Digestive Quiz 2

Question 1

Small Intestine

Answer 1

21 ft; divisions include duodenum, jejunum, & illeum; most absorption occurs here

Question 2

Duodenum

Answer 2

Smallest section of small intestine, where stomach empties; ulcers can form here

Question 3

Jejunum

Answer 3

Middle section of small intestine

Question 4

Illeum

Answer 4

Final section of small intestine, joins large intestine via ileocecal sphinter

Question 5

Circular folds

Answer 5

Folds in mucosa to splash chyme & enhance digestion; increase surface area

Question 6

Villi

Answer 6

Finger-like projections that contain capillaries, arteries & veins; increase surface area

Question 7

Microvilli

Answer 7

Smaller projections of the villi to further increase surface area & absorption

Question 8

Segmentation

Answer 8

Mechanical digestion in small intestine; concentration of chyme & juice that sloshes b/n areas of contraction of muscularis

Question 9

Peristalsis

Answer 9

Mechanical digestion in small intestine; moves the chyme steadily through intestines

Question 10

Large Intestine

Answer 10

Complete absorption of WATER; manufacture certain vitamins, formation & elimination of feces; mechanical digestion = mass movements

Question 11

Cecum

Answer 11

1st part of large intestine after ileocecal sphincter; attached to appendix

Question 12

Colon

Answer 12

Made up ascending, transverse, descending, sigmoid

Question 13

Haustra

Answer 13

Pouch like divisions of colon that increase surface area

Question 14

Rectum

Answer 14

Last part of large intestine; stores waste

Question 15

Internal Anal Sphinctor

Answer 15

Anal Sphinctor

Involuntary; can’t control mucle

Question 16

External Anal Sphinctor

Answer 16

Voluntary; you control muscle

Question 17

Defecation

Answer 17

Emptying of rectum

Question 18

Diarrhea

Answer 18

Not enough water is absorbed because chyme travels too quickly through intestine; can cause dehydration

Question 19

Constipation

Answer 19

Feces remain in colon for too long; almost all the water is absorbed; too slow through intestine

Question 20

Appendix

Answer 20

Unknown function; can live without

Question 21

Where are most enzymes produced

Answer 21

• Pancreas

- Small intestine

Question 22

What is the main function of the small intestine

Answer 22

Absorption

Question 23

What type of mechanical digestion takes place in the small intestine

Answer 23

Segmentation- Concentration of chyme and juice that sloshes between areas of contraction of the muscularis
-Peristalsis- moves the chime steadily through intestines

Question 24

What are the three parts of the small intestine

Answer 24

Duodendum (smallest), Jejunum (middle), Illeum (final)

Question 25

What are carbohydrates brokem down into

Answer 25

Monosaccharides

Question 26

What is the name of the sphincter that leads to the large intestine

Answer 26

Ileocecal sphincter

Question 27

What is the main function of the large intestine

Answer 27

- Completion of absorption - Manufacture certain nutrients - Formation of feces - Elimination of feces

Question 28

What is the name of the first pouch of the large intestine

Answer 28

Cecum

Question 29

What is the first pouch of the large intestine attached to

Answer 29

Appendix

Question 30

What are the parts that make up the colon

Answer 30

Cecum, colon, rectum, anus

Question 31

What is an ucler

Answer 31

Lesions in a membrane

Question 32

What are the 4 types of an ucler

Answer 32

Peptic- from gastric juice Gastric- in stomach Esophageal- in the esophagus Duodenal- in small intestine

Question 33

How are the organs of the digestive tract held in place

Answer 33

Mesentary