Rad Review Easy Part 2
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What is best demonstrated in 45 degree RAO?
Left axillary ribs
Congruence of the x-ray beam with the light
field is tested using?
What is demonstrated in a 25 degree RPO position with the CR entering 1” medial to the elevated ASIS?
Left SI joint
Conditions in which there is a lack of normal
bone calcification include?
Rickets & Osteomalacia
What technical change would BEST remedy the
effect of very dissimilar tissue densities?
High kV factors
Which x-ray circuit devices are between the
incoming power supply and the primary coil of the high-voltage transformer?
Timer, kV meter & autotransformer
AP oblique, lateral rotation, of the elbow
- Radial head free from superimposition
- Capitulum of the humerus
Dorsal decubitus demonstrates what?
- Fluid in posterior chest
- Air in anterior chest
Caldwell image (ethmoid/frontal sinus image)
Patient erect PA, chin extended OML forming 15 degree angle
As the image intensifier’s FOV is reduced, how
is the resulting image affected?
- Magnification increased
- Brightness decreased
- Quality increased
In 45 degree medial oblique of ankle:
Tibiofibular joint is visualized & plantar surface should be vertical
List in order of proximal to distal:
- ascending colon
- splenic flexure
- sigmoid colon
Patient PA, MSP parallel with grid, OML 37
degrees to IR, CR perpendicular and exiting the acanthion, what’s best demonstrated?
Which quantity of filtration is used in mammo?
0.5 mm Al (smallest one)
What terms are used to express resolution?
Line – spread function & line pairs per millimeter
Use of a portion of the input phosphor during
fluoro, rather than the entire input phosphor will result in:
Magnified image and improved spatial resolution
Secondary center of ossification in long bones
AP projection of the scapula:
- Patient arm is abducted at RT angle to body
- Patient elbow is flexed with hand supinated
- Exposure is made during quiet breathing
A spontaneous fracture most likely would be associated with
A flat and upright abdomen is requested on an acutely ill patient, to demonstrate the presence of air-fluid levels. Because of the patient's condition, the x-ray table can be tilted upright only 70° (rather than the desired 90°). How should the central ray be directed?
Parallel to the floor
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