practice vocab quiz

Download Report

Transcript practice vocab quiz

Test B
1. the largest gland in the body, on the RUQ; & has
lobes. It produces bile
2. involuntary action that involves alternating waves of
contraction/relaxation of the muscles in the organ
wall. Moves food along alimentary canal.
3. food that has been processed in the stomach that
looks like heavy cream.
4. is a dead end pouch at the beginning of the large
intestine, just below the ileocecal valve.
5. is a small, thin-walled green sac that stores bile &
removes excess water from bile
6. about 5’ long, it extends from the ileocecal valve to
the anus. Its major functions are mechanical &
chemical digestion, absorption of water, vitamins K &
K & same Na & Cl & defecation.
7. a membranous fold attaching various organs to the
body wall; especially the peritoneal fold attaching the
small intestine to the dorsal body wall
8. microscopic extension of the outer surface of the
absorptive cells that line each villus. They form the
brush border of the small intestine to increase the
surface area over which digestion & absorption take
place.
9. found mostly in the submucosa of the ileum, are
clusters of lymphatic nodules that provide a
defensive barrier against bacteria.
10. large folds w/in the mucosa of the stomach that
increase it’s surface area.
11. C-shaped, baglike organ that expands to store food
& is found on the left side of the abdominal cavity.
Its functions include food storage, mixing, physical &
chemical breakdown of food & controlled release of
chyme. (about 10” long). (can hold about 1 gallon of
food)
12. (bad cholesterol); transport cholesterol & other lipids
to body cells where they are used in various ways. If
large amounts of LDL are circulating in the blood,
the fatty substances will be deposited on the arterial
walls causing atherosclerosis.
13. a calcified tissue (like bone) that composes the bulk
of the tooth.
14. food stuffs are chemically broken down by enzymes.
These reactions are called hydrolysis because a
water molecule is added to each bond to be broken.
15. mixing of food in the mouth by the tongue, churning
of food in the stomach & segmentation in the small
intestine are all examples of this process. It
prepares food for further degradation by enzymes.
16. a soft pink, triangular, gland posterior to the
stomach, that produces both enzymes that break
down all categories of digestible foods. {endocrine
(Islets of Langerhans cells1%) & exocrine (acini
cells90%) secretions. }
17. larger molecules or structures are built from
smaller ones.
18. about 10” long receives chyme from the
stomach through the pyloric sphincter. 1st part
of small intestine.
19. its alkaline waste that helps emulsify fats,
serving to help neutralize the HCl in the
chyme. Yellow to green watery solution
20. present in everyone, but when the hemorrhoid
tissue becomes enlarged it is a painful, itching
mass of dilated veins in swollen anal tissue
(also called piles)
21. a local defect or hole in the surface of an
organ or tissue produced by sloughing of
necrotic inflammatory tissue.
22.-24. Name 3 of the 7 Digestive Organs: