Symbolic interactionism is a theory that analyzes the way people form relationships inside society, an how to do so they need to understand their social environment through communication to build symbolic worlds. Defining something as a real creates a symbolic world that has consecuences and the potential of shaping people´s behavior.
Based on the information provided it can be said that the statement that would indicate a need for further teaching would be "tPA should be administered within 12 hours of the onset of a stroke
". This is because tPA needs to be administered between 3 and 4.5 hours from the onset of a stroke and through an IV injection, not 12 hours.
