Which of the following is the most appropriate method for disposing of microbiologically contaminated sharps in a clinical laboratory setting?

Appeared in: RRB Nsg. Superintendent-2026 (Shift -3rd)

Explanation

The correct method addresses the dual risk of sharps: physical injury and biological contamination.
Placing sharps in a puncture-resistant container is the mandatory first step to prevent physical injuries like cuts and needlesticks.
The container must be labeled as a biohazard because the sharps are contaminated with microorganisms.
Incineration is a highly effective final disposal method that destroys the pathogens and the sharp object itself, rendering the waste safe.

Option B: This method is unsafe because it only addresses the biological hazard. While autoclaving sterilizes the sharps, the physical object remains sharp, posing a severe risk of injury to sanitation workers if disposed of in regular trash.
Option C: Similar to autoclaving, chemical disinfection neutralizes the infectious agents but does not eliminate the physical hazard of the sharp object. Disposing of it in general waste is prohibited.
Option D: This is the most dangerous and incorrect option. It violates all biomedical waste management protocols and poses a dual threat of spreading infection and causing physical injury.

Visual 1: Infographic: Color-coded bins for biomedical waste management, clearly showing the white/translucent puncture-proof container for sharps.
Visual 2: Flowchart: A step-by-step visual guide for safe sharps disposal, from the point of use to the final collection point for treatment.

Clinical Relevance

Nursing practice connection: Knowing Biomedical Waste Management: Sharps Disposal helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Proper sharps disposal is a critical nursing responsibility to prevent needlestick injuries, which can transmit bloodborne pathogens like HIV, Hepatitis B, and Hepatitis C.
Adherence to biomedical waste protocols protects not only the nurse but also colleagues, housekeeping staff, waste handlers, and the community from infectious and physical hazards.
What if? If a sharp object (like a needle) is unused and not contaminated, should it still go in the sharps container? Yes. All sharps, contaminated or not, must be placed in a puncture-resistant container to prevent physical injury. The primary rule for sharps is to contain the physical hazard.

How to Approach the Question

First, identify the key hazards in the question stem: 'sharps' (a physical, puncture hazard) and 'microbiologically contaminated' (a biological, infectious hazard).
Evaluate each option based on how it addresses BOTH hazards.
Option A suggests a 'puncture-resistant container' (addresses physical hazard) and 'incineration' (addresses biological hazard). This is a complete solution.
Option B addresses the biological hazard ('autoclaving') but fails on the physical hazard ('disposing in regular trash').
Option C addresses the biological hazard ('chemical disinfection') but fails on the physical hazard ('general disposal').
Option D fails to address either hazard safely.

Concept Tested & Keywords

Concept Tested: Biomedical Waste Management: Sharps Disposal
Stem keywords: microbiologically contaminated sharps, disposal method, clinical laboratory
Lead-in keywords: most appropriate
Negative lead-in flag: false

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Practise the full RRB Nsg. Superintendent-2026 (Shift -3rd)

Attempt every question from this paper in a timed mock, then review the full solution for each one.