INBDE (Integrated National Board Dental Examination) Practice Exam

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What is the lethal dose of fluoride for an adult?

5g/kg
10g/kg
15g/kg
20g/kg

The correct answer is: 5g/kg

The lethal dose of fluoride for an adult is typically considered to be around 5g per kg of body weight. This means that it would take 5 grams of fluoride per each kilogram of an individual's weight to potentially cause lethal harm. The other options (B, C, D) are all higher doses, meaning that they would require more fluoride per kg to potentially be lethal doses. It's important to note that these are all very high doses and should never be intentionally consumed or ingested. In general, it is recommended to stick to a fluoride intake of 4 mg or less per day, as high doses can lead to serious health concerns.