[Solved]: A nurse is teaching a client how to use a diaphragm

A nurse is teaching a client how to use a diaphragm. Which of the following statements should the nurse include in the teaching? “The diaphragm should be left in place for 4 hours after intercourse.” “Apply baby powder to the diaphragm during storage.” “Insert the diaphragm after you empty your bladder.” “An oil-based lubricant should be used when inserting the diaphragm.”