Which of the following statements about radiation is true?
A)Your body contains a number of radioactive isotopes.
B)One rem is enough to kill approximately 50 percent of the average population.
C)Radiation damages cells beyond repair.
D)Several small exposures over time has the same negative effect as one large exposure that totals the same amount.
E)Radiation can make you glow in the dark.

Question

Quizplus · Accepted Answer

Your body naturally contains radioactive isotopes, such as carbon-14 and potassium-40, which are incorporated into your tissues through the food you eat and the air you breathe. These isotopes emit radiation as they decay, but the levels are generally very low and not harmful to health.

Which of the Following Statements About Radiation Is True