What indicates that the teaching regarding nitroglycerin was effective for a client?

The indication that teaching regarding nitroglycerin was effective for a client is the understanding that if they experience chest pain, they should stop their activity and take a nitroglycerin tablet. This reflects correct knowledge about the use of nitroglycerin, which is typically prescribed for angina (chest pain).

When a client experiences chest pain, the immediate action is to cease any physical activity, as resting helps to reduce the heart's demand for oxygen. Taking a nitroglycerin tablet can help alleviate the pain by dilating blood vessels and improving blood flow to the heart. This understanding is crucial because it ensures that the client recognizes the urgency of addressing chest pain appropriately and knows when to utilize their medication.

Other options do not demonstrate an accurate understanding of how to use nitroglycerin in response to chest pain. For instance, taking nitroglycerin after 20 minutes of pain without immediate action does not reflect the appropriate urgency for treatment. Suggesting to rest for 40 minutes before taking nitroglycerin also misunderstand the protocol, as timely intervention is essential in managing angina symptoms. Lastly, scheduling an appointment with 911 does not relate to the urgent need for addressing a potential cardiac event related to chest pain and would not