True or False: Insulin can be administered in a syringe calibrated in milliliters.

Insulin is primarily administered using syringes that are specifically calibrated in insulin units rather than milliliters. This is because the dosage of insulin is very precise and is dosed in units based on its biological activity rather than volume. While milliliters are a common measurement for many medications, the unique nature of insulin necessitates the use of units to ensure accuracy in dosing.

Using a syringe calibrated in milliliters for insulin could lead to incorrect dosing, as the concentration of insulin can vary. Therefore, it is critical to use the appropriate syringes designed for insulin, which allows for precise delivery of the medication according to the patient's needs.