What does 'gtt.' stand for in medication measurement?

The abbreviation 'gtt.' stands for 'drop,' which is a unit of measurement used in medication dosing, particularly for liquid medications. This terminology is important in clinical settings where precise dosing is critical, as medications may need to be administered in small, measured amounts.

Understanding that 'gtt.' refers to drops helps professionals correctly interpret dosage instructions, especially in situations where liquid medication must be diluted or delivered via a dropper. Each drop is generally considered a precise quantity, making this measurement especially useful in the administration of certain medications where accuracy is vital for patient safety.

In the context of medication administration, the other choices represent different units of measurement that are not applicable to this specific abbreviation. Therefore, recognizing 'gtt.' as 'drop' is essential for anyone involved in medication preparation and administration.