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LRA 222 FINAL EXAM WITH CORRECT 120+ QUESTIONS WITH CORRECTRY ANALYZED ANSWERS (ACTUAL EXAM) ALREADY GRADED A+ LATEST 2024 – 2025 $12.99   Add to cart

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LRA 222 FINAL EXAM WITH CORRECT 120+ QUESTIONS WITH CORRECTRY ANALYZED ANSWERS (ACTUAL EXAM) ALREADY GRADED A+ LATEST 2024 – 2025

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LRA 222 FINAL EXAM WITH CORRECT 120+ QUESTIONS WITH CORRECTRY ANALYZED ANSWERS (ACTUAL EXAM) ALREADY GRADED A+ LATEST 2024 – 2025

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  • August 9, 2024
  • 59
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • LRA 222
  • LRA 222
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NurseLNJ
LRA 222 FINAL EXAM WITH CORRECT 120+
QUESTIONS WITH CORRECTRY ANALYZED
ANSWERS (ACTUAL EXAM) ALREADY
GRADED A+ LATEST 2024 – 2025




With half wave rectification the current flow through the x-ray tube during
the______ part of this cycle - ANSWERS-Positive



The _______ circuit provides electrons for the x-ray tube current - ANSWERS-
filament



The three main parts of the x-ray imaging system are the x-ray
tube,_____,and______ - ANSWERS-Operating consul, high voltage generator



The first component to receive power in the x-ray circuit is - ANSWERS-
autotransformer

,The difference in the wave form between the primary and secondary sides of the
high voltage transformer is the - ANSWERS-Amplitude



The most widely used support structure for the x-ray tube is the - ANSWERS-
ceiling support system



Because of the line focus principal, the effective focal spot size decreases with
decreasing _____. - ANSWERS-target angle



The filament is made of - ANSWERS-Tungsten



A single-phase waveform has _____ ripple. - ANSWERS-100%



The cathode side of the tube should be directed toward the _____ part of the
patient. - ANSWERS-thicker



Voltage across the x-ray tube is most constant with - ANSWERS-high frequency
generators



The step-up transformer increases voltage _____ times. - ANSWERS-500-1000
times



The _____is the source of radiation in the x-ray tube - ANSWERS-Focal spot

,What is the most common cause of tube failure? - ANSWERS-Tungsten
vaporization



In modern imaging systems, the components for rectification are - ANSWERS-solid
state semiconductors



The filament in an x-ray tube is about _____ cm in length. - ANSWERS-1-2 cm



Each tube has its own rating tube chart to show - ANSWERS-Maximum exposure
time



As an x-ray tube ages, the inside can become coated with tungsten, which can
cause _____ in the tube. - ANSWERS-arcing



The mAs timer is usually set to give the ____ mA at the ________ time -
ANSWERS-highest, shortest



The target of the rotating an anode is usually coated with a ____ alloy -
ANSWERS-Tungsten



The heel effect is caused by the - ANSWERS-anode angle

, The automatic exposure control terminates the exposure when - ANSWERS-
sufficient radiation reaches the image receptor



The negative side of the x-ray tube holds the - ANSWERS-filament



The effective focal spot size is _____ the actual focal spot size. - ANSWERS-smaller
than



Full wave rectified, three phase units provide an x-ray beam at _______ pulses
per second - ANSWERS-360



A diode allows electrons to flow from - ANSWERS-cathode to anode



A step-down transformer is located in the _____ circuit. - ANSWERS-filament



The_______ are outside the glass envelope - ANSWERS-Stators



The x-ray beam generated by the circuit with the______ voltage ripple has
the____ quantity and quality - ANSWERS-Lowest, highest



Most mammography units operate with _____ generators. - ANSWERS-high
frequency

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