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RAD 100 Final Review

QuestionAnswer
Understand the Principle of Diagnostic Yield Diagnostic yield is the amount of clinically useful information that can be obtained from a medical image.
Explain the Principle of Diagnostic Efficiency Diagnostic efficiency refers to the quality of the image taken compared to the radiation dose and time spent.
What is the correct SID used in a chest x-ray 75in
How many views are always needed 2 views 90 degrees from each other
Erect, facing IR, right side touching IR, body rotated 45 degrees: what position? Right anterior oblique (RAO)
When is a grid generally needed? When the body part is over 10cm
What is a radiographic projection? The path and direction of the CR through the patient to the image recepto
Where are weights placed for an AC joint weight-bearing study? Suspend weights from the wrists rather than having the patient grip them
How should the CR be angled for the scapular Y projection? Perpendicular to the IR.
How many carpal bones are in the wrist? 8
What landmarks should be demonstrated on an AP elbow? The medial and lateral epicondyles.
Where is the CR centered for a PA hand? At the third MCP join
Which projection best demonstrates the wrist joint and intercarpal spaces? The PA wrist.
What are common positioning landmarks for the chest? Vertebra prominens and jugular notch.
What structure acts as a lid over the larynx? The epiglottis.
Created by: user-2046065
 

 



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