Which one of the following antibiotics causes permanent discoloration of teeth in young children if it is misused?
Correct answer: D. Tetracycline
- A. Penicillin
- B. Streptomycin
- C. Sulfonamide
- D. Tetracycline
Explanation
Tetracycline is a short-acting antibiotic that inhibits bacterial growth by inhibiting translation. Intrinsic, permanent tooth discoloration is well known to occur with the use of tetracycline antibiotics if taken during tooth development (ie, the last half of pregnancy, infancy, and in childhood up to eight years of age). Hence, option D is correct.
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Biotechnology applies genetic engineering, cell culture and recombinant DNA methods to medicine and public health. The material includes production of insulin, vaccines and antibiotics, diagnostic techniques, gene therapy, genetically modified organisms and the ethical concerns surrounding manipulation of human genes.
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