Cancer is a disease characterized by:
1. normal, controlled cell division.
2. abnormal, uncontrolled cell division.
3. normal, uncontrolled cell division.
4. abnormal, controlled cell division.
Correct Answer: 2
Rationale 1: Cancer is abnormal, uncontrolled cell division.
Rationale 2: Cancer is characterized by abnormal, uncontrolled cell division.
Rationale 3: Cancer is abnormal cell division.
Rationale 4: Cancer is uncontrolled cell division.
Global Rationale: Cancer is characterized by rapid, uncontrolled growth of cells that eventually invade normal tissues and metastasize. This growth is abnormal.
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