10 Questions
Which landmark is used in determining the central ray location on posteroanterior (PA) chest projection?
Vertebra Prominens
What is the term used to describe the parts of the chest consisting of the lungs and the remaining thoracic organs contained in the mediastinum?
Thoracic Viscera
What is the extreme outermost lower corner of each lung, where the diaphragm meets the ribs?
Costophrenic Angle
Which part of the skeletal system provides a protective framework for the parts of the chest involved with breathing and blood circulation?
Bony Thorax
Which part of the body is easily and consistently located on patients and used as a landmark in chest positioning?
Vertebra Prominens
What is another name for Jugular Notch?
Manubrial or Suprasternal Notch
What is the normal range of the Cardiothoracic Ratio (CTR)?
0.42 to 0.5
Which region of the lung is considered when measuring the Cardiothoracic Ratio?
Hilar Region
In adults, what is considered as cardiomegaly based on the Cardiothoracic Ratio (CTR)?
0.5 to 0.55
In which view would the inner borders of the scapula be over the lung fields?
PA View
Test your knowledge of the topographic positioning landmarks for chest X-rays, including the Vertebra Prominens and Jugular Notch. Also covers the role of the bony thorax in protecting chest organs.
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