Anatomy
How many cranial bones are there?
What does ALARA stand for
As low as reasonably achievable
What is a C-arm used for?
OR procedures
CR for a PA hand?
Perpendicular to the third MCP joint.
What are the technical factors for a PA chest?
110-125 kVp 2.5-3 mAs
How many pairs of paranasal sinuses are in the skull?
What is an arthrogram used for?
To evaluate joint conditions
Is air bright or dark on an ultrasound?
Bright
What is the CR for an AP foot?
Perpendicular to the base of the third metatarsal.
What are the technical factors for an AP hand?
50-60 kVp 2-4mAs
what suture separates the frontal bone to the parietal bones
Coronal Suture
What fluoroscopy mode reduces radiation by using short bursts
Pulse mode
What is the correct order of tissue densities?
Air, Fat, Fluid, Soft Tissue, Bone
What is the CR for a AP Knee?
1/2 inch below the patellar apex
What are the technical factors for an AP shoulder?
70-80 kVp 6-10 mAs
What separates the thoracic cavity to the abdominal cavity?
The diaphragm
The normal mA used for image intesified fluoro is about
1-5mA
What is the contrast medium used in MRI?
Gadolinium
What is the CR for an AP Shoulder
1 inch inferior to the coracoid process.
What are the technical factors for an AP pelvis?
75-85kVp 20-30mAs
What x-rays should you do for a trauma shoulder?
AP, Scapular Y, Modified axial projection
What does proper collimation do in fluoroscopy?
Reduces scatter and improves image quality
How many times more radiation do you get from an abdominal x-ray compared to a chest x-ray?
30
What is the CR for an AP Scapula?
2 inches inferior to the coracoid process.
What are the technical factors for a lateral skull?
75-80 kVp 20-25 mAs