A defensive reaction intended to neutralize, control or eliminate the offending agent and to prepare the site for repair is called

Appeared in: NHM UP Staff Nurse-2021 Shift-1st

Explanation

Inflammation is the body's fundamental protective response to injury, infection, or irritation.
Its primary purpose is to neutralize the harmful agent, remove dead or damaged cells, and initiate the process of tissue repair.
The question provides a direct and classic definition of the inflammatory process.
The process involves vascular changes (like vasodilation) and cellular responses (like migration of white blood cells) to the site of injury.

Option A: Infection is the invasion and multiplication of pathogens (e.g., bacteria, viruses) in the body. It is a common cause of inflammation, but it is not the response itself.
Option C: Induration is the hardening of soft tissue. It is a physical sign or a consequence of inflammation (often chronic), not the overall defensive process.
Option D: An insult, in a medical context, refers to the initial injury, trauma, or damaging event that triggers the body's response. It is the cause, not the reaction.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Body's defensive response to injury as background academic context rather than a clinical decision trigger.
Nurses must be able to accurately identify the signs of inflammation to monitor for infection, assess wound healing, and evaluate the effectiveness of treatments like anti-inflammatory medications.
While acute inflammation is a protective and necessary process for healing, chronic inflammation can be destructive and is a key factor in many diseases, including rheumatoid arthritis, heart disease, and diabetes.
What if? If a patient on an immunosuppressant drug develops a low-grade fever and malaise but lacks the classic signs of redness and swelling at an injury site, the nurse must have a high index of suspicion for infection. The suppressed immune system can mask the typical inflammatory response, making early detection more challenging and critical.

How to Approach the Question

This is a definition-based recall question, common in foundational science subjects.
First, analyze the keywords in the question stem: 'defensive reaction,' 'neutralize/control/eliminate agent,' and 'prepare for repair.'
Recognize that these phrases describe a protective, multi-step biological process.
Evaluate each option against this functional definition.
Eliminate 'Infection' as it is a cause, not a response.
Eliminate 'Induration' as it is a physical sign or outcome, not the process.

Concept Tested & Keywords

Concept Tested: Body's defensive response to injury
Stem keywords: defensive reaction, neutralize, control, eliminate, offending agent, repair
Lead-in keywords: is called

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Practise the full NHM UP Staff Nurse-2021 Shift-1st

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