8. A pharmacy technician needs to measure 30 mL of mineral oil to fill a compounded prescription. Which of the following would most accurately measure the desired volume?
Answer: D
Graduated cylinder is the most accurate tool for measuring 30 mL of mineral oil.
A graduated cylinder provides precise measurements and is specifically designed for accurately measuring liquid volumes, making it the ideal choice for this task.
A) Glass beaker
A glass beaker is not designed for precise measurements, as it typically has a wider margin of error. While it can hold liquid, the measurement markings are less accurate than those on a graduated cylinder, making it unsuitable for measuring exactly 30 mL.
B) Dosing spoon
A dosing spoon is intended for smaller volumes and may not provide the accuracy required for measuring 30 mL. The design and scale of a dosing spoon are not suitable for measuring larger liquid volumes accurately.
C) Prescription bottle
A prescription bottle is primarily used for storing medication and does not have measurement markings for volume. As such, it cannot ensure an accurate measurement of 30 mL of mineral oil.
D) Graduated cylinder
The graduated cylinder is specifically designed for measuring liquids with high accuracy. It has clear markings and a narrow shape that allows for precise readings, making it the best option for measuring 30 mL.
Conclusion
The graduated cylinder is definitively the correct choice for measuring 30 mL of mineral oil due to its design for accuracy and precision. In contrast, the other options lack the necessary precision and are therefore unsuitable for this specific measurement task.