What color is used to designate an 18-gauge IV catheter?

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Prepare for the NOVA Clinical Anesthesia Exam. Study with flashcards and multiple choice questions, including detailed explanations and hints. Ace your exam with confidence!

Multiple Choice

What color is used to designate an 18-gauge IV catheter?

Explanation:
Color coding of IV catheters is used so clinicians can quickly identify the needle gauge without measuring. In the common coding system, the green color is assigned to an 18-gauge catheter. This size hits a practical balance for many adult patients, allowing adequate flow for fluids or medications while still being relatively easy to place. Keep in mind that some manufacturers or settings may use slightly different color schemes, so labeling should always be checked if there’s any doubt.

Color coding of IV catheters is used so clinicians can quickly identify the needle gauge without measuring. In the common coding system, the green color is assigned to an 18-gauge catheter. This size hits a practical balance for many adult patients, allowing adequate flow for fluids or medications while still being relatively easy to place. Keep in mind that some manufacturers or settings may use slightly different color schemes, so labeling should always be checked if there’s any doubt.

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