GI

Question 1

Where does digestion begin?

Answer 1

in the mouth

Question 2

Saliva contains ___ that initiate the breakdown of starch in digestion.

Answer 2

enzymes

Question 3

Movement of food after chewing

Answer 3

mouth > pharynx > esophagus

Question 4

3 main functions of the stomach

Answer 4

mixing, storing food
dissolving, degrading food via secretions
controlling passage of food into the small intestine

Question 5

Where does protein digestion begin?

Answer 5

stomach

Question 6

movement of food via the smooth muscles is called

Answer 6

peristalsis

Question 7

absorption process beings where?

Answer 7

small intestines

Question 8

Largest solid organ and gland

Answer 8

liver

Question 9

Where is the liver located?

Answer 9

below the diaphragm on the R side of the chest

Question 10

What are the 4 lobes of the liver?

Answer 10

R, L, quadrate, caudate lobes

Question 11

What are the 5 ligaments that secure the liver to the diaphragm and abdominal wall?

Answer 11

falciform
coronary
R triangular
L triangular
round ligament

Question 12

Nutrient rich blood is supplied to the liver via the ___ ___ ___.

Answer 12

hepatic portal vein

Question 13

Oxygen rich blood is supplied to the liver via the ___ ___.

Answer 13

hepatic artery

Question 14

Blood leaves the liver via the ___ ___.

Answer 14

hepatic veins

Question 15

functions of the liver

Answer 15

production of bile, blood plasma protein, cholesterol
storages excess glucose (glycogen)
regulates amino acids
process Hgb
converts ammonia to urea
purification of blood
regulates blood clotting
controls infections by boosting immune factors

Question 16

Where is the pancreas located?

Answer 16

back of the abdomen behind the stomach

Question 17

Name the 2 parts of the pancreas

Answer 17

Head - R, wider portion

Tail - L, narrow portion

Question 18

First part of the small intestine

Answer 18

duodenum

Question 19

Is the pancreases an endocrine or exocrine gland?

Answer 19

both

Question 20

What is the function of the exocrine tissue of the pancreas?

Answer 20

secretes digestive enzymes

Question 21

What is the function of the endocrine tissue of the pancreas?

Answer 21

secretes hormones into the blood stream

Question 22

The main pancreatic duct connects the common bile duct near the ___.

Answer 22

duodenum

Question 23

Blood is supplied to the pancreas via which 3 arteries?

Answer 23

splenic artery
gastroduodenal artery
superior mesenteric artery

Question 24

The pancreas secretes large amounts of ___ ___ to neutralize stomach acid

Answer 24

sodium bicarb

Question 25

___ is the secretion of the liver and is particularly useful in breaking down fat.

Answer 25

Bile

Question 26

Where is bile stored?

Answer 26

Gallbladder

Question 27

The lining of the intestines is covered with ___

Answer 27

villi

Question 28

semi-liquid mass of partially digested food

Answer 28

chyme

Question 29

the large intestine is aka the ___

Answer 29

colon

Question 30

what is the purpose of the colon

Answer 30

concentrates, mixes, and stores waste material

Question 31

Which system triggers an impulse int eh body toe expel waste from the rectum?

Answer 31

nervous

Question 32

A muscle ___ at the end of the ___ is stimulated to facilitate the expelling of waste matter

Answer 32

sphincter; anus

Question 33

Speed at which waste moves through the colon is influence by which 2 things?

Answer 33

volume of fiber and other undigested materials