Question

Laborer's working with phosphorus suffer from a disease in which bones decay. It is known as :

• A. arthritis.
• B. phossy jaw.
• C. rickets.
• D. cancer.

Answer 1

The correct option is B phossy jaw.

Phossy jaw, formally phosphorus necrosis of the jaw, is an occupational disease of those who work with white phosphorus, also known as yellow phosphorus, without proper safeguards.

"Phossy jaw" began with toothache and swelling of the gums and jaw. The lower jaw was more commonly affected but sometime the upper jaw also was attacked.

Hence, option B is correct.