WHy must there be pancreatic juice in the duodenum even if no food is currently being digested?  A- Even if there isnt chyme in the duodenum, stomahc acid might leak into the duodenum. the trypsin in pancreatic juice neutralizes that  B- We eat a lot, so we're always digesting food in the duodenum  C - the process of fat breakdown is slow, so lipids could stay in the duodenum for over a day, so we need a steady supply of pancreatic lipase. D- Even if there isn't chyme in the duodenum, stomach acid might leak into the duodenum. The bicarbonate in pancreatic juice neutralizes that

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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When the duodenu is actively digesting food, the Sphincter of Oddi released both bile and pancreatic juice into the duodenum 

Between meals, when the Sphincter of Oddi is closed, an accessory pancreatic duct remains open, allowing a slow but continual flow of pancreatic juice into the duodenum between meals 

WHy must there be pancreatic juice in the duodenum even if no food is currently being digested? 

A- Even if there isnt chyme in the duodenum, stomahc acid might leak into the duodenum. the trypsin in pancreatic juice neutralizes that 

B- We eat a lot, so we're always digesting food in the duodenum 

C - the process of fat breakdown is slow, so lipids could stay in the duodenum for over a day, so we need a steady supply of pancreatic lipase.

D- Even if there isn't chyme in the duodenum, stomach acid might leak into the duodenum. The bicarbonate in pancreatic juice neutralizes that

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