This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vermiform Appendix, Subject name: Surgery
From the surgery done below name the scoring used to diagnose this: 
Select and explain. 
A. Alvarado, B. Ranson, C. Apache-11, D. Bisap
A: Alvarado
Answer: A: Alvarado 
Explanation: Ans. a. AlvaradoAlvarado criteria use for acute appendicitis. Table 2: The Alvarado score ScoreSymptomsMigratory RIF pain1 Anorexia1 Nausea and vomiting1SignsTenderness (RIF)2 Rebound tenderness1 Elevated temperature1LaboratoryLeukocytosis2 Shift to left1Total 10Extra MileMantrelsNote: If Alvarado score >7; then it strongly suggestive for acute appendicitis.Ranson, APACHE-II and BISAP: Acute pancreatitis