What would the nurse do to remove air trapped in a syringe before withdrawing the syringe from the vial?
a. Position the tip of the needle in the vial's airspace, and tap the barrel of the syringe.
b. Position the tip of the needle below the fluid line, and tap the vial.
c. Position the vial on a flat surface, and tap the syringe.
d. Position the syringe above the vial, and tap the vial.