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45 Cards in this Set

  • Front
  • Back
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
Approximately __% of flavor is derived from odors.

a. 50
b. 75
c. 100
d. None of the above
b. 75
Taste buds consist of ____ cells.

a. 30 - 100
b. 10 - 30
c. 5 - 10
d. none of the above
a. 30 - 100
True or False

Taste disorders are the result of decreasing taste bud function.
False - it is more often the result of loss of smell
____ means loss of smell.
Anosmia, and causual relationships include AGING, upper respiratory infections, nasal or sinus problems, neurological disorders, endocrine abnormalities, head trauma, and the common cold
____ is the persistant distortion of taste, including sweet, sour, bitter, salty, metallic tastes.
Dysguesia
True or False

Dysgeusia can be caused by breathing through the mouth
True
What is another word for salivary amylase?
Ptyalin
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
_____ can occur when dentures fit poorly.
Food asphyxiation
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
Approximately __% of flavor is derived from odors.

a. 50
b. 75
c. 100
d. None of the above
b. 75
Taste buds consist of ____ cells.

a. 30 - 100
b. 10 - 30
c. 5 - 10
d. none of the above
a. 30 - 100
True or False

Taste disorders are the result of decreasing tast bud function.
False - it is more often the result of loss of smell
____ means loss of smell.
Anosmia, and causual relationships include AGING, upper respiratory infections, nasal or sinus problems, neurological disorders, endocrine abnormalities, head trauma, and the common cold
____ is the persistant distortion of taste, including sweet, sour, bitter, salty, metallic tastes.
Dysguesia
True or False

Dysgeusia can be caused by breathing through the mouth
True
What is another word for salivary amylase?
Ptyalin
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
_____ can occur when dentures fit poorly.
Food asphyxiation
How is food transported into your stomach from your esophagus?
By peristalsis and gravity.
Bolus + Gastric secretion = ____.

a. Chum
b. Chyme
c. Chymus
d. Chunky
b. Chyme
Gastric secretions include:
1.
2.
3.
4.
1. Mucus
2. HCl
3. Enzymes
4. Intrinsic Factor
What are the two major enzymes found in gastric juice?
Pepsin & Lipase
Intrinsic factor is necessary for the absorption of vitamin ____.

a. B12
b. B6
c. B4
d. B2
a. B12
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)
_____ hydrolyze carbohydrates, proteins, and fats.

a. Lipase
b. Pepsin
c. Pancreatic Enzymes
d. Bile
c. Pancreatic enzymes
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
When proteolytic enzymes are stored in the pancreas they are _____.

a. acidic
b. inactive
c. active
d. basic
b. inactive
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
Bile salts function to _____.
Emulsify fats.
True or False

The large intestine has little or no digestive function.
True
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
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
Vitamin K is important for adequate _____.
blood coagulation