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45 Cards in this Set
- Front
- Back
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The digestive system includes the _____ and ____.
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alimentary canal & several accessory organs.
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Digestion involves two basic of actions on food ____ & ____.
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Mechanical & chemicals
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Hydrolysis of a protein yields ____.
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amino acids
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Hydrolysis of a fat yields ____.
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fatty acids and glycerol
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Hydrolysis of carbohydrate yields ____.
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monosaccharides
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True or False
Hydrolysis reactions are not dependent on enzymes. |
False
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Approximately __% of flavor is derived from odors.
a. 50 b. 75 c. 100 d. None of the above |
b. 75
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Taste buds consist of ____ cells.
a. 30 - 100 b. 10 - 30 c. 5 - 10 d. none of the above |
a. 30 - 100
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True or False
Taste disorders are the result of decreasing taste bud function. |
False - it is more often the result of loss of smell
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____ means loss of smell.
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Anosmia, and causual relationships include AGING, upper respiratory infections, nasal or sinus problems, neurological disorders, endocrine abnormalities, head trauma, and the common cold
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____ is the persistant distortion of taste, including sweet, sour, bitter, salty, metallic tastes.
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Dysguesia
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True or False
Dysgeusia can be caused by breathing through the mouth |
True
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What is another word for salivary amylase?
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Ptyalin
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Which of the following does saliva NOT do.
a. aid in remineralization b. provide antibacterial action c. removes debris from teeth d. all of the above |
d. all of the above
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_____ can occur when dentures fit poorly.
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Food asphyxiation
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The digestive system includes the _____ and ____.
|
alimentary canal & several accessory organs.
|
|
|
Digestion involves two basic of actions on food ____ & ____.
|
Mechanical & chemicals
|
|
|
Hydrolysis of a protein yields ____.
|
amino acids
|
|
|
Hydrolysis of a fat yields ____.
|
fatty acids and glycerol
|
|
|
Hydrolysis of carbohydrate yields ____.
|
monosaccharides
|
|
|
True or False
Hydrolysis reactions are not dependent on enzymes. |
False
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Approximately __% of flavor is derived from odors.
a. 50 b. 75 c. 100 d. None of the above |
b. 75
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Taste buds consist of ____ cells.
a. 30 - 100 b. 10 - 30 c. 5 - 10 d. none of the above |
a. 30 - 100
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True or False
Taste disorders are the result of decreasing tast bud function. |
False - it is more often the result of loss of smell
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____ means loss of smell.
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Anosmia, and causual relationships include AGING, upper respiratory infections, nasal or sinus problems, neurological disorders, endocrine abnormalities, head trauma, and the common cold
|
|
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____ is the persistant distortion of taste, including sweet, sour, bitter, salty, metallic tastes.
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Dysguesia
|
|
|
True or False
Dysgeusia can be caused by breathing through the mouth |
True
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What is another word for salivary amylase?
|
Ptyalin
|
|
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Which of the following does saliva NOT do.
a. aid in remineralization b. provide antibacterial action c. removes debris from teeth d. it does all of the above |
d. it does all of the above
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_____ can occur when dentures fit poorly.
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Food asphyxiation
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How is food transported into your stomach from your esophagus?
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By peristalsis and gravity.
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Bolus + Gastric secretion = ____.
a. Chum b. Chyme c. Chymus d. Chunky |
b. Chyme
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Gastric secretions include:
1. 2. 3. 4. |
1. Mucus
2. HCl 3. Enzymes 4. Intrinsic Factor |
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What are the two major enzymes found in gastric juice?
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Pepsin & Lipase
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Intrinsic factor is necessary for the absorption of vitamin ____.
a. B12 b. B6 c. B4 d. B2 |
a. B12
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Nutrients that can be absorbed in the stomach include
1. 2. 3. |
1. Some water
2. Alcohol 3. Few water-soluble substances (amino acids and glucose) |
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_____ hydrolyze carbohydrates, proteins, and fats.
a. Lipase b. Pepsin c. Pancreatic Enzymes d. Bile |
c. Pancreatic enzymes
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Most of the energy providing nutrients are hydrolyzed and absorbed in the ____.
a. small intestine b. large intestine c. duodenum d. jejunum |
a. small intestine
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When proteolytic enzymes are stored in the pancreas they are _____.
a. acidic b. inactive c. active d. basic |
b. inactive
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Bile is secreted in the ____ and stored in the ___.
a. liver, gallbladder b. pancreas, liver c. pancreas, gallbladder d. adrenal gland, liver |
a. liver, gallbladder
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Bile salts function to _____.
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Emulsify fats.
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True or False
The large intestine has little or no digestive function. |
True
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Only about ____ of ingested foods and digestive secretions arrive in the large intestine.
a. 1/10 b. 1/15 c. 1/20 d. 1/25 |
c. 1/20
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Which of the following CANNOT be synthesized by the microflora in the colon?
a. Riboflavin b. Biotin c. Vitamin K d. Vitamin A e. Vitamin B12 f. Thiamin g. Vitamin B6 h. two of the above i. three of the above |
h. Two of the above - vitamin A and vitamin B6
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Vitamin K is important for adequate _____.
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blood coagulation
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