Coagulation Study! Tonsillectomy may result in hemorrhage because of the vascularity of the oropharynx; clotting function must be adequate. The potassium level, RBC count, and ESR are not significant in this type of surgery if the child is otherwise healthy.
Test-Taking Tip: Eat breakfast or lunch before an exam. Avoid greasy, heavy foods and overeating. This will help keep you calm and give you energy.