Qualified Medication Aides (QMA) Practice Exam

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The apothecary system is considered more accurate than which system?

The metric system
The household system
The imperial system
The prescription system

The correct answer is: The household system

The apothecary system is considered more accurate than the household system primarily due to its use of precise measurements based on the weight of substances rather than volume. The household system relies on less standardized measurements, often using common kitchen measurements such as teaspoons and tablespoons, which can vary in size and therefore lead to inaccuracies in dosing. In contrast, the apothecary system is grounded in specific units such as grains, drams, and ounces, allowing for a higher level of precision when measuring medications. This precision is crucial in pharmacy practice, where accurate dosing is essential for patient safety and effective treatment. Due to these inherent inaccuracies in the household system, healthcare professionals prefer the apothecary system for its ability to maintain a higher standard of measurement accuracy, which is vital in the administration of medication.