Final answer:
The 1 mL syringe is used for measuring parenteral dosages of medication, offering the precision needed for small and accurate doses.
Step-by-step explanation:
The syringe meant to measure parenteral dosages of medication is the 1 mL syringe. Parenteral medication administration is a route that is injected directly into the body, bypassing the digestive system. A 1 mL syringe provides the precision needed for measuring small, accurate doses required for this type of administration. It's vital for healthcare professionals to use syringes that allow for accuracy to ensure patient safety and effective dosing. In comparison, a 3 mL syringe is typically used for larger volumes, while an insulin syringe is calibrated specifically for insulin units, not milliliters, and typically holds up to 100 units of insulin.