Chapter 1
How many projections are required for imaging a joint?
What is the minimum number of ribs for inspiration?
10 ribs
What are the three cardinal principles of radiation safety?
Distance, time and shielding
Which carpal bone is fractured most frequently?
Scaphoid
Which part of the shoulder is located over the rib cage?
The clavicle
1895
What is one reason for an erect chest position?
Demonstrates air-fluid levels
Allows diaphragm to move further down
Prevents engorgement of pulmonary vessels
What major muscle should be demonstrated on a KUB?
KUB should demonstrate the psoas major muscle.
Where should your CR be for a PA Finger?
CR should be at the PIP.
Greater tubercle is lateral in profile
External rotation
How many bones are in the axial skeleton?
80 bones
Why does the patient's arms need to be raised in a lateral chest x-ray?
In order to see all of the lungs
Where do you center for an AP abdomen?
Center to the iliac crest
Capitate
Lesser tubercle is medial profile
What projection would you use to radiograph the chest?
Apical Lordotic Projection
Which projection should the sagittal plane be parallel with the IR?
Lateral Projection
Which region is the bladder located in?
What is the reasoning for performing an AP forearm versus a PA forearm?
The radius and ulna are crossing in the PA position.
Greater tubercle is anterior but still lateral to lesser tubercle
What body habitus has a large, broad frame?
Hypersthenic
What are the technical factors for a chest x-ray?
High kV
High mA, short exposure time
What are the exposure factors for a KUB?
digital kVp, short exposure time
What should you do if a patient cannot straighten their arm from a 45 degree angle?
Take two images. The first should be the forearm parallel to the IR and the second should be the humerus parallel to the IR.
What is the name of the lateral aspect of the clavicle?
Acromial extremity