Muscular System Functions Quiz 2

Question 1

Esophagus

Answer 1

conducts food from the oropharynx, through the diaphragm, into the stomach.

Question 2

Lumen

Answer 2

portion of esophagus that comes into contact with food

Question 3

Cardiac Sphincter

Answer 3

prevents backflow of stomach acids

Question 4

Esophageal Hiatus

Answer 4

where esophagus penetrates the diaphragm

Question 5

Coelom

Answer 5

the body cavity

Question 6

Visceral Peritoneum

Answer 6

membrane lining the outer surface of the GI tract

Question 7

Mesentery

Answer 7

double folded membrane which attaches the GI tract to the back of the body wall

Question 8

Stomach

Answer 8

receives contents from the esophagus, stores and mixes food

Question 9

Greater Curvature

Answer 9

left side

Question 10

Lesser Curvature

Answer 10

right side

Question 11

Pyloric Region

Answer 11

terminal portion of the stomach, closest to the small intestine

Question 12

Pyloric Sphincter

Answer 12

opening leading from the pylorus to the duodenum, gateway between stomach and small intestine

Question 13

Fundus

Answer 13

domed section of the stomach superior to the cardia

Question 14

Gastric Rugae

Answer 14

allows for expansion of the stomach after the consumption of food and liquids

Question 15

Esophageal Sphincter

Answer 15

prevents stomach contents from moving into the esophagus

Question 16

Cardia

Answer 16

upper portion of the stomach

Question 17

Body

Answer 17

main part of the stomach

Question 18

Small Intestine

Answer 18

nutrients absorption, food moves through by peristalsis

Question 19

Duodenum

Answer 19

first portion of the small intestine, receives fluid from the pancreas and gallbladder

Question 20

Jejunum

Answer 20

second portion of the small intestine

Question 21

Ileum

Answer 21

last (terminal) portion of the small intestine

Question 22

Ileocecal Valve

Answer 22

closure between the small intestine and the large intestine

Question 23

Villi

Answer 23

tiny finger-like projections made up of cells that line the entire length of the small intestine

Question 24

Large Intestine

Answer 24

absorption of water, formation of feces

Question 25

Cecum

Answer 25

first part of the large intestine, pouch-like

Question 26

Ascending Colon

Answer 26

part of the large intestine that rises, contains the ileocecal valve

Question 27

Transverse Colon

Answer 27

part of the large intestine that runs across

Question 28

Descending Colon

Answer 28

part of the large intestine that runs down

Question 29

Rectum

Answer 29

straight section of the colon found in the pelvic cavity

Question 30

Anus

Answer 30

opening at the end of the anal canal, expels waste

Question 31

What are the 4 layers of the alimentary canal

Answer 31

mucosa, submucosa, muscularis, serosa