DSSSB 6 September 2024
Medical & Surgical Nursing
Easy
Incomplete fracture of a bone in which the bone bends and cracks on one side but does not break completely through Is called ?
Appeared in: DSSSB 6 September 2024
Explanation
- A comminuted fracture is defined as a break or splinter of the bone into three or more fragments.
- This type of fracture typically occurs following a high-impact event, such as a severe fall, motor vehicle accident, or gunshot wound, which delivers a high degree of force.
- Due to the significant fragmentation, comminuted fractures are often unstable and may require surgical intervention, such as open reduction and internal fixation (ORIF), to align and stabilize the bone fragments for proper healing.
Why Other Options Were Wrong
- Option A: A depressed fracture involves a bone fragment being pushed inward, below the normal surface. This is not a characteristic of a bone shattering into multiple pieces.
- Option B: A greenstick fracture is an incomplete break where the bone bends and cracks on one side but does not break all the way through. A comminuted fracture is a complete break with multiple fragments.
- Option C: An impacted fracture occurs when the broken ends of a bone are driven into each other by the force of the injury. This involves compression, not fragmentation into multiple pieces.
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of bone fracture types based on their defining characteristics as background academic context rather than a clinical decision trigger.
- Accurate identification of the fracture type is critical for determining the appropriate treatment plan. Comminuted fractures are often unstable and usually require surgical fixation (ORIF) to ensure proper alignment and healing, whereas simpler fractures may be managed with closed reduction and casting.
- Nurses must perform frequent neurovascular checks (assessing color, temperature, capillary refill, pulses, sensation, and movement) on the affected limb, especially with severe fractures like comminuted ones, to monitor for complications such as compartment syndrome.
- Comminuted fractures of long bones (like the femur) carry a higher risk of systemic complications, such as fat embolism syndrome (FES), where fat globules are released into the bloodstream, potentially causing respiratory distress and neurological symptoms.
How to Approach the Question
- First, understand the definitions of the common fracture types provided in the options.
- If an image (like an X-ray) is provided, carefully examine the fracture line(s). Note whether the break is complete or incomplete.
- Observe the number of bone fragments. A key differentiator for a comminuted fracture is the presence of three or more bone pieces.
- Consider the direction of the fracture and the position of the bone ends. Are they pushed together (impacted), pushed inward (depressed), or shattered (comminuted)?
- Relate the fracture pattern to the patient's age and mechanism of injury if provided. For example, greenstick fractures are common in children, while comminuted fractures suggest high-energy trauma.
Concept Tested & Keywords
- Concept Tested: Identification of bone fracture types based on their defining characteristics.
- Stem keywords: fracture, bone, X-ray, trauma
- Lead-in keywords: identify, type of fracture
Question ID
QXb26f3pfPebW4IZfoxhSM
Reference Book
E6 Nelson Textbook of Pediatrics(2024) — Volume 2 pp. 2086-2088, 2087-2089
E6 Text Book Of Pediatric Nursing 3rd Panchali Pal — Part 3 (pp 477-702 of 713) p. 5-7
Practise the full DSSSB 6 September 2024
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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