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WorksheetsThe Digestive System
Total questions: 111
Worksheet time: 1hrs 15mins
Name
Class
Date
1.
Which organ holds the waste left over from food?
a)
stomach
b)
large intestines
c)
liver
d)
small intestines
2.
What does the tongue do to help with your digestion?
a)
Breaks the food into smaller pieces.
b)
Begins breaking food down with acid.
c)
Helps your esophagus to stretch.
d)
Pushes the food around and to the back of your throat.
3.
Where does the stomach empty into?
a)
Small intestine
b)
Large intestine
c)
Pancreas
d)
Liver
4.
Which organ pulls out the vitamins and minerals from the food you've eaten?
a)
large intestines
b)
small intestines
c)
stomach
d)
pancreas
5.
What is the last part of the large intestine called?
a)
pancreas
b)
esophagus
c)
appendix
d)
rectum
6.
Which organ produces bile?
a)
pancreas
b)
stomach
c)
liver
d)
gallbladder
7.
What organ is the largest and helps clean your blood by destroying worn out blood cells?
a)
pancreas
b)
small intestines
c)
esophagus
d)
liver
8.
Where is waste stored before it is ready to leave the body?
a)
rectum
b)
large intestines
c)
pancreas
d)
small intestines
9.
Which structure is responsible for water absorption and production of Vitamin K?
a)
epiglottis
b)
Stomach
c)
Large intestine
d)
Small intestine
10.
Which structure is a 'trapdoor' that prevents food from entering the trachea?
a)
epiglottis
b)
esophagus
c)
pharynx
d)
appendix
11.
Where does chemical digestion begin?
a)
Mouth
b)
esophagus
c)
stomach
d)
small intestine
12.
____________ is when smooth muscles contract to gently move food through the alimentary canal. It begins with swallowing.
a)
bolus
b)
peristalsis
c)
ulcer
d)
amylase
13.
Which is the correct pathway that food takes through the alimentary canal?
a)
mouth, stomach, esphagus, small intestine, large intestine, rectum
b)
mouth, esophagus, stomach, small intestine, large intestine, rectum
c)
mouth, esophagus, small intestine, large intestine, stomach, rectum
d)
rectum, rectum, rectum. Anal retentive teacher
14.
What is secreted in the stomach to kill bacteria?
a)
amylase
b)
Hydrochloric acid
c)
Sodium bicarbonate
d)
bile
15.
Which organ makes enzymes (lactase, amylase, protease, maltase) to break down the food that you eat?
a)
gallbladder
b)
liver
c)
pancreas
d)
rectum
16.
Where does physical digestion occur in the digestive system?
a)
pancreas and liver
b)
mouth and small intestine
c)
stomach and small intestine
d)
mouth and stomach
17.
What does ingestion mean?
a)
Taking food in via the mouth
b)
Taking food in via the stomach
18.
What is an example of mechanical digestion?
a)
Churning of the stomach
b)
Saliva
19.
What does emulsify mean?
a)
To disperse the particles of one liquid evenly
b)
To suspend material within a solid
20.
The pulp cavity contains...
a)
enamel
b)
dentin
c)
nerves and blood vessels
d)
bone
21.
The oral cavity consists of...
a)
larynx, mouth, pharynx
b)
mouth
c)
mouth and pharynx
d)
mouth, pharynx, and esophagus
22.
Which of the following helps digest starch in the mouth...
a)
salivary amylase
b)
lysozymes
c)
mucin
d)
bolus
23.
A bolus...
a)
helps digest starch
b)
is a combination of saliva and food
c)
creates antibacterial activity in the mouth
d)
acts as a lubricant
24.
Which structure prevents food from entering the trachea?
a)
larynx
b)
soft palate
c)
pharynx
d)
epiglottis
25.
Which area is a common area for both food and air?
a)
pharynx
b)
larynx
c)
soft palate
d)
epiglottis
26.
The structure that transports the bolus from the pharynx to the stomach it called...
a)
larynx
b)
trachea
c)
esophagus
d)
pyloric sphincter
27.
The involuntary muscular movement of food caused by smooth muscle is called
a)
bolus transport
b)
indigestion
c)
absorption
d)
peristalsis
28.
In the stomach a bolus becomes
a)
chime
b)
liquid
c)
bile
d)
enzymes
29.
The main filtration organ of the digestive system is
a)
stomach
b)
gall bladder
c)
pancreas
d)
liver
30.
In the large intestine...
a)
chime is coverted to feces
b)
water and salts are absorbed
c)
E. coli synthesizes Vitamin K.
d)
all of these
31.
Which of the following is NOT a macronutrient?
a)
carbohydrate
b)
fat
c)
vitamins
d)
protein
32.
Which type of food is considered a complex carbohydrate?
a)
table sugar
b)
bread
c)
lactose
d)
fructose
33.
Bile emulsifies protein so it is digested easier.
a)
True
b)
False
34.
One function of the liver is to secrete bile into the gall bladder.
a)
True
b)
False
35.
Pancreatic enzymes are for protein digestion ONLY.
a)
True
b)
False
36.
Name this structure
a)
duodenum
b)
jejunum
c)
ilium
d)
cecum
37.
What macromolecule would be broken down by these structures?
a)
carbs
b)
lipids
c)
proteins
d)
nucleic acids
38.
What type of digestion is done in the pharynx?
a)
mechanical
b)
chemical
c)
both
d)
neither
39.
What enzyme is produced by this structure
a)
gastrin
b)
pepsin
c)
amylase
d)
bile
40.
What macromolecule is chemically digested here?
a)
carbs
b)
fats
c)
proteins
d)
all macromolecules
41.
Name this structure
a)
spleen
b)
gall bladder
c)
pancreas
d)
jejunum
42.
Name this structure
a)
ilium
b)
jejunum
c)
duodenum
d)
cecum
43.
Where is pepsinogen secreted?
a)
the mouth
b)
the stomach
c)
the pancreas
d)
the gall bladder
44.
What does not occur here?
a)
mechanical digestion
b)
chemical digestion
c)
absorption
d)
all occur here
45.
What best describes what occurs here
a)
nutrients are absorbed
b)
water and salts are reclaimed
c)
bacteria assist with vitamin absorbtion
d)
most mechanical digestion
46.
Mechanical digestion does NOT occur in the.....
a)
mouth
b)
stomach
c)
small intestine
d)
large intestine
47.
What macromolecule is broken down by this structure?
a)
carbs
b)
fats
c)
proteins
d)
nucleic acids
48.
This region of the colon would be called....
a)
ascending
b)
transverse
c)
descending
d)
sigmoid
49.
Substances in food that the body needs to function properly are:
a)
nutrition
b)
macromolecules
c)
calories
d)
nutrients
50.
Which of the following would be considered an essential nutrient?
a)
fat
b)
carbohydrates
c)
proteins
d)
fiber
e)
sugar
51.
Proteins break down to:
a)
fatty acids
b)
nucleic acids
c)
amino acids
d)
hydrochloric acids
52.
Which of the following would not provide carbohydrates to the body?
a)
bread
b)
fruit
c)
candy
d)
chicken
53.
The structure that breaks food into small particles by mastication and mixing with saliva is the
a. palate
b. mouth
c. esophagus
d. pharynx
a. palate
b. mouth
c. esophagus
d. pharynx
a)
a
b)
b
c)
c
d)
d
55.
The term gastroenterocolitis means inflammation of the
a. stomach, intestines, colon
b. intestines, liver, colon
c. colon, stomach, gallbladder
d. stomach, esophagus, colon
a. stomach, intestines, colon
b. intestines, liver, colon
c. colon, stomach, gallbladder
d. stomach, esophagus, colon
a)
a
b)
b
c)
c
d)
d
55.
The term gastroenterocolitis means inflammation of the
a. stomach, intestines, colon
b. intestines, liver, colon
c. colon, stomach, gallbladder
d. stomach, esophagus, colon
a. stomach, intestines, colon
b. intestines, liver, colon
c. colon, stomach, gallbladder
d. stomach, esophagus, colon
a)
a
b)
b
c)
c
d)
d
56.
A condition of stones in the common bile duct is called
a. cholelithiasis
b. cholecystitis
c. cholangioma
d. choledocholithiasis
a. cholelithiasis
b. cholecystitis
c. cholangioma
d. choledocholithiasis
a)
a
b)
b
c)
c
d)
d
57.
The term that means inflammation of the gallbladder is
a. cholelithiasis
b. diverticulitis
c. cholecystitis
d. esophagitis
a. cholelithiasis
b. diverticulitis
c. cholecystitis
d. esophagitis
a)
a
b)
b
c)
c
d)
d
58.
Inflammation of the colon with the formation of ulcers that produces bloody diarrhea is a condition called
a. intussusception
b. appendicitis
c. ulcerative colitis
d. irritable bowel syndrome
a. intussusception
b. appendicitis
c. ulcerative colitis
d. irritable bowel syndrome
a)
a
b)
b
c)
c
d)
d
59.
The abnormal backward flow of GI contents into the esophagus is called
a. Crohn disease
b. bulimia nervosa
c. intussusception
d. gastroesophageal reflux disease
a. Crohn disease
b. bulimia nervosa
c. intussusception
d. gastroesophageal reflux disease
a)
a
b)
b
c)
c
d)
d
60.
Small muscular pouch responsible for storing bile
a)
pancreas
b)
mechanical
c)
amylase
d)
gallbladder
61.
Number 7 in the diagram represents the:
a)
Small intestine
b)
Liver
c)
Large intestine
d)
Gall Bladder
62.
The chewing and grinding of food into smaller pieces is an example of...
a)
Mechanical Digestion
b)
Chemical Digestion
63.
Which digestive organ makes digestive juices to help the small intestine absorb nutrients?
a)
Liver
b)
Gallbladder
c)
Pancreas
d)
Esophagus
64.
Nutrients from digested food are absorbed in which digestive organ?
a)
Small Intestine
b)
Stomach
c)
Large Intestine
d)
Gallbladder
65.
Number 4 is pointing to the....
a)
Anus
b)
Rectum
c)
Large Intestine
d)
Small intestine
66.
Number 3 is pointing to the...
a)
Small intestine
b)
Rectum
c)
Large intestine
d)
Stomach
67.
What is the substance found in the stomach that allows for chemical digestion to take place?
a)
Gastric Juices
b)
Saliva
c)
Bile
68.
Which is NOT a function of the Digestive System?
a)
To rid the body of solid waste
b)
Absorb nutrients for energy & growth
c)
Break down nutrients from food
d)
Pump blood around the body
69.
Enzymes (chemicals) in your saliva help break down food while chewing. This is...
a)
Mechanical digestion
b)
Chemical digestion
70.
The passage of nutrients from the digestive tract into the blood stream:
a)
INGESTION
b)
DIGESTION
c)
ABSORPTION
d)
DEFECATION
71.
ONCE FOOD IS BREAKING DOWN MECHANICALLY, IT TURNS INTO:
a)
CHYME
b)
BOLUS
72.
ONCE FOOD IS BROKEN DOWN CHEMICALLY, IT IS TURNED INTO:
a)
BOLUS
b)
CHYME
73.
What is this organ?
a)
Liver
b)
Kidney
c)
Pancreas
d)
Stomach
74.
What is this organ (the one in red)?
a)
Pancreas
b)
Kidney
c)
Liver
d)
Stomach
75.
What is the process called where enzymes break down food molecules?
a)
Hydrolysis
b)
Hydrocarbon
c)
Hyperventilation
d)
Hydrochloric acid
76.
Where does absorption primarily take place?
a)
Stomach
b)
Small intestine
c)
Large intestine
d)
Gall bladder
77.
What is the final voluntary phase of digestion until defecation?
a)
Mechanical digestion
b)
Chemical digestion
c)
Peristalsis
d)
Swallowing
78.
What is the term given to a ball-like mixture of food and saliva that forms in the mouth?
a)
Peristalsis
b)
Mucus
c)
Epiglottis
d)
Bolus
79.
What is the acidic fluid that passes from the stomach following churning?
a)
Bolus
b)
Chyme
c)
Hydrochloric acid
d)
Enzymes
80.
What are these structures call that are found on the lining of the small intestine?
a)
Gallbladder
b)
Villi
c)
Sphincter
d)
Duodenum
81.
Which of the following are the #s of those organs considered "accessory"...not a part of the alimentary canal.
a)
2 and 3
b)
1 and 10
c)
8 and 10
d)
8 and 3
82.
# 8 is the ___ which has 2 openings...name them
a)
stomach, cardiac/pyloric
b)
stomach, cardiac/ileum
c)
esophagus, cardiac/pyloric
d)
esopahgus, cardiac/ileum
83.
C refers to this gland...
a)
sublingual
b)
submandibular
c)
parotid
84.
# 6 is the ___ and has 3 parts known as
a)
stomach, fundic-pyloric-body
b)
stomach, pyloric, cardiac, body
c)
small intestine, duodenum, cecum, jejunum, ileum
d)
small intestine, duodenum-jejenum-ileum
85.
#2 is the known as this portion of this organ
a)
transverse colon, large intestine
b)
ascending colon, large intestine
c)
decending colon, large intestine
d)
sigmoid colon, large intestine
86.
# 9 is the ___ and #10 is the ___
a)
9-rectum 10- colon
b)
9-colon 10-rectum
c)
9 rectum 10-anus
d)
9-anus 10-rectum
87.
#8 is the ___ and #9 is the ___ if the small intestine.
a)
8-duodenum 9-ileum
b)
8-ileum 9- jejunum
c)
8-jejunum 9-ileum
d)
8-ileum 9-duodenum
88.
#5 is the
a)
liver
b)
gallbladder
c)
pancreas
d)
duodenum
89.
F is the
a)
sublingual salivary gland
b)
submaxillar salivary gland
c)
submandibular salivary gland
d)
parotid salivary gland
90.
Select the correct order of the four steps of the digestive system (from start to finish):
a)
a. elimination, absorption, ingestions, digestion
b)
b. ingestion, absorption, digestion, elimination
c)
c. elimination, ingestion, absorption, digestion
d)
d. ingestion, digestion, absorption, elimination
91.
Which of the following is an example of mechanical digestion?
a)
a. saliva breaking down starches in the mouth
b)
b. chewing food
c)
c. bile breaking down lipids
d)
d. A and C
92.
Which of the following is an example of chemical digestion?
a)
a. chewing food
b)
b. enzymes breaking down food into small molecules the body can use
c)
c. saliva breaking down starches in the mouth
d)
d. B and C
93.
Which of the following describes the role of saliva in the digestive system:
a)
a. to moisten and lubricate chewed food so it can easily be swallowed
b)
b. to begin chemically digesting food with the enzyme amylase
c)
c. to absorb the proteins present in foods
d)
d. A and B
94.
the enzyme amylase serves to:
a)
a. break down the bonds of proteins
b)
b. break the chemical bonds in starches, forming sugars
c)
c. A and B
d)
d. process lactose present in dairy products
95.
Once food has been chewed, it then moves into the:
a)
a. stomach
b)
b. esophagus
c)
c. small intestine
d)
d. bolus
96.
another name for food that has been chewed and combined with saliva is:
a)
a. booger
b)
b. bolus
c)
c. chyme
d)
d. villi
97.
pepsin is:
a)
a. an enzyme found in the stomach
b)
b. an enzyme responsible for the break down of proteins into smaller polypeptide fragments
c)
c. a protein
d)
d. all of the above
98.
food moves down the esophagus and through the stomach through which of the following processes?
a)
a. the contractions of the muscles smooth muscles known as peristalsis
b)
b. gravitational forces
c)
c. bile softens food so it can fall into the stomach
d)
d. B and C
99.
Pepsin works best in which of the following environments:
a)
a. basic environment
a. basic environment
a. basic environment
b)
b. acidic environment
c)
c. neutral environment
d)
d. pepsin works despite what kind of environment it is in
100.
What kind of acid is produced by stomach glands to optimize chemical digestion?
a)
a. sulfuric acid
b)
b. hydrofluoric acid
c)
c. hydrochloric acid
d)
d. B and C
101.
Which of the following best describes the pH level inside the human stomach?
a)
a. 1
b)
b. 14
c)
c. 7
d)
d. the human stomach does not have pH
102.
What kinds of digestion occur in the stomach?
a)
a. only mechanical digestion
a. only mechanical digestion
b)
b. mechanical and chemical digestion
c)
c. only chemical digestion
d)
d. depends on what kind of food you eat
103.
What is the churned and chemically digested mixture that leaves the stomach to enter the small intestine called?
a)
a. bolus
b)
b. villi
c)
c. chyme
d)
d. gross
104.
Which of the following is not a function of the pancreas?
a)
a. to churn the food into a smooth paste
b)
b. to regulate blood sugar levels
c)
c. to produce enzymes that break down carbohydrates, proteins, lipids, and nucleic acids
d. to produce sodium bicarbonate to neutralize stomach acid
d. to produce sodium bicarbonate to neutralize stomach acid
105.
bile is produced in the _________, but stored in the __________.
a)
a. liver, pancreas
b)
b. gall bladder, pancreas
c)
c. liver, gall bladder
d)
d. stomach, gall bladder
106.
The purpose of bile is to:
a)
a. churn food into a smooth paste
b)
b. break down large, indigestible globs of fat into smaller, more processable globs
c)
c. break down large, complex proteins into their essential amino acid form
d)
d. B and C
107.
Lipase breaks down:
a)
a. complex carbohydrate
b)
b. lipids
c)
c. starches
d)
d. nucleic acids
108.
Which number is the esophagus
a)
1
b)
2
c)
3
d)
4
e)
5
109.
Which number is the stomach
a)
5
b)
4
c)
3
d)
2
e)
1
110.
Large Intestine
a)
Absorbs indigestible liquids to turn into waste
b)
We don't use the large intestine
c)
Connects the throat to the stomach
d)
Digests food we eat
111.
Small Intestine
a)
Absorbs indigestible food and turns it into waste
b)
Connects the throat and he stomach
c)
We don't use the small intestine
d)
Absorbs and digests food along with the stomach
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