Which of the following indicates the need for monitoring when a student is on Lithium?

When a student is prescribed Lithium, regular blood level monitoring is essential to ensure the medication remains within a therapeutic range and to prevent potential toxicity. Lithium has a narrow therapeutic index, meaning that the difference between an effective dose and a toxic dose is small. Monitoring blood levels helps healthcare providers assess how well the medication is working and determine if any adjustments are needed to the dosage.

In addition to blood monitoring, other health aspects, such as sleep patterns, diet, and activity levels, are important to consider, but they do not specifically indicate the need for monitoring the way blood levels do. While maintaining a balanced diet and regular sleep can support overall health, they do not directly relate to the pharmacokinetics or safety of Lithium treatment. Active participation in sports is beneficial for overall well-being but does not require monitoring in relation to Lithium usage. Therefore, regular blood level monitoring is the most critical component when managing a student on Lithium.