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What does it mean if at 2 Gy (300 rad) of whole body ionizing radiation the lethal dose is referred to as LD 50/30?  

Which of the following is the measurement of radiation “absorbed dose” in the body?  

The Acute Radiation Syndrome (ARS) is usually:  

A linear, non-threshold shaped Dose‑Response curve implies: no level or dose of radiation is absolutely safe.

Ionizing radiation damage to the hematopoietic system can result in:  

All of the following are characteristics that are unique to living organisms, except:

Our actual radiation protection guidelines in effect are based on the philosophy that the relationship between radiation dose vs. response is:  

Ionizing radiation induced mutations may occur when changes in the order of DNA bases occur.  

Apply what you know: Since the induction of cell mutations is thought to follow a nonthreshold dose response:  

Apply your knowledge of the GI tract: What occurs when the cells lining the intestinal tract (the villi) are damaged?