hollow organs

Question 1

what is the esophagus formed by and function

Answer 1

2 muscular layered tube that pushes food bolus to stomach

Question 2

what does the esophageal sphincter control, is it voluntary

Answer 2

involuntary controls amount of food entering stomach

Question 3

what is stomach formed by and function

Answer 3

muscular pouch that breaks down food mechanically and chemically

Question 4

what is rugae and function

Answer 4

wrinkled folds that increase SA and extensibility for digestive activities
-rugae holds mucus that protects inner surface of stomach

Question 5

where does most digestion in the duodenum occur

Answer 5

descending portion

Question 6

what does the duodenal ampulla do

Answer 6

where pancreas secretes digestive juices through pancreatic duct and liver secretes bile through common bile duct into the duodenum

Question 7

where does the small intestine start and end

Answer 7

plyorus of stomach to iliocecal valve

Question 8

small intestines parts and function

Answer 8

-duodenum, jejunum, ileum
-complete digestion and absorption of 90% nutrients and water

Question 9

what are the plica circulares in the small intestines

Answer 9

permanent folds of mucosa and submucosa that increase SA to enhance absorption

Question 10

where does the large intestine start and finish and function

Answer 10

-ileocecal valve to anus
-reabsoption of water, salts, vitamins and store feces

Question 11

what are the 3 main portions of the large intestines

Answer 11

cecum, colon, rectum

Question 12

what are the 6 parts to go through the large intestine

Answer 12

1. cecum
2. ascending colon
   3.transverse colon
   4.descending colon
   5.sigmoid colon
   6.rectum

Question 13

of the internal and external anal sphincter which is voluntary and involuntary

Answer 13

internal involuntary
external voluntary

Question 14

what are the layers of the peritoneum

Answer 14

parietal and visceral

Question 15

what does the parietal peritoneum line

Answer 15

abdominal wall

Question 16

what does the visceral peritoneum line

Answer 16

organs

Question 17

what creates the greater omentum and function

Answer 17

visceral peritoneum
joins organ to organ and prevents spread of infection

Question 18

how many layers in greater omentum

Answer 18

4

Question 19

where does greater omentum adhere to

Answer 19

starts on greater curvature of stomach and fold back around to transverse colon

Question 20

where does the lesser omentum adhere to

Answer 20

lesser curvature of stomach

Question 21

what is the mesentary

Answer 21

2 layers of peritoneum and vessels that keeps organs in cavity

Question 22

where does the mesentary come from

Answer 22

comes off posterior wall