The client with angina should be taught to take nitroglycerine sublingually with the onset of the first signs of chest pain. Which instructions should be included with your teaching plan? A. Take one tablet every 10 minutes until the pain subsides. B. If a burning sensation of the tongue occurs, stop the medication immediately. C. Keep the medication in the brown bottle to preserve the strength of the medication. D. Refill the supply of nitroglycerine every three months.

Given are four options to choose the correct instruction that should be included in the teaching plan. Let's analyze them one by one. A. Take one tablet every 10 minutes until the pain subsides. B. If a burning sensation of the tongue occurs, stop the medication immediately. C. Keep the medication in the brown bottle to preserve the strength of the medication. D. Refill the supply of nitroglycerine every three months.

Now that we've listed the options, let's evaluate each of them to determine the correct instruction. A. Take one tablet every 10 minutes until the pain subsides. - Nitroglycerine should be taken as prescribed by the doctor, but it is generally recommended to take one tablet under the tongue at the onset of chest pain. If the pain does not subside after 5 minutes, a second tablet can be taken. A third tablet can be taken after another 5 minutes if needed. If chest pain continues, it is essential to seek immediate medical attention. B. If a burning sensation of the tongue occurs, stop the medication immediately. - A slight burning sensation under the tongue is considered a normal and expected reaction after taking nitroglycerine. It does not indicate that the medication should be stopped. C. Keep the medication in the brown bottle to preserve the strength of the medication. - Nitroglycerine tablets should be stored in their original brown or amber-colored bottle to protect them from light, heat, and moisture, which can cause them to lose their potency. D. Refill the supply of nitroglycerine every three months. - The effectiveness of nitroglycerine gradually decreases over time, so it is essential to ensure that the medication is still potent.

After evaluating each option, it is now apparent that the correct instruction to be included in the teaching plan is: C. Keep the medication in the brown bottle to preserve the strength of the medication.