The Nurse Evaluates the Effectiveness of Teaching Relative to How

The nurse evaluates the effectiveness of teaching relative to how to use an eye shield after eye surgery is to:

A) have the patient tell the nurse what he is going to do.
B) have the patient demonstrate that he can secure the eye shield.
C) ask the patient if he has any questions related to the use of the shield.
D) call the patient at home in 3 days and ask if he has been wearing the shield.