Digestive System

Question 1

Finger like projections that increase SA for absorption in small intestine

Answer 1

Villi

Question 2

Chewed food lump which moves into stomach from esophagus

Answer 2

Bolus

Question 3

Which organ produces bile?

Answer 3

Liver

Question 4

Which organ stores bile?

Answer 4

Gall bladder

Question 5

Enzyme that breaks down DNA and RNA into its separate components

Answer 5

Nucleotidase

Question 6

Inactive form of trypsin

Answer 6

Trypsinogen

Question 7

Small finger like projection that is located between large and small intestine. It is believed to store bacteria that help the function of the digestive system

Answer 7

Appendix

Question 8

Small capillary of the lymphatic system. It is found in villi and it absorbs fat

Answer 8

Lacteals (lacteal duct)

Question 9

Enzyme that works in the duodenum to digest maltose

Answer 9

Maltase

Question 10

Gastric juice contains _______ and _______

Answer 10

HCl & pepsin

Question 11

This gets digested into glycerol and fatty acids

Answer 11

Fats

Question 12

Mucus lines the lining of the ________ to protect it from damage of the contents inside

Answer 12

Stomach

Question 13

This substance is broken down by bile

Answer 13

Fats

Question 14

What does bile do?

Answer 14

Breaks down or emulsifies fats into smaller droplets to increase SA and for easier digestion

Question 15

Slurry of water and food in the stomach that goes into duodenum

Answer 15

Chyme

Question 16

Which duct carries bile from the gall bladder to the duodenum?

Answer 16

The common bile duct

Question 17

The folds of the wall of the stomach are called _______. They can stretch to hold 2 L of food !

Answer 17

Rugae

Question 18

Liquid secreted into the mouth for digestion

Answer 18

Saliva

Question 19

Which sphincter regulates amount of chyme that enters the duodenum ?

Answer 19

Pyloric

Question 20

Which tube connects mouth to stomach

Answer 20

Esophagus

Question 21

The esophagus and intestines move food along using rhythmic muscle contractions called

Answer 21

Peristalsis

Question 22

Which structure contains feces before they are eliminated from body

Answer 22

Rectum

Question 23

This hormone is secreted by pancreas and stimulates the liver to release stored glycogen to increase blood glucose levels

Answer 23

Glucagon

Question 24

The structure responsible for the absorption of water after digestion process complete

Answer 24

Large int.

Question 25

This hormones is secreted by pancreas and stimulates the uptake of glucose levels from the blood by cells

Answer 25

Insulin

Question 26

Further increasing the SA, villi in the small int. contain

Answer 26

Micro Villi

Question 27

Large sac in which digestion of protein begins

Answer 27

Stomach

Question 28

Region at the back of throat where mouth and nasal cavity and the top of esophagus meet

Answer 28

Nasopharynx

Question 29

Which enzyme breaks from disaccharides like cows milk

Answer 29

Lactase

Question 30

Structure responsible for both the digestion and absorption of food nutrients

Answer 30

Small int.

Question 31

Peptidase works where and what does it help digest

Answer 31

Small int. And helps digest peptides

Question 32

Enzyme that passes through duodenum to break down starch

Answer 32

Pancreatic amylase

Question 33

Flap of skin which covers internal nares during swallowing

Answer 33

Uvula

Question 34

Organ that secretes several digestive enzymes into small int

Answer 34

Pancreas

Question 35

How many sphincters does the average human have

Answer 35

2

Question 36

Carbs and protein are absorbed into what bodily system?

Answer 36

Circulatory

Question 37

Which vein takes nutrient rich blood from capillaries surrounding small int to the liver?

Answer 37

Hepatic portal vein

Question 38

Fats are absorbed into what system of the body?

Answer 38

Lymphatic

Question 39

Salivary ______ breaks down starch into maltose in mouth

Answer 39

Amylase

Question 40

The first 25-30xm of small int is called________. Much of the chemical digestion occurs there

Answer 40

Duodenum

Question 41

Another name for large int

Answer 41

Colon

Question 42

_______ juice contains many enzymes including trypsinogen, lipase , and amylase

Answer 42

Pancreatic

Question 43

Inactive form of enzyme pepsin

Answer 43

Pepsinogen

Question 44

The _______ sphincter prevents backflow of the material from the stomach unit esophagus

Answer 44

Cardiac

Question 45

This duct Carries pancreatic juice to common bile duct where the two join into the duodenum

Answer 45

Pancreatic duct

Question 46

Open sore on the wall of stomach is called an

Answer 46

Ulcer

Question 47

What is the main substance re-absorbed after digestion in large int?

Answer 47

Water

Question 48

Enzyme that works for the duodenum to digest fats!

Answer 48

Lipase

Question 49

Enzyme secreted by stomach to digest protein

Answer 49

Pepsin

Question 50

Which enzyme is created by pancreas to break down rna and dna

Answer 50

Nuclease

Question 51

Which enzyme works in duodenum to digest protein

Answer 51

Trypsin

Question 52

Substance broken down by saliva

Answer 52

Starch

Question 53

Secreted by stomach to breakdown food

Answer 53

Acid

Question 54

List source gland, site of digestion and reaction of : Salivary amylase

Answer 54

1. salivary gland 2. mouth 3. starch into maltose (hydrolysis)

Question 55

List source gland, site of digestion and reaction of : Pancreatic amylase

Answer 55

1. pancreas 2. small int 3. carbs, starch into maltose

Question 56

List source gland, site of digestion and reaction of : pepsin

Answer 56

1. gastric glands 2. stomach 3. protein into smaller proteins

Question 57

List source gland, site of digestion and reaction of : trypsin

Answer 57

1. pancreas 2. small int, duodenum 3. protein into smaller proteins

Question 58

List source gland, site of digestion and reaction of : lipase

Answer 58

1. pancreas 2. small int. 3. fats into fatty acids and glycerol

Question 59

List source gland, site of digestion and reaction of : peptidase

Answer 59

1.pancreas and small int. 2. small int 3. breaks down proteins into smaller polypeptides or single amino acids

Question 60

List source gland, site of digestion and reaction of : maltase

Answer 60

1.mucous membrane of inside of intestinal wall 2. small int 3. helps catalyze the hydrolysis of disaccharide maltose to simple sugars like glucos

Question 61

List source gland, site of digestion and reaction of : nuclease

Answer 61

1.pancreas 2. small int 3. nucleic acids DNA and RNA

Question 62

List source gland, site of digestion and reaction of : nucleotidase

Answer 62

1. liver 2. in bile, small int 3. catalyzes hydrolysis of nucleotides

Question 63

during digestion, proteins are broken down into _________. Carbs are broken down into _________, fat into ___________ and ________, and nucleic acids into ____________.

Answer 63

1. amino acids 2. simple sugars 3. fatty acids and glycerol 4. nucleotides

Question 64

what is the optimal ph for trypsin ?

Answer 64

works in the small int. ph is alkaline, 8.5

Question 65

optimal ph for salivary amylase

Answer 65

neutral, 7.0