digeetion oflipids by bile sats and lecithin, elimination Enyzmes secreted by the pancreas break down (chemically digest) ALL four types of macromolecules: Protein-digesting enzymes are called Carbohydrate-digesting enzymes are called en to aove - Lipid-digesting enzymes are called enteetni Jeme ert ho (మ

digeetion oflipids by bile sats and lecithin, elimination Enyzmes secreted by the pancreas break down (chemically digest) ALL four types of macromolecules: Protein-digesting enzymes are called Carbohydrate-digesting enzymes are called en to aove - Lipid-digesting enzymes are called enteetni Jeme ert ho (మ

Anatomy & Physiology

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter23: The Digestive System

Section: Chapter Questions

Problem 5ILQ: Watch this animation (http://openstaxcollege.org/l/sintestine) that depicts the structure of the...

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On the histologic section of the glands stomach's fundus, relatively large electron-microscopically cells with acidophilic cytoplasm can be seen, and in these cells there is a complicated system of intracellular tubules. What component of gastric juice is formed due to the activity of these cells? Serotonin Mucus Gastrin O Hydrochloric acid Opepsinogen
Parietal cells acidify the stomach contents while maintaining a neutral cytosolic pH by: exporting "excess" cytosolic OH as HCO3 exchanging HCO3- for CI O preserving electroneutrality by accompanying the movement of each CI ion into the stomach lumen by a K+ O All of the other are correct
Which of the following is true of parietal cells in our stomach? O These cells cleave pepsinogen into pepsin OThese cells directly secrete pepsin to protect from autodigestion O These cells produce pepsinogen O These cells produce mucus OInese cells contain carbon'c anhydrase
From the stomach to the anal canal, the walls of every organ of the alimentary canal are made up of the same four basic layers Arrange them in order of their location starting with layer closest t lumen. O mucosa, submucosa, muscularis externa, and serosa O muscularis externa, serosa, mucosa, and submucosa O serosa, mucosa, submucosa, and muscularis externa submucosa, serosa, muscularis externa, and mucosa O serosa, muscularis externa, submucosa, mucosa
Which of the following digestive secretion is not an enzyme? amylase mucus pepsin maltase
In cases of extreme emergency when the upper air passageway is blocked by a foreign object to the extent that the victim cannot breathe, quick reaction is required to save the person's life What procedure is designed to force such an object out of the air passage by the sudden application of pressure to the abdomen? O Heimlich maneuver O Leopold's maneuver O Cardiopulmonary resuscitation O Valsalva maneuver 50 51 52 53 54 55 56 57 58 59
Which of the following is necessary in order to have the start of chemical digestion of proteins by pepsin in the stomach? O Secretions from mucus neck cells O Two of the listed options O Secretions from chief cells O All of the listed options O Secretions from parietal cells
A histological specimen of submandibular salivary gland represents basket * cells from which some processes radiate and embrace the secretory unit. Contraction of the processes of these cells helps in expelling secretions from the lumen of secretory units and moving them to the system of excretory ducts. Name these cells: Serous cells O Mucocytes Epithelial cells O Adipocytes O Myoepithelial Cells
Amino acids are absorbed Into the Intestinal cell by: O Dissolving through the lipid cell membrane OCountertransport of Na Cotransport of Na- O Faci itated d'ffusion OPrimary active transport
Which of the following describe the role that HCI acid plays in our digestive system? mechanical digestion absorption chemical digestion O ingestion
The alimentary canal consists of all of the following organs except the: stomach O salivary glands O esophagus mouth intestines