When Performing a Venipuncture,the Nurse Should

When performing a venipuncture,the nurse should

A) inject with the needle at a 45-degree angle.
B) select a vein that is rigid and cordlike and that rolls when palpated.
C) perform the needle insertion immediately after cleansing the skin with alcohol.
D) place the thumb of the nondominant hand about 2.5 cm (1 inch) below the site and pull the skin taut.