The nurse is preparing to administer a nitroglycerin patch to a client diagnosed with coronary artery disease. Which interventions should the nurse implement first? 1. Date and time the nitroglycerin...

The nurse is preparing to administer a nitroglycerin patch to a client diagnosed with coronary artery disease. Which interventions should the nurse implement first?

1. Date and time the nitroglycerin patch.

2. Remove the old patch.

3. Apply the nitroglycerin patch.

4. Check the patch against the MAR.