radiographic technique (part II)
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10 Terms
identify one advantage of using a large focal spot size as it related to radiographic image quality. in other words, what will it reduce or elliminate?
minimize motion
what is microfocus?
focal spot sizes of 0.3mm or less
what is the purpose of inherent and added filters?
hardening the beam
what are the inherent filter properties (thickness and material)?
metal & glass envelope, 0.5 mm Al equivalency
in regards to the anode heel effect, which side of the beam is intensity the greatest?
cathode side
when taking an x-ray of the foot, which side of the x-ray rube should the toes be places?
anode side
how many pulses are produced in a 3-phase, fully rectified generator?
12 pulses
what is the percentage of “rippling” for high-frequency generators?
less than 1%
define radiopaque and give an example
radiopaque could be bone or metal, which is difficult to penetrate
is kV increased or decreased for a patient having osteoporosis?
decreased