The Nurse Is Presenting Teaching to a Client with Stable

The nurse is presenting teaching to a client with stable angina. Which information is vital for the nurse to teach and validate?

A) Get medical help if three doses of nitroglycerine does not stop the pain
B) Notify the health-care provider if the pain suddenly radiates to the arms
C) Consider angina pain that is more severe than usual to be a medical emergency
D) If pain occurs during activity, sit down and rest to see if the pain stops or continues