Muscularis externa - Study guides, Class notes & Summaries

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 4: BSC2086/ BSC 2086 (Latest 2024/ 2025 Update) Anatomy and Physiology II Complete Guide | Qs & As| 100% Correct| Grade A (Verified Answers) Q: Plicae circulares Answer: folds of the small intestine wall Q: The Submucosa Answer: •Is a layer of dense irregular connective tissue •Surrounds muscularis mucosae, binds it to the muscularis externa •Has large blood vessels and lymphatic vessels •May contain exocrine glands: secrete buffers and enzymes into digestive tr...

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...

Physical Activity and Health (Kine 1102) - Midterm Exam Review Questions & Answers, All Graded-where does the aortic arch begin? a) clavical b) sternal angle c) 1st intercostal cartilage d) diaphragm - STERNAL ANGLE What is the untrue about chemical and mechanical digestion? a) both break down the food into smaller pieces b) mechanical is the physical process of breaking down the food while chemical is uses enzymes c) mechanical digestion starts in the mouth while chemical starts in th...

A&P 2 Digestion Exam Study Guide Questions with 100% Verified Correct Answers what are the 4 functions of the digestive system? - Correct Answer - ingestion - digestion - absorption - defecation what 2 things occur during digestion? - Correct Answer - breakdown of food into simple molecules - extracellular processes what are the 2 types of extracellular processes? - Correct Answer - mechanical digestion - chemical digestion what is involved in mechanical digestion during extracell...

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 ...

Advanced Pathology NR 507 Final Exam || With 100% Accurate Solutions Advanced Pathology NR 507 Final Exam || With 100% Accurate Solutions The top 1/3 of the esophagus is ______________ muscle. - ANSWER - skeletal muscle the middle of the esophagus muscle is made up of...muscle - ANSWER - skeletal and smooth muscle the bottom 1/3 of the esophagus is made up of....muscle - ANSWER - smooth muscle simple obstruction of the GI tract - ANSWER - result from the blockage of the intestine. ...

UTA A&P II EXAM 3 STUDY QUESTIONS WITH CORRECT ANSWERS Peristalsis - Correct Answer the involuntary constriction and relaxation of the muscles of the intestine or another canal, creating wavelike movements that push the contents of the canal forward. uvula - Correct Answer small projection hanging from the back middle edge of the soft palate mesenteries - Correct Answer connective tissue sheets that loosely suspend the stomach and intestines from the abdominal wall. provide access rou...

BIO 181 REVIEW EXAMINATION QUESTIONS WITH COMPLETE SOLUTIONS What kind of epithelium lines the stomach - Answer-Simple What kind of epithelium lines the buccal - Answer-Stratified Submucosa - Answer-layer of dense irregular connective tissue Has large blood vessels, lymphatic vessels, & contain exocrine glands. Submucosal plexus Why do we have a little bit of the nervous system located in the submucosa? - Answer-Sends a signal about how that organ is feeling. Smooth muscle cells...