Which statement regarding fluoridation is false?
A) Fluoridation is a safe method of controlling dental disease.
B) Most well water naturally contains fluoride.
C) Tooth decay incidence is reduced by 50 or more when drinking water is fluoridated.
D) Fluoridation of community water supplies is inexpensive, costing about 50 cents per person per year.
Q. 2All of the following are true regarding kwashiorkor EXCEPT:
a. children with kwashiorkor do not get enough protein in their diet.
b. it is characterized by swelling.
c. it is a type of malnutrition.
d. children with kwashiorkor are able to readily utilize protein when well fed.
Q. 3How does sugar promote tooth decay?
A) Bacteria ingest the sugar and produce acids that erode tooth enamel.
B) Sugar erodes the tooth enamel directly.
C) The saliva mixes with the sugar and the saliva erodes the tooth enamel.
D) Sugar does not promote tooth decay as previously thought.
E) Fungi ingest the sugar and produce acids that erode tooth enamel.
Q. 4All of the following are true regarding marasmus EXCEPT:
a. children with marasmus do not get enough calories and protein in their diet.
b. children with marasmus have a moon face.
c. it is also called protein-calorie malnutrition.
d. it is a type of malnutrition.
Q. 5Acid production by bacteria in the mouth increases within ____ minutes of exposure to sugar.
A) 1
B) 5
C) 15
D) 30
Q. 6All of the following mineral deficiencies are considered priority problems in developing countries EXCEPT:
a. magnesium deficiency.
b. iron deficiency.
c. zinc deficiency.
d. iodine deficiency.
Q. 7What prompted the development of artificial sweeteners?
A) The need for sugar substitutes for people with diabetes
B) The shortage of sugar during the two world wars
C) The connection between natural sugar and tooth decay
D) All of the above
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