Second degree burn involves damage to :

Appeared in: IGNOU PB Bsc Nsg.Entrance-2026

Explanation

A second-degree burn is also termed a partial-thickness burn.
It is defined by damage that extends from the outer layer of skin (epidermis) into the underlying layer (dermis).
The key clinical signs include the formation of blisters, significant pain, and a moist, weeping surface.
This level of injury is more severe than a first-degree burn but less severe than a third-degree burn.

Option A: Damage limited to only the epidermis is classified as a first-degree (superficial) burn.
Option C: Damage extending to bones and muscles is classified as a fourth-degree burn, which is the most severe category of burn injury.
Option D: Damage that penetrates through the epidermis and dermis into the subcutaneous tissues and destroys nerve endings is classified as a third-degree (full-thickness) burn.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Classification of burn injury depth as background academic context rather than a clinical decision trigger.
Accurate assessment of burn depth is a critical nursing skill that directly influences treatment decisions, including fluid resuscitation, wound care protocols, and the need for referral to a specialized burn center.
Nurses must be able to differentiate between partial-thickness and full-thickness burns to manage pain effectively. Second-degree burns are very painful due to exposed nerve endings, whereas third-degree burns may be painless at the center.
What if? - If a patient presents with a burn that is dry, leathery, and has no sensation, the nurse should recognize this as a third-degree (full-thickness) burn. The immediate priority shifts to managing systemic effects like shock and preparing for surgical intervention (grafting), as opposed to the local wound and pain management that might be the focus for a second-degree burn.

How to Approach the Question

First, identify the key term in the question: 'Second degree burn'.
This is a factual recall question that requires knowledge of the classification of burns based on skin layer involvement.
Mentally review the layers of the skin in order from superficial to deep: Epidermis, Dermis, Subcutaneous tissue, Muscle/Bone.
Recall the definition for each degree of burn:
1st degree: Epidermis only.
2nd degree: Epidermis and Dermis.

Concept Tested & Keywords

QUl9b4c4DARpj8d-14EV5b

E6 Pathology- ROBBINS & COTRAN PATHOLOGIC BASIS OF DISEASE 10TH Ed p. 433-435

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 pp. 693-695, 692-694

Practise the full IGNOU PB Bsc Nsg.Entrance-2026

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