NHM UP Staff Nurse-2023 shift 1st
Applied Microbiology & Infection control
Easy

In barrier nursing, the management of blood spills should be done using ______.

Appeared in: NHM UP Staff Nurse-2023 shift 1st

Explanation

  • 1% sodium hypochlorite is the standard and recommended disinfectant for blood and body fluid spills in healthcare settings.
  • It is a broad-spectrum disinfectant effective against bacteria, viruses (including HIV, HBV, HCV), and fungi.
  • This concentration provides sufficient strength (approximately 10,000 ppm of available chlorine) to inactivate pathogens present in blood.
  • It is inexpensive, fast-acting, and readily available, making it a practical choice for infection control.

Why Other Options Were Wrong

  • Option A: While calcium hypochlorite is a halogen-based disinfectant, sodium hypochlorite is the more commonly used agent in liquid form (bleach) for spill management in hospitals.
  • Option B: Nitrogen hypochlorite is not a standard or recognized chemical disinfectant in healthcare protocols. This option is chemically incorrect.
  • Option C: A 50% concentration of calcium hypochlorite is excessively high, corrosive, and dangerous for routine use. It would damage surfaces and pose a significant health risk to the user.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: Knowing Infection control and management of biohazardous spills helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
  • Correct management of blood spills is a fundamental nursing responsibility to prevent nosocomial (hospital-acquired) infections and protect both patients and healthcare workers.
  • Failure to use the correct disinfectant and procedure can lead to the transmission of serious blood-borne pathogens like HIV, Hepatitis B, and Hepatitis C.
  • Nurses must always wear appropriate PPE (gloves, apron, mask, eye protection) when handling any blood or body fluid spill, regardless of its size.
How to Approach the Question
  • First, identify the core of the question, which is asking for the correct disinfectant for a 'blood spill' in a 'barrier nursing' context.
  • Recall standard infection control protocols. Blood is a biohazard requiring a potent disinfectant.
  • Evaluate each option based on two criteria: the chemical agent and its concentration.
  • Eliminate '50% nitrogen hypochlorite' as it is not a standard medical disinfectant.
  • Eliminate '50% calcium hypochlorite' because a 50% concentration is dangerously high for any routine disinfection.
  • Choose between '1% calcium hypochlorite' and '1% sodium hypochlorite'. Both are hypochlorites, but sodium hypochlorite (liquid bleach) is the most common standard for surface and spill disinfection in hospitals.
Concept Tested & Keywords
  • Concept Tested: Infection control and management of biohazardous spills.
  • Stem keywords: barrier nursing, management, blood spills
  • Lead-in keywords: should be done using

Question ID

Q9epaaJpiNfoUiye8N7tjr

Reference Book

E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart A (pp 26-201 of 604) pp. 129-131, 128-130

Practise the full NHM UP Staff Nurse-2023 shift 1st

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