Digestion Anatomy

Question 0

Voluntary processes

Answer 0

Swallowing

Question 1

Involuntary processes

Answer 1

Peristalsis

Question 2

Digestion mechanical or chemical?

Answer 2

Both

Question 3

Food that is physically prepared for chemical digestion

Answer 3

Mechanical digestion

Question 4

Examples of mechanical digestion

Answer 4

Chewing, mixing of food with saliva using tongue and cheek muscles

Question 5

Rhythmic constrictions of intestine (which mixes food w digestive juices)

Answer 5

Segmentation

Question 6

When does absorption occur?

Answer 6

When nutrients vitamins minerals and water are moved from the lumen of intestinal tract into blood or lymph

Question 7

Mechanical processing, moistening, mixing w saliva

Answer 7

Oral cavity, teeth, tongue

Question 8

Transport or minerals to stomach

Answer 8

Esophagus

Question 9

Secretion of bile, storage of nutrients,

Answer 9

Liver

Question 10

Storage and concentration of bile

Answer 10

Gallbladder

Question 11

Dehydration and compaction of indigestible materials in preparation for elimination

Answer 11

Large intestine

Question 12

Secretion of lubricating fluid containing enzymes that break down carbohydrates

Answer 12

Salivary glands

Question 13

Muscular propulsion of materials via acid and enzymes, mechanical processing through muscular contractions

Answer 13

Stomach

Question 14

Exocrine cells secrete buffers and digestive enzymes, endocrine cells secrete hormones

Answer 14

Pancreas

Question 15

Enzymatic digestion and absorption of water, organic substrates, vitamins and ions

Answer 15

Small intestine

Question 16

Moist epithelium that lines alimentary canal lumen from mouth to anus
Ranges in function (protection, absorption, secretion)

Answer 16

Mucosa

Question 17

Loose areole ct supporting mucosa

Answer 17

Laminate propia

Question 18

Thin double layer that alters shape of lumen with contractions

Answer 18

Muscularis mucosa

Question 19

Highly vascularized areolar ct that connects mucosa to third layer

Answer 19

Submucosa

Question 20

Controls secretion of glands

Answer 20

Sub mucosal plexus

Question 21

Functions in peristalsis and segmentation, formation of sphincters (controls 1 way movements)

Answer 21

Muscularis externa

Question 22

Autonomic nerve plexus that helps control the gut movements via peristalsis and segmentation

Answer 22

Auerbach’s or myenteric plexus

Question 23

Cells that secrete HCl and intrinsic factor, are acidophilic

Answer 23

Parietal cells

Question 24

Cells that secrete pepsin and gastric lipase

Answer 24

Chief cells

Question 25

Cells that secrete alkaline mucus that contains bicarbonate

Answer 25

Goblet cells

Question 26

Cells that secret a thin mucus that is chemically different than the mucus produced by goblet cells

Answer 26

Mucus neck cells

Question 27

Helps absorb vitamin B12 thus necessary for RBC production

Answer 27

Intrinsic factor

Question 28

Peptide hormone that stimulates! secretion of gastric acid (HCl)

Answer 28

Gastrin