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?

 

 

 

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

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

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

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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