Children with diabetes insipidus lose tremendous amounts of fluid, so fluid replacement is the priority consideration for this client. Excessive fluid loss can lead to seizures and death. Headache and polydipsia can be relieved with fluid replacement. Children will requirement a nutritional consultation for weight loss, but it is not the main consideration.
A person with a speech-related disorder can know what to say, they just have trouble saying it. It has nothing to do with their knowledge, so they wouldn't be less intelligent just because of their disorder.
