The nurse is administering influenza vaccine injections in the flu clinic. The vaccine dose is contained in 0.5 mL and is given IM to adults into the deltoid muscle. The best choice of syringe and needle for this dose of vaccine is:
a) 1 mL 27G 3/8"
b) 1 mL 25G 5/8"
c) 3 mL 23G 1"
d) 3 mL 19G 1 1/2"
