In which disease are Koplik's spots seen?

Raj. CHO -2020

Child Health Nursing (Pediatrics)

Easy

Appeared in: Raj. CHO -2020

Explanation

Koplik's spots are the pathognomonic enanthem (internal rash) of measles (rubeola).
They appear as small, bluish-white spots on an erythematous (red) base on the buccal mucosa, typically opposite the molars.
These spots are a crucial diagnostic clue, appearing 1-2 days before the onset of the characteristic maculopapular skin rash.
Their presence allows for an early diagnosis and the prompt implementation of infection control measures.

Option A: Chickenpox (varicella) is characterized by a vesicular rash, often described as 'dewdrops on a rose petal,' which appears in successive crops over the body. It does not cause Koplik's spots.
Option B: Mumps is characterized by painful swelling of one or both parotid (salivary) glands, leading to 'chipmunk cheeks.' It does not present with oral spots or a body rash.
Option D: Polio (poliomyelitis) is a viral disease that affects the nervous system. Its most severe manifestation is acute flaccid paralysis. It does not have any characteristic rash or oral lesions like Koplik's spots.

Visual 1: Photograph - A close-up image of the inside of a cheek showing classic Koplik's spots, highlighting the small white lesions on a red background. This helps learners visualize the pathognomonic sign.
Visual 2: Diagram - A timeline of the clinical course of measles, illustrating that Koplik's spots appear in the prodromal phase, before the peak of fever and the onset of the maculopapular rash.

Clinical Relevance

Nursing practice connection: Knowing Pathognomonic signs of common childhood infectious diseases helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Early identification of Koplik's spots is critical for prompt diagnosis and implementation of airborne precautions to prevent measles outbreaks, as the virus is highly contagious.
Nurses play a key role in administering WHO-recommended Vitamin A supplements to children with measles, a proven intervention that significantly reduces complications and mortality.
Measles is a notifiable disease. A suspected case must be reported to public health authorities immediately to initiate contact tracing and control measures.

How to Approach the Question

First, identify the key term in the question stem: 'Koplik's spots'.
Recognize this as a factual recall question that tests your knowledge of pathognomonic (uniquely characteristic) signs of diseases.
Access your knowledge base to link the specific sign to its corresponding disease. Recall that Koplik's spots are a classic hallmark of measles.
Confirm your answer by mentally reviewing the key signs of the other options. Chickenpox has vesicles, Mumps has parotid swelling, and Polio can cause paralysis. None of these are associated with Koplik's spots.
Select 'Measles' as the definitive correct answer based on this direct association.

Concept Tested & Keywords

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