Test - Digestive System Flashcards
1
Q
- What is the process by which nutrient molecules pass through the wall of the digestive system and into the blood?
A
C. Absorption
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2
Q
- What organ(s) are considered part of the alimentary canal?
A
E. None of these(NOT the pancreas, gallbladder, or liver)
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3
Q
- Why do we need to break apart the food we eat?
A
D. So our body can use the nutrients from the food
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4
Q
- What substance coats & protects the inside of the stomach?
A
C. Mucus
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5
Q
- In what part of the body does most chemical digestion take place?
A
D. Small Intestine
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6
Q
- Where does most chemical digestion take place?
A
D. Dueodenum
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7
Q
- What is the flap of tissue that seals off the windpipe, preventing food from entering it?
A
B. Epiglottis
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8
Q
- What substance must be present in the stomach for pepsin to work the best?
A
A. Hydrochloric acid
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9
Q
- What happens when chyme enters the small intestine?
A
E. None of these occur
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10
Q
- What is chyme?
A
B. It is what is called after it’s been digested in the stomach.
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11
Q
- What process involves muscle contractions that move food through the esophagus?
A
D. Peristalsis
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12
Q
- What are the tiny structures that allow nutrient molecules to pass through into the small intestine?
A
Villi
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13
Q
- What stores bile and releases it through a tube into the small intestine?
A
Gallbladder
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14
Q
- Water from the digestive system is absorbed into the small intestine.
TRUE OR FALSE?
A
True
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15
Q
- Most chemical digestion takes place in the large intestine.
TRUE OR FALSE?
A
False —> small intestine
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