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The Digestive Process
Test Description: Basic digestion questions
Instructions: Answer all questions to get your test result.
1) Where does digestion start?
A
large intestine
B
the mouth
C
The stomach
D
small intestine
2) What action in the mouth is chemical digestion?
A
enzymes in the saliva breaks down starches
B
saliva moistening food
C
absorption of nutrients
D
Teeth chewing food
3) Which is true about digestion in the stomach?
A
There are only physical changes occurring in the stomach.
B
There are only chemical changes occurring in the stomach.
C
The muscles churning the food is a chemical change. The acid/enzymes is a physical change.
D
The muscles churning the food is a physical change. The acid/enzymes is a chemical change.
4) Where does most of the nutrient absorption happen in the body?
A
Small Intestine
B
Stomach
C
Mouth
D
Large Intestine
5) What happens in the large intestine?
A
Excess water is absorbed
B
enzymes break down food into nutrients.
C
urine is formed
D
Food is churned into smaller pieces.
6) Which part of the digestive tract only has mechanical digestion occurring?
A
large intestine
B
small intestine
C
mouth
D
stomach
7) What is the name for the muscle contractions that pushes food through the digestive system?
A
villi
B
capillary action
C
enzyme action
D
peristalsis
8) Which is NOT an example of a chemical change?
A
crushing a cracker
B
mixing baking soda and vinegar to create carbon dioxide
C
burning logs in a fire
D
baking a cake
9) How does the liver help the process of digestion?
A
It is not part of the digestive system
B
It squeezes the food into smaller pieces.
C
It creates bile which breaks down fats
D
It pushes the food through the digestive system
10) Which is not a function of the digestive system?
A
circulate blood
B
absorb nutrients
C
eliminate wastes
D
break down food
11) What is the energy transformation during digestion?
A
chemical to thermal
B
radiant to thermal
C
thermal to chemical
D
thermal to radiant
*select an answer for all questions
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