Which Statement by the Nurse Would Be Part of a "Lesson

Which statement by the nurse would be part of a "lesson plan" to teach nursing students about general anesthesia?

A) "An inhaled agent is used to induce sleep, followed by an intravenous agent to promote relaxation."
B) "An inhaled agent needs to be followed by an intravenous agent if the inhaled agent is not adequate."
C) "An intravenous agent will be used first to induce sleep; then an inhaled agent will be used."
D) "An intravenous agent to induce sleep is usually all that is required."