1.

A: What is EM radiation? Explain some key differences between ionizing EM radiation and other forms of EM radiation, giving an example of each.

B: What are a two different ways that ionizing radiation can hurt people?

C: What is the linear hypothesis for radiation exposure? Is it used for anything practical? Is it proven?

D: Suppose you learn that a hospital X ray imaging machine is subjecting patients to 50% more radiation that it is supposed to do. Why or why not would this be cause for concern?

E: Suppose a patient needs a CAT scan to verify that there is no intracranial bleeding. What would you say about the dangers and on what basis?

F: All light-whether visible of invisible is ____ radiation. (Fill in the blank.) Name three forms of invisible light, saying in what important way they differ. What are some sources and uses of the forms you mention?

G: In what ways could non-ionizing radiation hurt people? (Please consider two different forms of non-ionizing radiation.)