After dog bite, wound should be cleaned with

UPPSC 2017

Nursing Foundation

Easy

Appeared in: UPPSC 2017

Explanation

The most critical first-aid measure for a dog bite is immediate and thorough washing of the wound with soap and water for 10-15 minutes.
This action provides mechanical flushing, which physically removes saliva, bacteria, and potential rabies virus from the wound site.
Soap acts as a surfactant, which helps to disrupt and inactivate the lipid envelope of the rabies virus, adding a chemical benefit to the physical cleaning.
Proper wound care is essential and can significantly decrease the risk of rabies virus infection, as stated in Harrison's Principles of Internal Medicine.

Option A: Hydrogen peroxide is cytotoxic, meaning it can damage healthy tissue surrounding the wound, which can impair and delay the natural healing process. It is not recommended for initial irrigation of bite wounds.
Option B: Tincture iodine is an effective antiseptic that should be applied, but only after the wound has been thoroughly washed with soap and water. It is a secondary step, not the primary cleaning method.
Option D: Chlorhexidine is a potent antiseptic, but the immediate priority is the mechanical removal of contaminants through high-volume irrigation. Its application is a secondary step after washing.

Clinical Relevance

Nursing practice connection: Safe nursing care depends on performing First aid and wound management for animal bites, specifically dog bites in the correct sequence, documenting the action clearly, and monitoring for the expected response.
Nurses are pivotal in educating patients and the community about the critical importance of immediate wound washing after any animal bite to prevent rabies, a nearly 100% fatal disease.
In a clinical setting, the nurse's role includes assessing the wound, ensuring it has been properly cleaned, administering tetanus prophylaxis, and initiating the rabies Post-Exposure Prophylaxis (PEP) protocol as per national guidelines.
What if? If the bite is a deep puncture wound from a cat instead of a dog, the risk of infection is even higher. While initial washing is still critical, these wounds are less likely to bleed freely and can trap bacteria deep inside. Medical evaluation is urgent, and prophylactic antibiotics are more likely to be prescribed.

How to Approach the Question

First, identify the core of the question: what is the correct initial cleaning method for a dog bite wound?
Recall the primary goal of first aid for animal bites, which is the prevention of rabies and bacterial infection.
Understand that mechanical removal of the virus and saliva from the wound is the most effective and prioritized initial step.
Evaluate the options based on this principle. Soap and water is the best method for providing thorough mechanical flushing and irrigation.
Differentiate this primary action from secondary steps, such as applying a chemical antiseptic (iodine, chlorhexidine), which are done after washing.
Eliminate options that are less effective or potentially harmful, like hydrogen peroxide, which is cytotoxic.

Concept Tested & Keywords

Concept Tested: First aid and wound management for animal bites, specifically dog bites.
Stem keywords: dog bite, wound, cleaned
Lead-in keywords: should be

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