Final answer:
Patients on dialysis who are below their target weight should be re-weighed and the cause of weight loss assessed.
Step-by-step explanation:
Patients presenting to dialysis below their target weight should: Be re-weighed and evaluated for the cause of the weight loss. This approach is necessary because sudden weight loss could be indicative of a larger issue such as dehydration, malnutrition, or an imbalance in their fluid management. Option 3 is the correct choice because it allows for a deeper investigation into the potential causes of weight loss, which could be due to factors such as inadequate intake of nutritious foods leading to undernutrition, dehydration, or other health conditions. Once the cause is determined, healthcare providers can work to address the underlying issue, which might include changing the target weight, fluid replacement, or providing education on proper hydration and nutrition.