A patient requires a subcutaneous injection of 40 units of insulin. Which syringe and needle combination is most appropriate?

10 mL syringe with an 18-gauge, 1-inch needle

3 ml syringe with a 23-gauge, 1-inch needle

Insulin syringe with a 29-gauge, 1/2-inch needle

1 mL syringe with a 25-gauge, 5/8-inch needle