Free NCLEX RN Practice Test Practice Question
When administering a tuberculin skin test, the nurse should insert the needle at a:
Correct Answer: A
Rationale: In administering a tuberculin skin test, inserting the needle at a 15° angle ensures that the medication is deposited into the intradermal layer, which is crucial for accurate testing. This angle allows for proper absorption and reaction assessment.
Options B (30°) and C (45°) angles are too steep for intradermal injections, increasing the risk of subcutaneous placement, which can lead to inaccurate results. A D (90°) angle is inappropriate as it would penetrate too deeply, missing the dermal layer altogether. Correct technique is essential for the reliability of the test results.
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