LRA 110 Final Exam Questions And
Answers |Latest 2025 | Guaranteed Pass
November 8, 1895 by Wilhelm Conrad Roentgen - Answer✔x rays were discovered ?
His wife's hand - Answer✔the first radiograph produced by Dr. Roentgen was of
acute radiodermatitis - Answer✔radiation burn resulting from excessive exposure to xrays
common among early patients and operators of xray equipment
a delayed reaction to excesssive xray exposure
power - Answer✔Watt is the unit of measure of
potential energy - Answer✔energy in a stored state is
kinetic energy - Answer✔energy being expended?
roentgen - Answer✔the standard radiologic unit that quantifies radiation intensity is the
rad - Answer✔the standard radiologic unit the quantifies the biological effect of radiation on
humans and animals is the
rem - Answer✔the standard radiologic unit that quantifies occupational exposure or dose
equivalent is the
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gray - Answer✔the _______ is the SI unit equivalent to the rad
Sivert - Answer✔the ___________ is the SI unit equivalent to the rem
sivert - Answer✔the SI radiologic unit that addresses the different biological effects of different
types of ionizing radiation is the
anode - Answer✔the positive electrode of the xray tube is the
cathode - Answer✔the negative electrode of the xray tube is the
collimator - Answer✔the device that restricts the xray beam to the area of interest is the
collimator - Answer✔lead shutters are part of the
bucky assembly - Answer✔the device that is located just under the xray table and holds the
image receptor in place is the
wall unit - Answer✔upright radiographic examinations can easily be done with a
control panel - Answer✔the electricity applied to the tube during xray production is controlled
at the
ALARA (as low as reasonably achievable) - Answer✔what principle articulates the radiographers
responsibility to minimize radiation exposure to the patient oneself and others?
collimation - Answer✔which of the following is NOT a cardinal principle for minimizing radiation
dose?
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