Myenteric - Study guides, Class notes & Summaries

Secretin -decreases the stomach's churning activity -stimulates the gastric secretion of HCl -is released by the salivary glands -stimulates bile ducts and pancreatic ducts to secrete bicarbonate -ANSWER stimulates bile ducts and pancreatic ducts to secrete bicarbonate Where is the myenteric plexus? -mucosa -submucosa -muscularis -serosa -ANSWER muscularis Which digestive process involves movement elimination of waste products? -ingestion -secretion -defecation -digestion ...

1. Select the correct statement. a) The parotid gland contributes about 20% of the total saliva volume. b) The sublingual gland's secretion is mostly serous. c) Saliva contains a protease. d) There are hundreds of tiny salivary glands in the oral mucosa. - not b 2. Which of the following is a purpose of cholecystokinin? a) Stimulation of gall bladder contractions. b) Stimulation of pancreatic enzyme release. c) Stimulation of stomach to empty. d) All of the former are correct. e) Bo...

Which of the following is true regarding the difference between the mucosa of the small and large intestines? ~ The small intestine has deeper intestinal crypts than the large intestine. Pepsinogen is produced by __________ and is activated by __________, which is secreted by __________. ~ chief cells; hydrochloric acid (HCl); parietal cells Acid reflux into the esophagus ("heartburn") is normally prevented by __________. ~ the lower esophageal sphincter (LES) Which of the following ...

What are the three general functions of the stomach? Storage, Digestion, Protection How much food can the adult stomach roughly hold? Roughly one liter. What is gastric accommodation closely associated wityh? vagovagal reflex? How much chyme is emptied from the stomach at a time? 3ml How often are stomach contraction intervals? 12-20 seconds How long does it take to empty stomach contents? 2 to 4 hours What are the two types of digestions? Mechani...

Age related changes in gastrointestinal anatomy and physiology: oropharyngeal (4) correct answers Xerostomia Poor dentition Altered taste perception Decreased olfactory discrimination Age related changes in gastrointestinal anatomy and physiology: esophagus (6) correct answers Reduced resting upper esophageal sphincter pressure Reduced lower esophageal sphincter relaxation Delayed esophageal emptying Decreased contraction velocity and duration Reduced myenteric ganglion cells Thicken...

PNB 2275 Exam 3 Questions and Answers 100% Pass The motor activity of the muscularis externa is controlled by the myenteric plexus Which of the following are true regarding the secretion of HCl? (choose all that apply) a.) The H, K ATPase, also known as proten pump is present on the apical membrane of the parietnal cells. b.) As a by-product of the HCl secretion, HCO3- is transported out of the cell from the basolateral side of the cell. This can cause a alkaline tide (pH increase in plasma) ...

The production of stomach acid is Stimulated by Gastrin HCL Secretion stops when pH is ~2 Stomach acid Converts pepsinogen to pepsin A sphincter is composed of muscular and circular valve in the GI tract that controls the flow of food stuff Cardiac sphincter is between the eseophagus and the stomach Sphincter of Oddi is between the pancreatic duct and duodenum Duodenum is the primary site of digestion the source of bicarbonate ions in the intestinal tract is from the pancreas The large i...

GASTROINTESTINAL PHYSIOLOGY EXAM QUESTIONS AND ANSWERS DIGESTIVE SYSTEM - Correct Answer ️️ -- Functions for the breakdown of food into small molecules so it will be absorbed in the blood - Digestion occurs as food is broken down both chemically and mechanically GASTROINTESTINAL TRACT - Correct Answer ️️ -- Include the mouth, most of the pharynx, esophagus, stomach, small intestine, large intestine up to anus ACCESSORY DIGESTIVE ORGANS - Correct Answer ️️ -- Include the teeth,...

BIO 202 Arizona State University -bio 202 exam 4 study guide questions with answers which of the following enzymes acts in the stomach? - correct answer lingual lipase which of the following enzymes does not digest any nutrients? - correct answer enter peptidase which of the following is NOT an enzyme? - correct answer secretin the substance in question 3 that is not an enzyme is - correct answer a hormone the lacteals absorb - correct answer chylomicrons all the following contri...

MSF EXAM PRACTICE QUESTIONS WITH VERIFIED CORRECT ANSWER 1. Select the correct statement. a) The parotid gland contributes about 20% of the total saliva volume. b) The sublingual gland's secretion is mostly serous. c) Saliva contains a protease. d) There are hundreds of tiny salivary glands in the oral mucosa. - ANSWER not b 2. Which of the following is a purpose of cholecystokinin? a) Stimulation of gall bladder contractions. b) Stimulation of pancreatic enzyme release. c) Stimu...