Chapter 26 Part 2

Question 1

The small intestine extends from the pyloric sphincter to the..

Answer 1

Ileocecal sphincter

Question 2

Small intestine is divided into the

Answer 2

Duodenum, jejunum, and ileum

Question 3

Small intestine is highly adapted for?

Answer 3

Digestion and absorption

Question 4

Small intestine glands produce..

Answer 4

Enzymes, mucus, and microvilli, villi and circular folds

Question 5

Mechanical digestion in the small intestine involves?

Answer 5

Segmentations and peristalsis

Question 6

Enzymes in pancreatic juice and in microvilli of absorptive cells of the small intestine breakdown..

Answer 6

Disaccharides to monosaccharides

Question 7

Protein digestion is completed by?

Answer 7

Peptidase enzymes

Question 8

Triglycerides are broken down into fatty acids and monoglycerides by

Answer 8

Pancreatic lipase

Question 9

Passage of nutrients from digested food in the GI tract into blood or lymph ?

Answer 9

Absorption

Question 10

Absorption which occurs mostly in the small intestine, occurs by ?

Answer 10

Simple diffusion, facilitated diffusion, osmosis, and active transport

Question 11

Monosaccrides, amino acids and short-chain fatty acids pass into?

Answer 11

Blood capillaries

Question 12

The large intestine extends from the..

Answer 12

Ileocecal sphincter to the anus

Question 13

Large intestines regions include?

Answer 13

Cecum, colon, rectum, and anal canal

Question 14

Contains numerous absorptive cells that absorb water and goblet cells that secret mucus

Answer 14

Mucosa

Question 15

Strong peristaltic wave that drives the contents of the colon into rectum

Answer 15

Mass peristalsis

Question 16

In the large intestine, substances are further broken down and some vitamins are synthesized through?

Answer 16

Bacterial action

Question 17

The large intestine absorbs?

Answer 17

Water, electrolytes and vitamins

Question 18

He elimination of feces from the rectum is called ?

Answer 18

Defecation

Question 19

Reflex action aided by voluntary contractions of diaphragm and abdominal muscles.

Answer 19

Defecation

Question 20

Digestive activities occur in three overlapping phases?

Answer 20

Cephalic phase, gastric phase, intestinal phase

Question 21

Salivary glands secret saliva and gastric glands secret gastric juice in order to prepare the mouth and stomach for food that is about to be eaten.

Answer 21

Cephalic phase

Question 22

Presence of food in stomach causes what phase? Promotes gastric juice

Answer 22

Gastric phase

Question 23

In this phase food is digested in the small intestine

Answer 23

Intestinal phase

Question 24

Digestive changes with age include?

Answer 24

Decreased secretory mechanisms, decreased motility and loss of tone

Question 25

Specific changes with age include

Answer 25

Loss of taste, hernias, ulcer