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Which one of the following statements is incorrect?

1. Certain disinfectants may also be applied as antiseptics.
2. Sulfadiazine is a synthetic antibacterial agent.
3. Aspirin acts as both an analgesic and an antipyretic.
4. Polystyrene is used in the manufacture of non-stick cookware.

Correct answer: Polystyrene is used in the manufacture of non-stick cookware.

Solution

The incorrect statement is that polystyrene is used for non-stick cookware - that material is Teflon (PTFE). Sulfadiazine is indeed a synthetic antibacterial sulfa drug, aspirin is both analgesic and antipyretic, and some disinfectants can be used as antiseptics at lower concentration.

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