LRA 110 Final Exam *Q&A* (100% Correct) 2024/2025 |VERIFIED|
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Course
LRA
Institution
LRA
LRA 110 Final Exam *Q&A* (100%
Correct) 2024/2025 |VERIFIED|
Who discovered x-rays on November 8, 1895?
Wilhelm Conrad Roentgen
What was the first radiograph produced by Dr. Roentgen an image of?
His wife's hand
What is a radiation burn resulting from excessive exposure to x-ray...
LRA 110 Final Exam *Q&A* (100%
Correct) 2024/2025 |VERIFIED|
Who discovered x-rays on November 8, 1895?
Wilhelm Conrad Roentgen
What was the first radiograph produced by Dr. Roentgen an image of?
His wife's hand
What is a radiation burn resulting from excessive exposure to x-rays, commonly seen among early x-ray
patients and operators?
acute radiodermatitis
What is the unit of measure for power?
Watt
What type of energy is in a stored state?
potential energy
What is the term for energy being expended?
kinetic energy
What is the standard radiologic unit that quantifies radiation intensity?
roentgen
What unit quantifies the biological effect of radiation on humans and animals?
rad
1
, What unit quantifies occupational exposure or dose equivalent?
rem
What is the SI unit equivalent to the rad?
gray
What is the SI unit equivalent to the rem?
Sievert
Which SI radiologic unit accounts for different biological effects of various ionizing radiation types?
Sievert
What is the positive electrode of the x-ray tube?
anode
What is the negative electrode of the x-ray tube?
cathode
Which device restricts the x-ray beam to the area of interest?
collimator
What component contains lead shutters?
collimator
What device, located under the x-ray table, holds the image receptor in place?
bucky assembly
What allows for upright radiographic examinations?
2
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