Correct Answer: A

Rationale: Testicular cancer is indeed highly treatable and curable, particularly when detected early through regular self-examinations. The survival rates for testicular cancer are very high, with many cases being treatable even if the cancer has spread, thanks to effective treatment options such as surgery, chemotherapy, and radiation therapy. Educating clients on the importance of early detection through monthly testicular self-examinations can empower them to recognize any changes early, increasing the likelihood of successful treatment.

Correct Answer: D

Rationale: Mucositis is a common side effect of radiation therapy that should be closely monitored.

Correct Answer: A

Rationale: If oral anesthetics are used, the patient must be warned to chew with extreme care to avoid inadvertently biting the tongue or buccal mucosa.

Correct Answer: A

Rationale: Leukemia commonly involves unregulated proliferation of white blood cells.

Correct Answer: D

Rationale: Handling radioactive excreta requires special precautions; the nurse must be familiar with the facility's policies.