse [title] Think critically. [step] Nursing is a lot like a game of chess. It's complex and you have to think several moves ahead.

Ending1: Very, very confusing and you will lose a lot of points without thinking. [title] Brainstorm scenarios and write them down. Ending2: For instance, engineering is very complex, with training that runs 80% of the way across the board. Still, you need to think very hard about stopping the same problem. Ending3: You need to be able to assess a patient critically to determine his medical needs, while taking multiple factors and potential outcomes into account. [substeps] Critical thinking is a process by which you review the situation, analyze what's going on, and question what you don't know. Ending4: Write up a list of exactly what you need to do and how much time and effort is required to get it done. Be sure to list off what other people are doing for example.

Answer format: ending1/ending2/ending3/ending4