A patient with a below-knee plaster cast reports that the cast has become wet. What is the most appropriate n… - NORCET 10 Prelims-2026

NORCET 10 Prelims-2026

Medical & Surgical Nursing

Medium

Appeared in: NORCET 10 Prelims-2026

Explanation

A wet plaster cast loses its structural integrity, failing to properly immobilize the fracture for healing.
Moisture trapped under the cast can lead to skin maceration (softening), breakdown, and bacterial or fungal infections.
Using a hairdryer on a cool setting provides gentle, consistent airflow to evaporate moisture safely.
This method avoids the use of heat, which is dangerous as it can be trapped by the cast and cause severe thermal burns to the underlying skin.

Option A: Keeping the cast in sunlight is an unreliable and passive method. It may not provide sufficient airflow to dry the cast thoroughly, especially the inner layers, and is not a controlled therapeutic intervention.
Option C: Ignoring a wet cast is considered negligent. It allows the cast to weaken and creates a moist environment under the cast, putting the patient at high risk for skin breakdown, infection, and improper fracture healing.
Option D: Applying heating pads is extremely dangerous and strictly contraindicated. The cast material traps heat, which can quickly lead to severe, deep tissue burns on the skin underneath. The patient may not feel the burn due to altered sensation.

Visual 1: Infographic: Do's and Don'ts of Plaster Cast Care. This visual would reinforce key patient education points, including how to manage moisture and when to seek help.
Visual 2: Illustration: Demonstrating the correct technique for using a hairdryer on a cool setting to dry a damp spot on a cast, emphasizing keeping a safe distance and using continuous motion.

Clinical Relevance

Nursing practice connection: Use the key finding related to Management of a wet plaster cast and principles of cast care to guide bedside assessment, documentation, and the next nursing action.
Patient education is a primary nursing responsibility. Clearly instructing patients on cast care, especially keeping it dry, is essential to prevent complications and ensure a positive outcome.
A nurse's prompt and correct action in response to a wet cast directly impacts patient safety by preventing skin damage, infection, and loss of fracture reduction.
What if? The cast was made of fiberglass instead of plaster. A: Fiberglass casts are more water-resistant, and some have waterproof liners. If a standard fiberglass cast gets wet, it still needs to be dried thoroughly (often with a cool hairdryer) to prevent skin maceration. A completely soaked cast may still need evaluation or replacement.

How to Approach the Question

First, identify the core clinical problem: a wet plaster cast.
Recall the properties of plaster. It is heavy, not water-resistant, and loses its supportive strength when wet.
Analyze the risks associated with the problem: loss of immobilization, skin breakdown, and infection.
Evaluate each option based on the principles of safety and effectiveness.
Eliminate any option that involves inaction when a problem exists (e.g., 'Do nothing').
Eliminate any option that poses a direct safety risk. Applying heat to a cast is a known danger that can cause severe burns.

Concept Tested & Keywords

Concept Tested: Management of a wet plaster cast and principles of cast care.
Stem keywords: below-knee plaster cast, cast has become wet, nursing action
Lead-in keywords: most appropriate
Clinical cues: The material is a 'plaster cast', which is not water-resistant and loses integrity when wet.

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