This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
[{'content': 'Which of the following is emitted by Phosphorus 32? \nSelect and explain. \nA. X-rays, B. Neutrons, C. Alpha Paicles, D. Beta paicles', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Radioactive chromic phosphate (P-32) emits only beta paicles and has a half life of approximately 2 weeks. It is currently the most frequently used agent as an adjuvant therapy for epithelial ovarian carcinoma when administered intraperitoneally. Ref: Multimodality Therapy in Gynecologic Oncology By B.-U. Sevin, Page 157; Hazardous Materials Awareness and Operations By Rob Schnepp, Pages 31-2', 'role': 'assistant'}]