ANAT 380 Module 2 Abdomen, 2A & 2B Actual Exam Study Questions with 100% Correct Answers | Brand New Version

ANAT 380 Module 2 Abdomen, 2A & 2B Actual Exam Study Questions with 100% Correct Answers | Brand New Version 1. what are the three parts of the esophagus - ANSWER cervical, thoracic, abdominal 2. where does the abdominal esophagus begin and end - ANSWER from esophageal hiatus (T10) -- stomach 3. which arteries supply the duodenum - ANSWER superior pancreaticoduodenal (celiac) inferior pancreaticoduodenal (SMA) 4. What structure lies posterior to the trachea - ANSWER esophagus 5. where are the lungs relative to the thoracic esophagus - ANSWER lateral 6. what is the function of the lower esophageal sphincter - ANSWER prevent reflux of stomach contents 7. is the LES (lower esophageal sphincter) under voluntary or involuntary control - ANSWER involuntary 8. what happens is the LES fails - ANSWER reflux of gastric contents into the esophagus 9. what are rugae - ANSWER folds that allow stomach expansion and contraction 10. what controls emptying of stomach contents into duodenum - ANSWER pyloric sphincter 11. is the stomach retroperitoneal or intraperitoneal - ANSWER intraperitoneal 12. what are the three parts of the small intestine in order - ANSWER duodenum, jejunum, ileum 13. which part of the small intestine is most retroperitoneal - ANSWER duodenum (except the first part) 14. which part of the duodenum is intraperitoneal - ANSWER superior (first 1/4) part 15. what passes posterior to the superior duodenum - ANSWER bile duct and gastroduodenal artery 16. what structure opens into the descending duodenum - ANSWER major duodenal papilla where the bile duct and pancreatic ducts enter 17. what drains at the major duodenal papilla - ANSWER hepatopancreatic ampulla 18. what is the hepatopancreatic ampulla - ANSWER short dilated junction formed by the common bile duct and the pancreatic duct 19. what structures does the horizontal duodenum cross - ANSWER IVC and aorta just inferior to SMA and SMV 20. what does the ascending part of the duodenum form - ANSWER duodenojejunal flexure 21. where is the gallbladder located - ANSWER inferior surface of liver 22. which artery supplies jejunum and ileum - ANSWER SMA 23. what are arterial arcades - ANSWER anastomosing loops supplying the intestine 24. what are vasa recta - ANSWER straight, terminal arteries coming from arterial arcades in mesentery that supply jejunum and ileum 25. how do jejunum vs ileum differ in blood supply - ANSWER jejunum -- fewer arcades and long vasa recta ileum -- many arcades and short vasa recta 26. which artery supplies midgut structures - ANSWER SMA 27. which artery supplies hindgut structures - ANSWER IMA 28. what does the ileocolic artery supply - ANSWER cecum and appendix 29. what does the right colic artery supply - ANSWER ascending colon 30. what does the middle colic artery supply - ANSWER transverse colon 31. what does the left colic artery supply - ANSWER descending colon 32. what does the superior rectal artery supply - ANSWER rectum 33. what is the marginal artery of drummond - ANSWER continuous arterial arcade along colon meant for collateral circulation 34. what forms the hepatic portal vein - ANSWER union of splenic vein and SMV 35. where does this union occur - ANSWER posterior to pancreas 36. what is the function of the portal vein - ANSWER carries nutrient-rich blood to liver