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Various phenol derivatives , tincture o...

Various phenol derivatives , tincture of iodine (2-3% `I_2` in water/alcohol) and some dyes like methylene blue are

A

Antiseptics

B

Disinfectant

C

Analgesics

D

Antipyretics

Text Solution

AI Generated Solution

The correct Answer is:
To answer the question regarding various phenol derivatives, tincture of iodine, and dyes like methylene blue, we need to classify these substances based on their uses in medicine and healthcare. Here’s a step-by-step breakdown: ### Step 1: Identify the substances mentioned The question mentions: - Various phenol derivatives - Tincture of iodine (2-3% `I_2` in water/alcohol) - Dyes like methylene blue ### Step 2: Classify their uses 1. **Phenol Derivatives**: - These compounds are known for their antiseptic properties. For example, phenol in low concentrations (around 0.2%) is used as an antiseptic, while higher concentrations (around 1%) are used as disinfectants. 2. **Tincture of Iodine**: - This is a solution of iodine in alcohol and is commonly used as an antiseptic for treating cuts and wounds. It helps to kill bacteria and prevent infections. 3. **Methylene Blue**: - This dye is also used for its antiseptic properties. It can be applied to wounds and is known for its ability to stain and kill bacteria. ### Step 3: Define the categories - **Antiseptics**: These are substances that prevent the growth of disease-causing microorganisms. They are applied to living tissues (e.g., skin) to reduce the possibility of infection. - **Disinfectants**: These are used on non-living surfaces to kill microorganisms. They are often used on surgical instruments and surfaces. - **Analgesics**: These are pain-relieving medications that do not necessarily have antiseptic properties. - **Antipyretics**: These are medications used to reduce fever. ### Step 4: Conclusion Based on the classifications: - Various phenol derivatives, tincture of iodine, and methylene blue are primarily **antiseptics**. They are used to treat cuts and wounds on living tissues to prevent infection. ### Final Answer The correct classification of the substances mentioned in the question is that they are **antiseptics**. ---
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