Therapy, 13th Edition Schlenker & Gilbert
Food: Change and Transformation - ANSWER:food -> simple sustance -> body
absorbs -> metabolic pathway in cell
food is a mixture of - ANSWER:chemical substances ad nutrients
nutrients released from food are unavailable to the body until they cross the ___ ___
and are transported to _____ for storage or immediate use - ANSWER:intestinal wall,
tissues
health and nutrition allows - ANSWER:homeostasis
GI tract (alimentary canal) - ANSWER:tube that extends from mouth to anus
specific parts of the tract - ANSWER:mouth, esophagus, stomach, small intestine,
large intestine (colon), and rectum
organs that lie outside the tract - ANSWER:pancreas, gallbladder, and liver
4 MAJOR FUNCTIONS IN DIGESTION AND ABSORPTION - ANSWER:1. RECEIVES FOOD
2. RELEASES NUTRIENTS FROM FOOD
3. DELIVERS NUTRIENTS INTO THE BLOOD
4. EXCRETES NONDIGESTIBLE WASTE
Physiologic and psychological factors influence - ANSWER:digestion
sensory stimulation - ANSWER:secretion of digestive juices and muscle motility
digestion - ANSWER:first step in preparing food for use by the body
two types of action involved in digestion - ANSWER:chemical, muscular
GI secretions (mucosal lining) - ANSWER:enzymes, hydrochloric acid and buffer ions,
mucus, water and electrolytes
muscle layers from the outer surface inward - ANSWER:serosa
longitudinal muscle layer
circular muscle layer
submucosa
mucosa
longitudinal muscle - ANSWER:helps propel food mass forward