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Radiation Protect

Radiation Protection w/ Biology

QuestionAnswer
produces positively and negatively charged particles (ions) when passing through matter Ionizing Radiation
effective measures employed by radiation workers to safeguard patients, personnel, and the general public from unnecessary exposure to ionizing radiation. Radiation Protection
Creation of unstable atoms Production of free electrons Production of low energy xray photons Creation of reactive free radicals Creation of new biologic molecules Injury to the cell that may manifest itself Consequences of Ionization of Human Cells
Ionizing radiation penetrating body tissues primarily by ejecting electrons from the atom composing tissue. Limiting the Energy Deposited on tissue Reduce potential for biological effects Biologic Effects
Destructive radiation interaction at the atomic level results in molecular change Cellular Damage
Benefits have to outweigh the slight risk of inducing a radiation induced malignancy Purpose MUST be Prudent Illness and or Injury Mammography Risks vs benefit
The degree to which the diagnostic study accurately reveals the presence or absence of disease in the pt. Diagnostic Efficacy
Bone marrow does not produce sufficient new cells to replenish RBCs Aplastic Anemia
Depressed WBC, RBC and platelet count Pancytopenia
Hematological malignancies Types of cancer that affect blood, bone marrow, and lymph node Leukemia
Probability of Radiation induced malignancy Stochastic Non Threshold Event
Consist of Both Human and Environmental, Technical and Procedural Tools Techniques Effective Measures
Prescribing Physician “Respondeat superior”
employer is responsible for the actions of employees performed within the course of their employment Legal doctrine
Created by: danniegiirl