How should 1 teaspoon be measured accurately?

Measuring 1 teaspoon accurately requires using a level measurement. A level teaspoon means that the substance is evenly filled to the rim of the teaspoon without any excess spilling over. This method ensures consistency and precision in measurement, which is crucial in a pharmacy setting where dosages and ingredients must be exact for safe medication preparation and administration.

Using a heaped, overflowing, or flat teaspoon could result in too much or too little of the substance being measured. A heaped measurement adds extra material above the rim, while an overflowing measurement creates a mess and can lead to inaccurate dosing. A flat measurement might not incorporate enough of the substance, again risking inaccuracies. Therefore, utilizing a level teaspoon helps maintain the integrity of the measurement.