Which is correct about the villus of small intestine() A: It can swing B: It is composed of simple columnar epithelium C: It is formed by mucosa and submucosa protruding into enteric cavity D: It is related with transportation of water and electrolyte E: It is formed by simple columnar epithelium and lamina propria<br/>protruding into enteric cavity

Airport security refers to the techiniques and methods used in _____ the airports and aircraft from crime. A: producing B: protecting C: protruding D: providing

Which of the following is the features of inflammatory polyp except<br/>____ A: Protruding from the mucosal surface B: Only parenchymal cell hyperplasia C: Belonging to chronic inflammation D: Often associated with mucous membrane E: Common in nasal mucosa and cervix

Which of the following is NOT in conformity with the features of<br/>inflammatory polyp____ A: Protruding from the mucosal surface B: Only parenchymal cell hyperplasia C: Belonging to chronic inflammation D: Often associated with mucous membrane E: Common in nasal mucosa and cervix

deep inguinal ring ()<br/>A. also known as outer ring A: in<br/>front of it, there is transverse abdominal muscles B: about<br/>3 ~ 4cm infrolateral to pubic tubercle C: its<br/>outer wall is formed by obliquus internus abdominis D: formed by protruding transverse fascia