While preparing to administer an intramuscular injection to an adult patient, you notice that the only syringes available are those with attached needles. Which needle gauge and length combination is appropriate for this procedure?
A 28–31 gauge, 0.5 inch long needle
An 18 gauge, 2 inch long needle
A 22–25 gauge, 1–1.5 inch long needle
A 22–25 gauge, ½ inch long needle