NVQ Practice Test & Exam Prep | United Kingdom

Which statement about Methyl Methacrylate is NOT true?

It is commonly found in dental formulations. Its molecules are small enough to penetrate human skin. It can cause respiratory problems. It is safe to touch the skin with no precautions.

Correct Answer:

It is safe to touch the skin with no precautions.

Explanation:

Methyl methacrylate is a reactive monomer used in dental materials and in some nail formulations, and it is known to be a skin sensitizer and irritant. Its small molecular size allows it to penetrate the skin easily, which increases the risk of dermatitis and allergic reactions upon contact. It can also irritate the respiratory tract if inhaled or inhalation exposure occurs. Because of these hazards, it is not safe to touch the skin without precautions; appropriate protective measures such as gloves and good ventilation are essential. The statements that it is commonly found in dental formulations, that its molecules can penetrate skin, and that it can cause respiratory problems are true, while the claim that it is safe to touch the skin with no precautions is not true.

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