NCIDQ IDFX 2025 – 400 Free Practice Questions to Pass the Exam

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What is the purpose of the bacterial resistance test?

Detects color fading in fabrics

Evaluates bacteriostatic activity

The purpose of the bacterial resistance test is to evaluate bacteriostatic activity in materials, particularly textiles. This test determines how well a fabric can inhibit the growth of bacteria. In environments where hygiene is paramount, such as hospitals or kitchens, textiles that possess bacteriostatic properties can help reduce the spread of harmful bacteria and infections.

While other tests assess different properties of fabrics—such as detecting discoloration from light exposure, evaluating fire resistance, or measuring water repellency—they do not specifically focus on bacterial growth inhibition. Evaluating bacteriostatic activity is especially important for ensuring that fabrics used in healthcare or high-contact areas maintain a safe and sanitary environment.

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Assesses fire safety in textiles

Measures water resistance of fabrics

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