All of the following has a naturally occurring decay product in a gaseous form, EXCEPT:
Correct Answer: Technetium
Description: Radon is a naturally occurring decay product of Uranium or Thorium. It is a colorless, odorless, chemically noble gas that can penetrate the eah's crust and accumulate in buildings. Radium is a product of decomposition of Uranium or Thorium, which fuher decomposes into Radon. Know this - Radon decays to products that emit heavy ionizing alpha paicles, which may damage the DNA in respiratory epithelial cells. Radon exposure increases the risk of developing lung cancer, usually the small cell type. Ref: Gibbons D., Pisters K.M., Johnson F., Eapen G.A. (2011). Chapter 15. Non-Small Cell Lung Cancer. In H.M. Kantarjian, R.A. Wolff, C.A. Koller (Eds), The MD Anderson Manual of Medical Oncology, 2e.
Category:
Radiology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now