Identity the following pattern of rashes in the diagram?

Appeared in: NORCET 3 - 2022 (Shift-2)

Explanation

The image shows a polymorphic rash, meaning lesions in various stages—macules, papules, and vesicles—are present simultaneously. This is a classic sign of chickenpox.
The rash has a centripetal distribution, being most concentrated on the trunk (back), which is characteristic of varicella.
The individual lesions, particularly the vesicles on a red base, match the classic description of a "dew drop on a rose petal," which is pathognomonic for chickenpox.

Option A: Measles presents with a maculopapular (red, blotchy, non-vesicular) rash that starts at the hairline and spreads downwards (cephalocaudal). The image clearly shows vesicles.
Option B: Mumps is primarily characterized by parotitis (swelling of the salivary glands). A rash is not a typical feature of mumps.
Option C: The dengue rash is typically maculopapular or petechial, often described as "islands of white in a sea of red." It does not form vesicles like those seen in the image.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Visual identification of common childhood exanthematous diseases as background academic context rather than a clinical decision trigger.
A nurse's ability to quickly identify the chickenpox rash is crucial for implementing immediate airborne and contact isolation precautions to prevent nosocomial outbreaks.
Patient education is a key nursing role, including teaching parents about symptomatic relief (e.g., oatmeal baths, calamine lotion), preventing scratching to avoid secondary bacterial infections and scarring, and recognizing signs of complications.
What if the patient was a pregnant woman in her first trimester? The nurse's priority would be urgent referral and assessment for potential congenital varicella syndrome, which can cause severe birth defects. Post-exposure prophylaxis with VZIG would be considered.

How to Approach the Question

First, carefully analyze the image provided. Pay close attention to the type of skin lesions (e.g., flat, raised, fluid-filled).
Observe the distribution of the rash. Is it on the trunk, limbs, face? Is it spreading in a particular direction?
Note if there are lesions in different stages of development (polymorphism), as this is a key diagnostic clue for certain conditions.
Evaluate each option against your visual analysis. Eliminate options that do not match the lesion type or distribution.
Select the option that best corresponds to the classic presentation shown in the image, recalling pathognomonic signs like the 'dew drop on a rose petal' for chickenpox.

Concept Tested & Keywords

Concept Tested: Visual identification of common childhood exanthematous diseases.
Stem keywords: rash, diagram, pattern
Lead-in keywords: Identify
Clinical cues: Vesicular rash on trunk
Clinical cues: Lesions in multiple stages

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E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart A (pp 26-201 of 604) p. 147-149

Practise the full NORCET 3 - 2022 (Shift-2)

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