22 Gauge iv cannula colour is
**Core Concept**
A 22-gauge IV cannula is a type of peripheral intravenous catheter used for administering medications and fluids. The gauge of an IV cannula refers to the thickness of the cannula's wall, with smaller gauges indicating thinner walls and larger lumen diameters.
**Why the Correct Answer is Right**
The color of an IV cannula is a standardization system used to indicate the gauge of the cannula. The most commonly used system is the Becton Dickinson (BD) color-coding system, which assigns specific colors to different gauges of cannulas. For a 22-gauge cannula, the color is **blue**. This system helps healthcare professionals quickly identify the gauge of a cannula and select the appropriate needle or syringe for insertion.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect as it does not match the BD color-coding system for a 22-gauge cannula.
* **Option B:** This option is incorrect as it is not a valid color code for a 22-gauge cannula.
* **Option D:** This option is incorrect as it is not a valid color code for a 22-gauge cannula.
**Clinical Pearl / High-Yield Fact**
When selecting an IV cannula, the gauge and length of the cannula should be carefully matched to the patient's needs to minimize discomfort and prevent complications. The BD color-coding system is widely used in hospitals and clinics, so it is essential to familiarize yourself with this system to ensure accurate identification of IV cannulas.
**Correct Answer: C. Blue**