A nurse is teaching a client who has stable angina and a new prescription for nitroglycerin transdermal patches 0.8 mg/hr daily. Which of the following statements by the client indicates an understanding of the teaching?

A. This statement indicates that the client understands the importance of having a drug-free period, which is essential when using nitroglycerin transdermal patches to prevent tolerance to the medication.B. It's important to rotate patch sites to prevent skin irritation and to ensure consistent absorption of the medication. Applying a new patch to the same site repeatedly can lead to skin irritation or decreased absorption of the medication.C. Nitroglycerin patches should not be cut in half. Cutting them could affect the controlled release mechanism designed to deliver a specific dose over time. Altering the patch in this way may result in uneven drug delivery or ineffective treatment.D. Applying an additional patch without medical advice could result in an overdose of nitroglycerin, leading to severe hypotension, headache, or other adverse effects.