The nurse has an order to administer U-500 Humulin R insulin 10 units. How many units should the nurse draw up when administering this insulin?

50 units of Humulin R insulin in a 100-unit insulin syringe.

10 units of Humulin R insulin in a 500-unit insulin syringe.

10 units of Humulin R insulin in a 30-unit insulin syringe.

50 units of Humulin R insulin in a 50-unit insulin syringe.