202 - Digestive System III, b

Question 1

Gastrin is secreted by the stomach __-_____

Answer 1

G-cells

Question 2

cholecystokinin (CCK), secretin, Gastrin inhibitory peptide (GIP) all secreted by

Answer 2

small intestine

Question 3

acid +, pepsin +, gastrin motility + due to what hormone?

Answer 3

gastrin

Question 4

gallbladder +, pancreatic enzymes + due to what hormone?

Answer 4

cholecystokinin (CCK)

Question 5

bile duct and pancreatic bicarbonate +, gastric motility - due to what hormone?

Answer 5

secretin

Question 6

gastric secretion -, motility - due to what hormone?

Answer 6

gastric inhibitory peptide (GIP)

Question 7

peptides, amino acids, distension stimulate secretion of what hormone? inhibited by acid.

Answer 7

gastrin

Question 8

peptides, amino acids, fatty acids stimulate secretion of what hormone?

Answer 8

cholecystokinin (CCK)

Question 9

acid stimulates secretion of what hormone?

Answer 9

secretin

Question 10

glucose, fat stimulate secretion of what hormone?

Answer 10

gastric inhibitory peptide (GIP)

Question 11

mastication means . . .

Answer 11

chewing

Question 12

swallowing involves both _____ and ____ muscle

Answer 12

skeletal and smooth

Question 13

the contractile wave, passing from the pharyngeal end of the esophagus to the gastric end is called _____

Answer 13

peristalsis

Question 14

the stomach can relax to accommodate quantities of food without raising its pressure appreciably, called _______ _______

Answer 14

receptive relaxation

Question 15

peristaltic contractions of the stomach then thoroughly mix the food and gastric juices to form _____

Answer 15

chyme

Question 16

cephalic influences EXCITATORY/INHIBITORY/BOTH function of stomach

Answer 16

BOTH

Question 17

gastric influences EXCITATORY/INHIBITORY/BOTH function of stomach

Answer 17

excitatory

Question 18

intestinal influences EXCITATORY/INHIBITORY/BOTH function of stomach

Answer 18

inhibitory

Question 19

______ influence is stimulated by sight, smell, thought of food (vagus nerve x); anger, fear, depression inhibit

Answer 19

cephalic

Question 20

_______ influence is stimulated by dissension, products of protein digestion

Answer 20

gastric

Question 21

_____ influence stimulates acid, and gastrin secretion by G-cells

Answer 21

gastric

Question 22

______ influence causes hormonal (GIP, secretin) and neural (enterogastric reflex) inhibition

Answer 22

intestinal

Question 23

____ and ______ both cause hormonal inhibition (intestinal influence)

Answer 23

GIP and secretin

Question 24

_________ ______ is caused by neural inhibition (intestinal influence)

Answer 24

enterogastric reflex

Question 25

in the small intestine, chyme from the stomach is mixed with ______ of the mucosal epithelial cell and with pancreatic juice and ____

Answer 25

secretions; bile

Question 26

__________ contractions are ring-like contractions that appear and disappear at various points along the small intestine. They slosh chyme back and forth over the villi, as well as over the microvilli of the brush border on the mucosal epithelial cells

Answer 26

segmentation

Question 27

_________ contractions are coordinated waves of contraction that move the chyme towards the large intestine. They occur mainly in response to stretching of the intestinal walls

Answer 27

peristaltic

Question 28

________ reflex - peristaltic contractions responding to stretching of the intestinal walls

Answer 28

myenteric