DSSSB October 2024
Nursing Foundation
Easy
What is the size of the pink colour-coded IV cannula?
Appeared in: DSSSB October 2024
Explanation
- The international color-coding system for IV cannulas designates pink for the 20-gauge size.
- A 20-gauge cannula provides a flow rate of approximately 60 mL/min.
- This size is highly versatile and commonly used for routine IV fluid administration, delivering medications, and for non-emergency blood transfusions.
Why Other Options Were Wrong
- Option A: An 18-gauge cannula is color-coded green, not pink.
- Option C: A 22-gauge cannula is color-coded blue, not pink.
- Option D: A 24-gauge cannula is color-coded yellow, not pink.
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain IV cannula color-coding and gauge sizes as background academic context rather than a clinical decision trigger.
- The color-coding system is a critical patient safety feature that helps prevent errors by allowing nurses to quickly identify the cannula gauge, especially in emergencies.
- Selecting the appropriate cannula size is vital for effective treatment. A cannula that is too small may not deliver fluids at the required rate, while one that is too large can cause unnecessary pain and vein trauma.
- What if? If a patient requires rapid blood transfusion for hemorrhagic shock, a 20G (Pink) cannula would be too slow. The nurse must select a larger bore cannula, such as a 16G (Grey) or 18G (Green), to ensure an adequate flow rate and prevent delays in resuscitation.
How to Approach the Question
- This is a factual recall question testing knowledge of standard medical equipment.
- Identify the key terms in the question: 'pink colour-coded IV cannula' and 'size'.
- Access your memory of the universal color-coding system for IV cannulas.
- Mentally match the color 'pink' to its corresponding gauge number.
- The standard association is Pink = 20 Gauge.
- Select the option that matches this number.
Concept Tested & Keywords
- Concept Tested: IV cannula color-coding and gauge sizes
- Stem keywords: pink colour-coded, IV cannula, size
- Lead-in keywords: What is
Question ID
Q_vj4BTnmn8OKmPqADiHJ0
Reference Book
E6 Nursing Fundamentals Taylor p. 1092-1094
Practise the full DSSSB October 2024
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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