NCLEX RN Exam Review Answers Related

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A nurse is caring for a client who was recently diagnosed with breast cancer. The oncologist uses the TNM staging system to classify this case as T2, N2, M0. The nurse understands that TNM stands for:

  • A. Tumor, Necrosis, Metastasis
  • B. Tumor, Node Involvement, Mastectomy
  • C. Tumor, Node Involvement, Metastasis
  • D. Therapy, Necrosis, Metastasis
Correct Answer: B

Rationale: The TNM staging system is a classification system for determining the size and extent of cancerous tissue. The TNM system helps providers to identify the most accurate forms of treatment. The T stands for tumor, the N stands for node involvement, and the M stands for metastasis. Choice A, 'Tumor, Necrosis, Metastasis,' is incorrect because it does not include the node involvement component. Choice B, 'Tumor, Node Involvement, Mastectomy,' is incorrect as it erroneously includes the treatment approach 'Mastectomy' instead of 'Metastasis.' Choice D, 'Therapy, Necrosis, Metastasis,' is incorrect because it includes 'Therapy' instead of the correct component 'Node Involvement.'