Test: GMAT Verbal

Gingivitis is a disease that occurs around the teeth and that can lead to periodontitis, a condition that causes tissue destruction in the gums and even tooth loss. Studies show that diets high in vitamin C can help to both prevent gingivitis and treat periodontitis.

1.

Which of the following is best supported by the statements above?

 

 

 

Periodontitis is a condition only contracted by those who have previously contracted gingivitis.

A periodontitis treatment plan that does not include vitamin C is less effective than a plan that does.

People whose diets are high in vitamin C are less likely to contract periodontitis than those whose diet are low in vitamin C.

Some people suffering from periodontitis do so without having contracted gingivitis.

Increasing the amount of vitamin C in one’s diet has helped some periodontitis patients reduce the severity of that condition.

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