Took my NCLEX last week (second attempt) and passed with 145 questions! Ms Joyce review materials was very very helpful to me. For anyone that failed the Nclex, don't loose hope, I know many awesome nurses who passed the test on their 3rd and even 4th try.
hypo or hypernatremia both can cause seizure, Sodium is major electrolytes of the brain so any alterations like increased or decreased sodium in the brain can result to seizure.