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- 1. Multiple Choice
Proteins are broken down into _______.
Fatty acids
Glycerol
Glucose
Amino acids
- 2. Multiple Choice
Large carbohydrates are chemically digested into smaller _____ molecules
proteins
amino acids
glucose
enzymes
- 3. Multiple Choice
Digestion begins in the ______.
Mouth
Stomach
Small intestine
Gallbladder
- 4. Multiple Choice
Saliva contains a carbohydrate enzyme called ___.
Amylase
Pepsin
Lipase
Maltase
- 5. Multiple Choice
The structure that keeps food from entering the trachea is called the _____________.
Salivary gland
Epiglottis
Pharynx
Esophagus
- 6. Multiple Choice
The chewed up food moves from the mouth to the stomach through the ___________.
esophagus
pancreas
liver
small intestine
- 7. Multiple Choice
What organ is this?stomachlarge intestinesmall intestineesophagus - 8. Multiple Choice
The main function of the stomach is to:
Store food
Produce hydrochloric acid
Begin protein digestion
All the above
- 9. Multiple Choice
Which enzyme does the stomach produce?
amylase
lipase
maltase
pepsin
- 10. Multiple Choice
Which of the following kills bacteria in the human digestive system?
Hydrochloric acid
Mucus
Amylase
Pepsin
- 11. Multiple Choice
Which digestive organ is represented by the letter B?
Pancreas
Liver
Mouth
Small intestine
- 12. Multiple Choice
Which food is unsuitable for a person who cannot secrete enough bile?
butter
lean meat
spinach
rice
- 13. Multiple Choice
The majority of digestion occurs in the:
mouth
stomach
small intestine
large intestine
- 14. Multiple Choice
Where does protein digestion begin?
mouth
stomach
small intestine
large intestine
- 15. Multiple ChoiceThe diagram represents human digestive system. From which structure are glucose and amino acids normally absorbed into the circulatory system?F - Large IntestineH - LiverC - StomachE - Small Intestine
- 16. Multiple Choice
Absorption of nutrients happens through small finger-like structures called ________.
sphincters
enzymes
lipids
villi
- 17. Multiple ChoiceWhat organ is this?stomachsmall intestinelarge intestineesophagus
- 18. Multiple Choice
The diagram represents a portion of a human body. The principal function of structure X is to
produce amylase
produce pepsin
absorb water
absorb nutrients
- 19. Multiple Choice
Which letter collects and stores wastes until they are ready to be released from the body?
D
E
K
L
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