Which of the following are NOT pathological wastes?

DSSSB - 29 August 2019 (Shift-1)

Applied Microbiology & Infection control

Easy

Appeared in: DSSSB - 29 August 2019 (Shift-1)

Explanation

Soiled surgical dressings are categorized as 'Soiled Waste' under India's Bio-Medical Waste Management Rules, 2016.
This category includes items contaminated with blood and body fluids, such as dressings, cotton swabs, and plaster casts.
The key difference is that soiled waste consists of materials contaminated by biological fluids, whereas pathological waste is the biological tissue or organ itself.
Although both soiled waste and human anatomical waste are collected in yellow-colored bags, they are classified as distinct types of waste.

Option A: Human organs are a primary example of 'Human Anatomical Waste', which is a type of pathological waste.
Option B: Blood is a fluid connective tissue, and body fluids are also considered biological materials. While items soiled with blood are 'soiled waste', the fluid itself is managed as infectious biological material, often grouped with pathological waste.
Option C: Human tissues are explicitly defined as 'Human Anatomical Waste' under the Bio-Medical Waste Management Rules, making them a form of pathological waste.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Classification of Biomedical Waste as background academic context rather than a clinical decision trigger.
Proper segregation of biomedical waste at the point of generation is a critical nursing responsibility to prevent the spread of infection to healthcare workers, patients, and the community.
Incorrectly disposing of waste (e.g., putting sharps in a plastic bag) can lead to needlestick injuries, while mixing general waste with infectious waste unnecessarily increases the volume of hazardous waste and disposal costs.
What if? If a cytotoxic drug vial is discarded with soiled dressings in a yellow bag, it poses a significant chemical hazard to waste handlers. Cytotoxic waste has its own specific disposal protocol (returned to manufacturer or incinerated at high temperatures) and must be segregated.

How to Approach the Question

First, identify the negative keyword 'NOT' in the question stem. This means you are looking for the option that does not fit the category of 'pathological waste'.
Define 'pathological waste'. This term refers to human anatomical parts, tissues, and organs.
Evaluate Option A (Human organs). This fits the definition of pathological waste.
Evaluate Option C (Human tissues). This also fits the definition of pathological waste.
Evaluate Option B (Blood and other body fluids). Blood is a fluid tissue, so it is considered a biological/pathological material.
Evaluate Option D (Soiled surgical dressings). This is an item contaminated with biological material, but it is not the biological material itself. This is classified as 'soiled waste'.

Concept Tested & Keywords

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