ABSITE Pancreas Exam Questions and Answers 100% Pass Guaranteed

ABSITE Pancreas Exam Questions and Answers 100% Pass Guaranteed The pancreas is level with what vertebra? - L1 Pancreas arterial supply and their origin - The superior pancreaticoduodenal artery arises from the gastroduodenal artery and divides into anterior and posterior branches as it runs inferiorly within the pancreaticoduodenal groove. The inferior pancreaticoduodenal artery arises from SMA. The neck, body, and tail receive arterial supply from the splenic arterial system. Rotation during pancreatic fusion - Ventral posteriorly Treatment for obstructive annular pancreas - surgical bypass through duodenojejunostomy is performed instead of dividing the pancreatic tissue, as this annular pancreas has a pancreatic duct and its division will likely lead to pancreatic fistula formation. How are pancreatic enzymes activated? - acinar cells synthesize these proteases as inactive proenzymes that are stored as intracellular zymogen granules. With stimulation of the pancreas, these proenzymes are secreted into the pancreatic duct and 2Brittie Donald, All Rights Reserved © 2025 eventually the duodenal lumen. The duodenal mucosa expresses enterokinase on its brush boarder, which activates the zymogens. main mediator of the secretion of water and bicarbonate from pancreas - Secretin from S cells What stimulates secretin secretion? - Decrease in duodenal pH main mediator of the secretion of pancreatic enzymes - CCK by I cells Most common cause of acute pancreatitis - Gall stones Treatment for pancreatic divisum - Endoscopic retrograde cholangiopancreatography (ERCP) with minor papillotomy and stenting Describe acute pancreatitis pain - Constant epigastric pain that radiates to the back Grey Turner and Cullen signs - flank and periumbilical ecchymosis respectively, both are indicative of retroperitoneal bleeding associated with severe pancreatitis. Diagnosis of acute pancreatitis - two of the following three: 1) abdominal pain consistent with AP 2) a threefold or higher elevation of serum amylase or lipase 3) characteristics findings of pancreatitis by imaging. 3Brittie Donald, All Rights Reserved © 2025 95% PPV for acute biliary pancreatitis in the setting of high amylase / lipase - elevation of alanine aminotransferase levels presence of gallstones on US define severe pancreatitis - presence of local pancreatic complications (necrosis, abscess, or pseudocyst) or any evidence of organ failure >