Nurse April is teaching a client who suspects that she has a lump in her breast. The nurse instructs the client that a diagnosis of breast cancer is confirmed by:
A. breast self-examination.
B. mammography.
C. fine needle aspiration.
D. chest X-ray.
Answer: C
Explanation: Fine needle aspiration and biopsy provide cells for histologic examination to confirm a diagnosis of cancer. A breast self-examination, if done regularly, is the most reliable method for detecting breast lumps early. Mammography is used to detect tumors that are too small to palpate. Chest X-rays can be used to pinpoint rib metastasis.
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