A nurse is instructing a client about the use of nitroglycerin patches. The nurse should instruct the client to: 1. Remove the patch every night. 2. Use the patch only when chest pain occurs. 3....

A nurse is instructing a client about the use of nitroglycerin patches. The nurse should instruct the client to:

1. Remove the patch every night.

2. Use the patch only when chest pain occurs.

3. Change the site of the patch every day.

4. Apply the patch only on alternate days.