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Which type of cancer originates in the cells of the breast?
 a) Leukemia
 b) Lymphoma
 c) Melanoma
 d) Breast cancer
 Rationale: Breast cancer is characterized by the abnormal growth of
cells in the breast tissue. It is the most common cancer among women
worldwide and can also occur in men.
What is the primary risk factor for lung cancer?
 a) Obesity
 b) Exposure to asbestos
 c) Family history of skin cancer
 d) Smoking
 Rationale: Smoking is the leading cause of lung cancer, responsible for
the majority of cases. Exposure to asbestos and radon gas are also
significant risk factors.
Which type of cancer affects the bone marrow and blood?
 a) Brain cancer
 b) Colon cancer
 c) Leukemia
 d) Prostate cancer
 Rationale: Leukemia is a cancer of the blood-forming tissues, including
the bone marrow and the lymphatic system. It leads to the overproduction
of abnormal white blood cells.
What is the most common type of skin cancer?
 a) Melanoma
 b) Basal cell carcinoma
 c) Sarcoma
 d) Basal cell carcinoma
 Rationale: Basal cell carcinoma is the most prevalent form of skinÂ
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