Mouth to Small Intestine - Digestive System Quiz

Question 1

Whats the summary of the food processing process in order?

Answer 1

Ingestion, digestion, absorption, egestion

Question 2

Whats excretion

Answer 2

the removal of material that was once part of the living tissue of the organism

Question 3

whats egestion

Answer 3

the removal of undigested food that has never entered the tissues of the body

Question 4

what are the 2 main processes of digestion

Answer 4

chemical and mechanical

Question 5

whats the pH orange of the mouth

Answer 5

6-7.4

Question 6

what’s the purpose of the tongue

Answer 6

it positions the food on the teeth, aids in mixing saliva with the food, helps move food to the pharynx and allows you to taste food

Question 7

whats the pharynx

Answer 7

common area at the back of the throat for you digestive and respiratory system

Question 8

whats the purpose of the teeth

Answer 8

to mechanically grind and break down food as well as expose more surface area of the food so that the enzymes can break it down better

Question 9

what’s the purpose of the teeth

Answer 9

to mechanically grind and break down food as well as expose more surface area of the food so that the enzymes can break it down better

Question 10

what are the three pairs of salivary glands

Answer 10

parotid, sublingual, and submaxillary

Question 11

what’s the purpose of saliva

Answer 11

its helps to soften/, moiston food as well as aids in forming bolus

Question 12

whats the makeup of saliva

Answer 12

99% water, 1% amylase

Question 13

how do you spell amylase

Answer 13

A-M-Y-L-A-S-E

Question 14

whats amylase

Answer 14

an enzyme that breaks down amylose thorugh enzymatic hydrolysis

Question 15

whats amylose

Answer 15

a common component of starches and carbohydrates

Question 16

whats the roof of the mouth called

Answer 16

the palate

Question 17

what are the 2 types of palates and where are they located

Answer 17

the hard palate which is at the front of the mouth, and the soft palate which is at the back of the mouth

Question 18

whats the uvula and what does it do

Answer 18

the tissue hanging at the back of the mouth that tips when you swallow to help block the entrance to the nasal passage

Question 19

whats the epiglottis

Answer 19

flap of tissue that closes off the trachea during swallowing so that the food doesn’t enter your respiratory track

Question 20

where is the epiglottis located

Answer 20

at the lower end of the pharynx

Question 21

what does the trachea do

Answer 21

carries air to the lungs

Question 22

what is the esophagus

Answer 22

a muscular collapsible tube that connects the pharynx to the stomach

Question 23

what does the esophagus do

Answer 23

carries food down to the stomach

Question 24

how does the esophagus help move food down towards the stomach

Answer 24

secretes a mucus wtihout enxymes that helps to lubricate the bolus and useses peristalisis

Question 25

whats esophageal peristalsis

Answer 25

muscular contractions that help to move the bolus down the esophagus to the stomach

Question 26

where is the stomach located

Answer 26

below the diaphragm towards the left side of the abdomen

Question 27

what is the stomach made of

Answer 27

3 different layers of smooth involuntary muscles

Question 28

What are the 3 muscles in the stomach called

Answer 28

longitudinal, circular, and oblique

Question 29

whats gastric peristalsis

Answer 29

muscular contractions that help to mix the gastric juices with food

Question 30

whats rugae

Answer 30

many wrinkles/ridges in the wall of the stomach that increase its surface area and ability to stretch, as well as create gastric pits at the bottom of each fold

Question 31

what are the 4 types of gastric juices?

Answer 31

pepsinogen, hydrochloric acid, rennin, gastric lipase

Question 32

whats pepsinogen

Answer 32

an inactive form of the enzyme that breaks down proteins

Question 33

whats pepsin

Answer 33

the active form of pepsinogen

Question 34

what does pepsin do

Answer 34

helps break down proteins

Question 35

whats hydrochloric acid do

Answer 35

convert pepsinogen to pepsin

Question 36

whats rennin

Answer 36

an enzyme found some animals that aids with the clotting of milk

Question 37

whats gastric lipase

Answer 37

en enzyme that breaks triglycerides (fats) into 3 fatty acids and glycerol

Question 38

whats the name of the valve that allows food to enter the stomach

Answer 38

cardine valve

Question 39

whats the name of the valve that allows food to exit the stomach into the duodeum

Answer 39

pyloric valve

Question 40

whats food called after it has left the stomach through the pyloric valve

Answer 40

chyme

Question 41

what gets digested in the stomach

Answer 41

proteins and lipids

Question 42

roughly how long is the small intestine

Answer 42

7 m

Question 43

where does carbohydrate digestion start

Answer 43

in the mouth

Question 44

where does protein digestion start

Answer 44

in the stomach

Question 45

why is the small intestine called 'small' even though it is longer than the large intestine

Answer 45

because its diameter is much smaller than the diameter of the large intestine

Question 46

what are the 3 main portions of the small intestine in order

Answer 46

duodenum, jejunum, ileum

Question 47

which digestive glands feed into the duodenum

Answer 47

pancrease and liver/gallbladder

Question 48

where are most products of digestion absorbed

Answer 48

in the jejunum

Question 49

what's the longest section of the small intestine called

Answer 49

the ileum

Question 50

what is the small intestine lined with

Answer 50

villi/microvilli

Question 51

what does the core of each villus contain

Answer 51

capillaries and lacteal

Question 52

whats lacteal

Answer 52

a central lymph vessel

Question 53

what are villi/microvilli

Answer 53

a highly specialized absorptive system made up of little finger-like projections within the small intestine

Question 54

what does the liver secrete

Answer 54

bile

Question 55

what is bile

Answer 55

chemical secretion from the liver that helps to break up fat

Question 56

what is the digestive function of bile

Answer 56

it emulsifies fat and activates lipase

Question 57

whats lipase

Answer 57

the enzyme that breaks down fats/lipids

Question 58

what does the pancrease secrete

Answer 58

pancreatic fluid

Question 59

what enzymes does pancreatic fluid contain

Answer 59

pancreatic analyse, pancreatic lipase and trypsin

Question 60

whats the digestive function of pancreatic amylase

Answer 60

helps to break down starches and other carbohydrates into maltose and other forming disaccharides

Question 61

whats the digestive function of pancreatic lipase

Answer 61

helps to break down fats into fatty acids and glyceride

Question 62

whats the digestive function of trypsin

Answer 62

it converts proteins into peptides and amino acids

Question 63

what do the intestinal glands and small intestine secrete

Answer 63

intestinal fluid

Question 64

what enzymes are in intestinal fluid

Answer 64

enterokinase, mucus and disaccharidases

Question 65

whats the digestive function of enterokinase

Answer 65

it converts trypsinogen into trypsin

Question 66

whats the digestive functions of disaccharidases

Answer 66

it breaks down lactase, maltase and sucrase into forming monosaccharides

Question 67

whats the digestive function of mucus

Answer 67

helps lubricate things

Question 68

what does sodium bicarbonate do and where is it released

Answer 68

- released from pancreas - neutralizes acids from stomach within chyme when it comes out of pyloric valve