What are some common measuring devices?

• A. Beakers, flasks, and funnels
• B. Thermometers, hydrometers, and scales
• C. Graduates, medicine droppers, and graduated prescription bottles
• D. Test tubes, racks, and stirrers

Answer: (C)

Measuring devices are tools that help you determine or deliver exact quantities, which is crucial for accurate dosing in pharmacy practice. The best choice includes items clearly built for measuring and dispensing liquids: a graduated container form used for volume markings, a medicine dropper for precise liquid volumes, and a bottle with graduation marks to indicate doses. These are specifically designed to quantify amounts or to deliver known amounts, making them reliable for measurement and dosing. Beakers, flasks, and funnels are common glassware used for holding, mixing, and transferring liquids, not for precise measurement. Other options like thermometers, hydrometers, and scales measure properties such as temperature, density, or mass, which aren’t primarily about measuring liquid volumes for dosing. Test tubes, racks, and stirrers serve organizational or mixing roles rather than measurement.