The Nurse Is Instructing a Nursing Student in Proper Technique

Multiple Choice

The nurse is instructing a nursing student in proper technique for an intradermal injection.Which does the nurse use to evaluate proper technique for a tuberculin skin test after injecting the solution?

A) The nurse palpates a deep, firm pocket of the test solution.
B) The nurse observes a nearly clear bubble slightly under the skin.
C) A small trickle of blood appears at the puncture site within minutes.
D) A 2-cm (3/4-inch) pink, flattened area develops at the injection site within 1 hour.