XRAY STATE EXAM QUESTIONS AND ANSWERS 100% SOLVED

XRAY STATE EXAM QUESTIONS AND ANSWERS 100% SOLVED What is the earliest visible sign of overexposure to radiation Erythema-redness of thr skin Which body tissues or organs are the most sensitive to radiation Reproductive cells or early embryo Name 3 examples of disprders of critical organs resulting from cumulatibe radiation exposure Genetic disorders, cataracts, cancer leukemia Chronic radiation exposure When small amounts of radiationare absorbed repeatedly over a long period of time What is the latent period The period of time between when you recieve theradiation and the symptoms appear What is penumbra and how can it be reduced The fuzzy or blurred area that surrounds an image....minimizemovement of patient, size of focal spot, and film composition A form of radiation tht occurs when an xray beam has been deflected from its path by interaction with matter is Scatter/secondary radiation Damage caused by ionizing x-radiation to genetic cells Can affect future generations The wavelength s of xray which have the greatest energy and the most usefulness are The short wavelenghs When the electrons strike the tungsten target, their energy of motion creates xrays and heat . Less than ___ of energy is converted into xrays, with the remaining ___ lost as heat 1%, 99% How is heat reduced from the target Absorbed the insulating oil surrounding the tube The filter on the xray machine is used to Remove the low energy, long wavelengths less penetratinv xray from the beam The filter is made of Aluminum and is 2.5 mm thick whi ch is the federal requirement for xray machines operating above 70kVp The collimater and is used Is made of lead, to restric the size and shape of the xray beam to reducd patient exposure