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Post-Test
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1
Your body needs fats to
A)construct cell membranes.
B)insulate nervous tissue.
C)provide energy.
D)All of the above
2
Enzymes that break up carbohydrates into disaccharides are called
A)proteases.
B)amylases.
C)lipases.
D)buffers.
3
Digestion takes place in each of the following organs except the
A)mouth.
B)stomach.
C)small intestine.
D)large intestine.
4
What connects the pharynx to the stomach?
A)Trachea
B)Epiglottis
C)Esophagus
D)Pyloric sphincter
5
The denaturation of proteins in preparation for digestion takes place in the
A)mouth.
B)stomach.
C)small intestine.
D)large intestine.
6
The primary digestive organ of the digestive system is the
A)mouth.
B)stomach.
C)liver.
D)small intestine.
7
All of the following are absorbed into the blood from the stomach except
A)water.
B)aspirin.
C)alcohol.
D)proteins.
8
Proteins are broken into long fragments in the stomach by the action of
A)HCl.
B)pepsinogen.
C)pepsin.
D)gastrin.
9
The pancreas is responsible for the production of
A)digestive enzymes.
B)bicarbonate.
C)insulin.
D)All of the above
10
The liver produces bile salts that aid in the digestion of
A)fats.
B)proteins.
C)carbohydrates.
D)sugars.
11
Sodium and vitamin K are reabsorbed through the walls of the
A)stomach.
B)duodenum.
C)ileum.
D)large intestine.
12
Most animals digest their food intracellularly.
A)True
B)False
13
All vertebrates tear and grind ingested food by the action of their teeth.
A)True
B)False
14
Some animals cannot remain healthy if they are prevented from eating their feces.
A)True
B)False
15
Humans are unable to synthesize 8 amino acids making them essential amino acids as they must be obtained from food.
A)True
B)False
16
Individuals with a Body Mass Index value of _________ or over are considered overweight.
A)15
B)20
C)25
D)30
E)50
17
The shortest portion of the small intestine is the
A)duodenum.
B)ileum.
C)cecum.
D)colon.
E)villus.
18
A consequence of a diet lacking vitamin C is
A)rickets.
B)beriberi.
C)scurvy.
D)severe bleeding.
19
Trace elements are
A)only necessary for plant growth.
B)obtained from the plants that we consume in our diet.
C)obtained from the animal products in our diet.
D)Both 1 and 2
E)Both 2 and 3
20
Over 90% of ulcers are stomach ulcers.
A)True
B)False





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