In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

Question: The characteristic Rovsing sign in acute appendicitis consists of: 
 Options:  <0> Pain in the epigastric pressure when applying a firm and persistent pressure on McBurney's point. <1> Acute pain that appears when the appendix is ​​compressed between the abdominal wall and the iliac crest. <2> Passive rebound sensitivity in the abdominal wall. <3> Loss of abdominal sensation when contracting the muscles of the abdominal wall. <4> Pain at McBurney's point when compressing the lower left quadrant of the abdomen.
medicine