Chapter 26 Flashcards
JR T/F The GI tract is NOT sterile
True
JR The purpose of _________ is to wet food and facilitate swallowing and to help prevent oral infections.
Saliva
JR Which teeth crush and grind food?
Molars
JR The submandibular salivary glands are located ________ _________ _______
under lower jaw
JR What are the functions of the digestive system?
processing, absorption, reabsorption, elimination, and manufacture
JR Smoking decreases ________ and _______
taste and smell
JR What allows the stomach to distend when food is eaten?
Rugae
JR The __________ _________ is located between the stomach and small intestine
pyloric sphincter
JR The _________ __________ is located between the esophagus and stomach
cardiac sphincter
JR How long does the stomach mix food?
3-5 hours
JR T/F Most nutrient absorption occurs in the colon
False
JR Which hormone activates the gallbladder?
Cholecystokinin
JR The following are major functions of which organ?
secretion of bile, stores fat soluble vitamins, formation of vitamin A, absorption of bilirubin, detox blood and synthesis of clotting factors
Liver
JR What is the breakdown of larger molecules into smaller ones releasing energy.
Catabolism
JR What is the synthesis of simpler substances into new organized substances
Anabolism
JR What is the body’s largest glandular organ?
Liver
JR T/F The appendix plays a role in our body’s immunity
False
JR What is the medical term for trouble swallowing?
Dysphagia
JR What is the medical term for swallowing?
Deglutition
JR What is the definition of emesis?
Vomit
JR Which body system converts food into fuel for the body’s energy demand?
Digestive System
JR What is the term used for mechanically breaking down food.
Mastication
JR What terms are used for wastes that are eliminated?
Defecation; egestion
JR Food is digested in which parts of the digestive system?
stomach; intestines
JR What term is used for food elements that are transported via circulation and into body cells.
Absorption
JR What is the medical specialty for the digestive system called?
Gastroenterology
JR The GI tract is approximately ___ to ____ ft long.
28;30
JR Which body systems control the GI system?
Nervous; Endocrine
JR Digestion begins in which cavity?
Oral; Buccal cavity
JR What is the section of the oral cavity that seperates the mouth from the nasopharynx
Soft palate