Chapter 12 Flashcards
peristalsis
waves of contraction that assist in propelling food into stomach
aspirate
food goes trachea instead of esophagus
small intestine
digestion and most of the absorption of nutrients take place here
three section of small intestine
duodenum-attached to the stomach; central jejunum; distal ileum-attached to the colon (large intestine); enlargement-appendix attaches here
small intestine-villi
increase surface area to increase absorption
recovery position
laying on left side
colon
does not play a part in digestion; water is added or removed from feces; pd mucus
what needs to happen for digestion to function fully
no blockages (whole system: mouth to anus); absorption system through walls of system; intact endocrine system and blood/nerve supply
barium test (enema and swallow)
radioactive, iodine, live x-ray; shows tumors, leaking, constriction, etc
test for large intestines
colonoscopy and sigmoidoscopy
digital rectal exam
checks prostate (polyps, etc)
gastroesophageal reflux disease (GERD)
reflux/heartburn; weak sphincter muscles or slow emptying from stomach to intestines; can cause esophageal cancer because of the accumulative damage; can be corrected by meds, sleep on an incline, surgery, diet (decrease foods that are highly acidic)
3 pairs of salivary glands
parotid gland, submandibular and sublingual
esophageal cancer
squamous cell carcinoma develops from the squamous epithelial cells lining the esophagus and adenocarcinoma derives from the mucus-producing cells; no symptoms early on; advanced symptoms-chronic hiccups; hoarse voice; pain swallowing
two common types of precancerous lesions in the mouth
leukoplakia- white area of tissue; erythroplakia- red area of tissue