WEST Coast EMT Chapter 2 -- Workforce Safety and Wellness study guide

LRA 110 FINAL EXAM AND CORRECT ANS




November 8, 1895 by Wilhelm Conrad Roentgen - CORRECT ANS✔✔x rays were
b b b b b b b b b b b




discovered ?
b b




His wife's hand - CORRECT ANS✔✔the first radiograph produced by Dr. Roentgen was
b b b b b b b b b b b b




of
b




acute radiodermatitis - CORRECT ANS✔✔radiation burn resulting from excessive
b b b b b b b b




exposure to xrays
b b b




common among early patients and operators of xray equipment
b b b b b b b b




a delayed reaction to excesssive xray exposure
b b b b b b




power - CORRECT ANS✔✔Watt is the unit of measure of
b b b b b b b b b




potential energy - CORRECT ANS✔✔energy in a stored state is
b b b b b b b b b




kinetic energy - CORRECT ANS✔✔energy being expended?
b b b b b b




potential energy or kinetic energy b b b b




roentgen - CORRECT ANS✔✔the standard radiologic unit that quantifies radiation
b b b b b b b b b




intensity is the
b b b




rad - CORRECT ANS✔✔the standard radiologic unit the quantifies the biological effect of
b b b b b b b b b b b b




radiation on humans and animals is the
b b b b b b b




rem - CORRECT ANS✔✔the standard radiologic unit that quantifies occupational
b b b b b b b b b




exposure or dose equivalent is the
b b b b b b




gray - CORRECT ANS✔✔the _______ is the SI unit equivalent to the rad
b b b b b b b b b b b b




Sivert - CORRECT ANS✔✔the ___________ is the SI unit equivalent to the rem
b b b b b b b b b b b b




sivert - CORRECT ANS✔✔the SI radiologic unit that addresses the different biological
b b b b b b b b b b b




effects of different types of ionizing radiation is the
b b b b b b b b b

, anode - CORRECT ANS✔✔the positive electrode of the xray tube is the
b b b b b b b b b b b




cathode - CORRECT ANS✔✔the negative electrode of the xray tube is the
b b b b b b b b b b b




collimator - CORRECT ANS✔✔the device that restricts the xray beam to the area of
b b b b b b b b b b b b b




interest is the
b b b




collimator - CORRECT ANS✔✔lead shutters are part of the
b b b b b b b b




bucky assembly - CORRECT ANS✔✔the device that is located just under the xray table
b b b b b b b b b b b b b




and holds the image receptor in place is the
b b b b b b b b b




wall unit - CORRECT ANS✔✔upright radiographic examinations can easily be done with
b b b b b b b b b b b




a
b




control panel - CORRECT ANS✔✔the electricity applied to the tube during xray
b b b b b b b b b b b




production is controlled at the
b b b b b




ALARA (as low as reasonably achievable) - CORRECT ANS✔✔what principle
b b b b b b b b b




articulates the radiographers responsibility to minimize radiation exposure to the patient
b b b b b b b b b b b




oneself and others?
b b b




collimation - CORRECT ANS✔✔which of the following is NOT a cardinal principle for
b b b b b b b b b b b b




bminimizing radiation dose? b b




distance
shielding
collimaiton
time

decrease collimation - CORRECT ANS✔✔which of the following is NOT one of the
b b b b b b b b b b b b




btools/tasks or radiation? b b




decrease collimation b




increase kvp and decrease mAs b b b b




bavoid duplicate exams
b b




true - CORRECT ANS✔✔mass does not change with gravitational force?
b b b b b b b b b




true or false
b b




false - CORRECT ANS✔✔screening for pregnancy is not a task the radiographer would
b b b b b b b b b b b b




bperfom before a radiographic procedure on a female paient
b b b b b b b b




true or false
b b