HomeCoursesMEDSCI 201: Human Structure and FunctionLecture 22 Lecture 22 0% Question 1 of 32 What are the tunics of the gut? (3)= Mucosa, submucosa, muscularis externa, serosa What are the tunics of the gut? (3)= Mucosa, submucosa, muscularis externa, serosa Question 1 of 32Question 2 of 32 What are the components of the mucosa? (3)= Epithelium, lamina propria, muscularis mucosae What are the components of the mucosa? (3)= Epithelium, lamina propria, muscularis mucosae Question 2 of 32Question 3 of 32 What is the function of epithlium of the mucosa? (3)= Secretion, absorption, protection What is the function of epithlium of the mucosa? (3)= Secretion, absorption, protection Question 3 of 32Question 4 of 32 What is the function of the lamina propria? (2)= Structural and vascular support, nerve supply What is the function of the lamina propria? (2)= Structural and vascular support, nerve supply Question 4 of 32Question 5 of 32 What is the muscularis mucosae consist of?= Smooth muscle What is the muscularis mucosae consist of?= Smooth muscle Question 5 of 32Question 6 of 32 Where do more than 2 layers of muscularis externa occur?= Stomach Where do more than 2 layers of muscularis externa occur?= Stomach Question 6 of 32Question 7 of 32 Where does skeletal muscle occur in the muscularis externa? (2)= Rectum, oesophagus Where does skeletal muscle occur in the muscularis externa? (2)= Rectum, oesophagus Question 7 of 32Question 8 of 32 What is the adventitia?= Outermost connective tissue of any organ What is the adventitia?= Outermost connective tissue of any organ Question 8 of 32Question 9 of 32 What is the serosa?= Visceral mysentry (peritoneum) of the body's cavaties What is the serosa?= Visceral mysentry (peritoneum) of the body's cavaties Question 9 of 32Question 10 of 32 What are the components of the serosa?= Mesothelial cells, connective tissue What are the components of the serosa?= Mesothelial cells, connective tissue Question 10 of 32Question 11 of 32 What does the mesothelium secrete?= Serous fluid What does the mesothelium secrete?= Serous fluid Question 11 of 32Question 12 of 32 What nerve plexus innervates the muscularis externa?= Myenteric nerve plexus What nerve plexus innervates the muscularis externa?= Myenteric nerve plexus Question 12 of 32Question 13 of 32 What nerve plexus innervates the submucosal layer?= Submucosal/Meissner's nerve plexus What nerve plexus innervates the submucosal layer?= Submucosal/Meissner's nerve plexus Question 13 of 32Question 14 of 32 What divisions of the nervous system control the Meissner's and myenteric nerve plexuses= ANS, myenteric nervous system What divisions of the nervous system control the Meissner's and myenteric nerve plexuses= ANS, myenteric nervous system Question 14 of 32Question 15 of 32 What type of gland are the salivary gland's (morph)?= Compound tubuolalveolar What type of gland are the salivary gland's (morph)?= Compound tubuolalveolar Question 15 of 32Question 16 of 32 What are the major salivary glands in the head and mouth?= Sublingual, submandibular, parotid What are the major salivary glands in the head and mouth?= Sublingual, submandibular, parotid Question 16 of 32Question 17 of 32 What type of cells are in the parotid salivary glands?= Serous only What type of cells are in the parotid salivary glands?= Serous only Question 17 of 32Question 18 of 32 What type of cells are in the sublingual glands?= Mostly mucous, some serous What type of cells are in the sublingual glands?= Mostly mucous, some serous Question 18 of 32Question 19 of 32 What type of cells are in the submandibular glands?= Mucous, serous What type of cells are in the submandibular glands?= Mucous, serous Question 19 of 32Question 20 of 32 What is the secretory portion of a serous gland?= Serous acinus What is the secretory portion of a serous gland?= Serous acinus Question 20 of 32Question 21 of 32 What are the granules in acinus cells called?= Zymogen What are the granules in acinus cells called?= Zymogen Question 21 of 32Question 22 of 32 What do the zymogen granules contain? (3)= Amylase, lipase, kallikrein What do the zymogen granules contain? (3)= Amylase, lipase, kallikrein Question 22 of 32Question 23 of 32 What cells surround the serous acinus?= Contractile epithelium What cells surround the serous acinus?= Contractile epithelium Question 23 of 32Question 24 of 32 What differentiates a serous acinus from a mucous one?= Peripheral nuclei, viscous secretion What differentiates a serous acinus from a mucous one?= Peripheral nuclei, viscous secretion Question 24 of 32Question 25 of 32 What duct collect gland ducts from submandibular salivary glands?= Submandibular duct What duct collect gland ducts from submandibular salivary glands?= Submandibular duct Question 25 of 32Question 26 of 32 What is the function of cells of the striated duct?= Produce HCO3- What is the function of cells of the striated duct?= Produce HCO3- Question 26 of 32Question 27 of 32 How do you distinguish cells of the striated duct?= Many mitochondria How do you distinguish cells of the striated duct?= Many mitochondria Question 27 of 32Question 28 of 32 What are the functions of saliva? (3)= Lubrication, protection, digestion What are the functions of saliva? (3)= Lubrication, protection, digestion Question 28 of 32Question 29 of 32 What properties of saliva facilitate lubrication?= Mucins What properties of saliva facilitate lubrication?= Mucins Question 29 of 32Question 30 of 32 What properties of saliva facilitate protection? (5)= Mucins prevent bacteria adhesion, HCO3- neutralises bacterial secretions, lysosomes, lactoferrin, IgA What properties of saliva facilitate protection? (5)= Mucins prevent bacteria adhesion, HCO3- neutralises bacterial secretions, lysosomes, lactoferrin, IgA Question 30 of 32Question 31 of 32 What salivary factors facilitate digestion? (2)= Lipase, amylase What salivary factors facilitate digestion? (2)= Lipase, amylase Question 31 of 32Question 32 of 32 What does kallikrein do for salivary glands?= Increases blood flow What does kallikrein do for salivary glands?= Increases blood flow Question 32 of 32 Loading...
