What Guidelines Should the Nurse Follow When Performing an Allergy

What guidelines should the nurse follow when performing an allergy skin test?

A) Choose an injection site that is taut and heavily pigmented.
B) Withdraw the needle at the same angle at which it was inserted.
C) Place the needle, bevel down, on the skin surface at about a 45-degree angle.
D) Ask the client to rub the insertion site after withdrawing the needle.