You Need to Give a 0

You need to give a 0.5 mL subcut injection on an adult using a 45-degree entry. What needle and syringe would be appropriate?

A) 3 mL syringe; 1/2 inch, 25 gauge needle
B) 3 mL syringe; 1 inch, 21 gauge needle
C) 3 mL syringe; 5/8 inch, 25 gauge needle
D) 1 mL syringe; 1/2 inch, 23 gauge needle
E) 1 mL syringe; 5/8 inch, 21 gauge needle