Download Digestion Quest - Guido de Bres Christian High School

Bio 11U: Digestion Quiz
Mr. Dykstra
Name:___________________
1.
The main function of the esophagus is to
A.
act on proteins.
B.
act on carbohydrates.
C.
act on fats.
D.
transport food.
E.
Both a and d are correct.
2.
Villi
A.
B.
C.
D.
/35
are rhythmical contractions of the gut.
are fingerlike projections in the small intestine.
increase the absorbing surface of the small intestine.
Both b and c are true.
3.
Which one of the following represents the correct sequence of structures that food
contacts as it moves along the digestive system ?
A.
Mouth, small intestine, stomach, large intestine, anus.
B.
Mouth, small intestine, large intestine, esophagus, anus.
C.
Mouth, esophagus, stomach, small intestine, large intestine.
D.
Esophagus, pharynx, stomach, large intestine, small intestine.
4.
A ring of muscle that controls what enters and leaves different parts of the digestive
system is a/an
A.
sphincter
B.
epiglottis
C.
appendix
D.
gall bladder
5.
The bulk of the chemical digestion occurs in the:
A.
liver
B.
duodenum.
C.
large intestine.
D.
mouth.
E.
stomach
6.
Surgical removal of the gallbladder would immediately affect the body's ability to digest:
A.
fats.
B.
disaccharides.
C.
starch.
D.
proteins.
E.
none of these.
7.
A function of the pancreas is the secretion of:
A.
hydrochloric acid for enzyme activation.
B.
bile for the emulsification of fats.
C.
bicarbonate ions for the neutralization of hydrochloric acid.
D.
gastrin for activation of digestive juices.
8.
Which category of food is digested in the mouth?
A.
nucleic acids
B.
fats
C.
vitamins
D.
proteins
E.
carbohydrates
9.
Dr. Less Gutts cut out his patient's large intestine by mistake and then stitched the
remaining parts of the digestive tract together. The important thing that his patient will
need to do is
A.
Eat larger meals
B.
Eat less proteins
C.
Drink more fluids
D.
Eat less greasy foods
E.
Make fast funeral arrangements
10.
Which hormone is responsible for the release of bile from the gallbladder?
A.
secretin
B.
gastrin
C.
enterogastrone
D.
cholecystokinin (CCK)
E.
pancreozymin
11.
Glucose is stored in the liver in the form of:
A.
glycogen.
B.
starch.
C.
insulin.
D.
glucagon.
E.
fat.
12.
The presence of undigested food (particularly protein) in the stomach stimulates the
secretion of
A.
secretin directly into the small intestine
B.
cholecystokinin into the urine and then out the body
C.
enterogasterone into the liver and into the duodenum
D.
secretin into the blood and then into the pancreas
E.
gastrin into the blood and then back to the stomach glands
13.
Gallstones are frequently composed of:
A.
mineral deposits
B.
build up of cholesterol
C.
excess calcium
D.
precipitated bile salts
14.
Which of the following organs is the site where nutrients enter the blood stream?
A.
liver
B.
small intestines
C.
stomach
D.
pancreas
E.
colon
15.
The lymph vessels of the small intestine are called:
A.
lacteals
B.
nodes
C.
mucosa cells
D.
villi
16.
Where is bile made?
A.
in the gall bladder
B.
in the liver
C.
in the intestinal gland cells
D.
in the pancreas
E.
in the stomach
17.
Which of the following organs is the site where vitamin producing bacteria feed on
undigested food:
A.
liver
B.
small intestines
C.
large intestine
D.
stomach
E.
gall bladder
18.
Which one of the following chemical conditions produces the active enzyme pepsin?
A.
A neutral environment.
B.
A high pH environment.
C.
An acidic environment.
D.
An alkaline environment.
19.
Which of the following enzymes is correctly matched with its site of production?
A.
Pepsin-liver
B.
Lipase-stomach
C.
Amylase-pancreas
D.
Trypsin-salivary glands
20.
Which molecule would work better in the presence of bile?
A.
Lipase
B.
Pepsin
C.
Lactase
D.
Pepsinogen
E.
Salivary amylase
21.
Which of the following enzymes is incorrectly matched to its substrate:
A.
pepsin/protein
B.
trypsin/nucleic acid
C.
amylase/starch
D.
lipase/fat
E.
maltase/maltose
22.
Stomach acid is neutralized in the small intestine as a result of the secretion of an alkaline
fluid into the tract by the:
A.
gallbladder.
B.
liver.
C.
pancreas.
D.
duodenum.
23.
Digestion is
A.
the chemical and mechanical breakdown of food.
B.
the absorption of protein molecules.
C.
the conversation of glucose to glycogen.
D.
Both a and c are correct.
24.
Reverse peristalsis is more commonly called:
A.
digestion.
B.
vomiting.
C.
breathing.
D.
hunger pangs.
25.
Which of the following causes emulsification or physical beakup of fat but does not cause
chemical breakdown ?
A.
HCl.
B.
Bile.
C.
Lipase.
D.
Gastrin.
Short Answers
1. The crown of a tooth is made of : (1)
2. The process of how the body regulates and maintains its internal environment is called:(1)
3. Label the parts indicated on the diagram below. (4)