Which drop factor value is typical for a macrodrip set?

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Multiple Choice

Which drop factor value is typical for a macrodrip set?

Explanation:
Drop factor is the number of drops required to make 1 milliliter of IV fluid, expressed as gtt per mL. Macrodrip sets deliver larger drops to reduce the number of drops counted, and their typical values are in the low tens per milliliter—commonly 10, 15, or 20 gtt/mL. Microdrip sets use smaller drops, usually 60 gtt/mL. So for a macrodrip計, you’d expect a drop factor around 10–20 gtt/mL. The option given as 60 gtt/mL is a microdrip value, not macro. The other options describe flow rates (gtt/min) rather than a drop factor per milliliter. When calculating flow in gtt/min, you’d use the formula gtt/min = (mL/hr × drop factor) / 60.

Drop factor is the number of drops required to make 1 milliliter of IV fluid, expressed as gtt per mL. Macrodrip sets deliver larger drops to reduce the number of drops counted, and their typical values are in the low tens per milliliter—commonly 10, 15, or 20 gtt/mL. Microdrip sets use smaller drops, usually 60 gtt/mL.

So for a macrodrip計, you’d expect a drop factor around 10–20 gtt/mL. The option given as 60 gtt/mL is a microdrip value, not macro. The other options describe flow rates (gtt/min) rather than a drop factor per milliliter. When calculating flow in gtt/min, you’d use the formula gtt/min = (mL/hr × drop factor) / 60.

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