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Determine which of the statements below by the nurse represent the four principles of systems thinking. Select all that apply.
a) The nurse realizes that patients who are intubated are more likely to have a pressure ulcer.
b) The nurse recognizes their patient has a pressure ulcer.
c) The nurse creates a new policy related to patient movement to prevent pressure ulcers.
d) The nurse talks to a patient who has experienced a pressure ulcer.