Muscularis externa Guides d'étude, Notes de cours & Résumés

Occurs when small molecules pass through epithelial cells into the blood for distribution to the body cells - correct answer absorption The _______ abuts the lumen of the alimentary canal and consists of epithelium, Lamina propria, and muscularis mucosae - correct answer mucosa Peristalsis - correct answer Involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system. The _ traverses down the left side of the abdominal cavity and becom...

1) Which of the following is an accessory organ of digestion? A) pancreas B) stomach C) colon D) spleen E) esophagus 2) Which of the following is the sequence of layers from the lumen to the outer wall of the digestive tract? A) mucosa, submucosa, muscularis externa, serosa B) serosa, submucosa, mucosa, muscularis externa C) mucosa, submucosa, serosa, muscularis externa D) submucosa, mucosa, serosa, muscularis externa E) submucosa, muscularis externa, serosa, mucosa 3) The motor activity...

Exam 1: BIOS 256 / BIOS256 (2024/ 2025 Update) Anatomy and Physiology IV | Complete Guide with Questions and Verified Answers| 100% Correct| Grade A -Chamberlain Q: Accessory organs: Teeth, tongue, salivary glands, liver, gallbladder, and pan- creas Q: Enteric nervous system Answer: nervous network in esophagus, stomach, and in- testines that regulates digestive tract motility, secretion, and blood flow Q: The enteric nervous system has how many neurons? Answer: over 100...

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 nervous system does the digestive system use - ANSWER Enteric Nervous System what covers the digestive tract - ANSWER internal lumen Ingestion - ANSWER Taking food in Propulsion - ANSWER Moving through GI tract Digestion - ANSWER mechanical and chemical break down of food Absorption - ANSWER Passing end products from lumen to blood and lymph Tissue of lumen - ANSWER 1. Mucosa 2. Submucosa 3. Muscularis externa 4. Serosa Smooth Muscle layers of the stomach - ANSWER 1....

A gallstone that blocked the common bile duct would cause the fat content of feces to: a. Increase b. Decrease c. Stay the same - a. Increase Norepinephrine will cause secretion of stomach acid to: a. Increase b. Decrease c. Stay the same - b. Decrease A rise in plasma levels of gastrin will cause the activity of the stomach's muscularis externa to: a. Increase b. Decrease c. Stay the same - a. Increase

Portage Learning NURS 231 Pathophysiology 2022 Module EXAM 7 Question 1 0 / 0 pts What role(s) does the liver serve? Your Answer: The liver has several important functions in the body. It produces bile; metabolizes hormones and drugs; synthesizes proteins, glucose, and clotting factor; stores vitamins and minerals and converts them to useable material the body can utilize; changes ammonia to urea; and converts fatty acids to ketones. The liver can also store large amounts of glucose as gl...

GI Tract Sonosim Questions and Answers Already Passed A major impediment to performing a thorough sonographic evaluation of the intestines is the presence of excessive bowel gas. True Contraction of which of the below structures causes the walls of the large intestine to form sacculations, or haustra? None of the above The duodenum is the segment of the small intestine responsible for a majority of nutrient absorption. False The inferior mesenteric artery primarily supplies the _...

The tube that runs through the entire body from mouth to anus is called the.... - alimentary canal What are the four functions of the digestive system? - Ingestion Digestion Absorption Elimination This layer of the alimentary canal is the most superficial lined with epithelium, a lamina propria and muscular layer. - mucosa This layer consists of exocrine glands, blood vessels and nerve endings - submucosa This layer consists of a circular and longitudinal layer of smooth muscle. -...