AIIMS Jodhpur SNO-2023: All of the following are local manifestations of inflammation EXCEPT:

AIIMS Jodhpur SNO-2023

Pathology & Genetics

Easy

Appeared in: AIIMS Jodhpur SNO-2023

Explanation

An increased White Blood Cell (WBC) count, known as leukocytosis, is a systemic manifestation of inflammation, affecting the entire body.
This response is triggered by the bone marrow releasing more WBCs into the bloodstream to combat inflammation or infection throughout the body, rather than being confined to the injury site.
While a normal WBC count is 5,000-10,000/mm3, it typically rises to 15,000-20,000/mm3 or higher during a systemic inflammatory response.
The other options—redness, warmth, and pain—are all classic cardinal signs that appear locally at the site of tissue injury.

Option A: Redness (rubor) is a primary cardinal sign of local inflammation, caused by increased blood flow (hyperemia) to the injured area.
Option C: Warmth (calor) is another cardinal sign of local inflammation, also resulting from increased blood flow to the site.
Option D: Pain (dolor) is a cardinal sign of local inflammation, caused by tissue swelling putting pressure on nerve endings and the release of chemical mediators.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Differentiating between local and systemic manifestations of inflammation as background academic context rather than a clinical decision trigger.
Nurses must accurately differentiate between local and systemic signs to assess the severity of an inflammatory response. Local signs may be managed with simple interventions like ice or elevation, whereas systemic signs suggest a more serious condition requiring broader treatment.
The presence of systemic signs like an elevated WBC count or fever is a critical finding that may indicate a spreading infection (e.g., cellulitis turning into sepsis). This requires prompt reporting and escalation of care.
What if? If a patient with a localized wound infection (redness, warmth) suddenly develops a fever and their lab results show a high WBC count, the nurse's priority shifts. The focus moves from local wound management to anticipating and implementing orders for a systemic infection, such as obtaining blood cultures and administering IV antibiotics.

How to Approach the Question

First, carefully read the question and identify the keyword 'EXCEPT'. This tells you to find the option that does not fit with the others.
The question asks for something that is NOT a 'local manifestation of inflammation'. This means three options will be local signs, and one will be a systemic sign.
Recall the five cardinal signs of local inflammation: redness, warmth, swelling, pain, and loss of function.
Evaluate each option: 'redness', 'warmth', and 'pain' are all on the list of cardinal local signs.
Consider the remaining option, 'increased WBC count'. This is a change in the blood, which circulates throughout the body, making it a systemic response, not a local one.
Therefore, 'increased WBC count' is the correct answer because it is the exception.

Concept Tested & Keywords

Concept Tested: Differentiating between local and systemic manifestations of inflammation.
Stem keywords: local manifestations, inflammation
Lead-in keywords: EXCEPT
Negative lead-in flag: The question uses the word 'EXCEPT', requiring identification of the option that does not belong to the group of local manifestations of inflammation.

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E6 Nursing Fundamentals Potter Perry 12e Part 2 p. 220-222