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ARRT KETTERING EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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ARRT KETTERING EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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ARRT KETTERING EXAM 2024/2025 WITH100% ACCURATE SOLUTIONS
An image that demonstrates low contrast can be caused from:
1. High mAs
2. Low kVp
3. Insufficient beam restriction-Answer ✔✔3 only
Which of the following interactions with matter reduce contrast in an x-
ray image?-Answer ✔✔Compton scattering
From anatomical position, pronating the hand will result in the palm
facing ____.-Answer ✔✔Posteriorly
The maximum variation between consecutive exposures when using the
same technical factor is:-Answer ✔✔within 5%
An atom containing three protons and three neutrons in its nucleus has a
(an):-Answer ✔✔atomic number of 3
What term is applied to the level of medical asepsis that involves the
destruction of pathogens by using chemical materials?-Answer
✔✔Disinfection
,Why is it important for a patient to have their knees flexed for an AP
projection of the lumbar spine?-Answer ✔✔to reduce the lordotic
curvature of the lumbar spine and open up the joint spaces
Which of the following is an accepted standard for networking medical
devices to exchange images and information regardless of the brand of
equipment?-Answer ✔✔DICOM
The portion of the image intensifier device that is responsible for
converting light photons into free electrons is the:-Answer
✔✔photocathode
With increasing levels of beam filtration where will the greatest dose
savings be realized?-Answer ✔✔In the initial layers of tissue struck by
the beam
What kind of fracture is this?-Answer ✔✔compound
With all other technical factors remaining constant, what effect(s) will
increasing amounts of filtration have on the X-ray beam? 1. decrease
patient skin exposure 2. decrease the measurement of the shortest
wavelength present within the beam
3. harden the X-ray beam
4. increase the percentage of beam penetration through the objects of
interest-Answer ✔✔1, 3, and 4 only
, Which of the following anatomic structures is best demonstrated in the
LAO position while performing a BE?-Answer ✔✔Splenic flexure
A bit depth of 9 will result in how many shades of gray?-Answer
✔✔512 (2^9)
The bucky slot cover of a fluoroscopic unit must provide a minimum
lead equivalent absorption equal to ___mm of lead.-Answer ✔✔.25 mm
What should be the technologist's first response upon discovering a fire
has broken out in a patient holding area?-Answer ✔✔evacuate any
patients from the area
The central ray is directed to a point 5 cm (2") distal to the ___ when
performing an AP projection of the scapula.-Answer ✔✔Coracoid
process
A decrease in beam filtration will have what effect on radiographic
image contrast?-Answer ✔✔contrast will increase
The greatest spatial resolution will be seen with which of the following
image matrix sizes?-Answer ✔✔2048x2048
A threshold dose-response relationship is seen in which of the following
types of radiation-induced cancers?-Answer ✔✔skin
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