Podcast
Questions and Answers
Which part of the sternum is located in the upper portion?
Which part of the sternum is located in the upper portion?
What distinguishes true ribs from false ribs?
What distinguishes true ribs from false ribs?
At which vertebral level is the jugular notch located?
At which vertebral level is the jugular notch located?
Which ribs are classified as floating ribs?
Which ribs are classified as floating ribs?
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What is the recommended SID for lateral sternum imaging?
What is the recommended SID for lateral sternum imaging?
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Which ribs connect indirectly to the sternum via the costocartilage of rib 7?
Which ribs connect indirectly to the sternum via the costocartilage of rib 7?
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What is the proper positioning for the central ray when imaging the sternum?
What is the proper positioning for the central ray when imaging the sternum?
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During a PA sternoclavicular joint examination, what is the size of the IR used?
During a PA sternoclavicular joint examination, what is the size of the IR used?
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What is the appropriate CR location for the SC joints?
What is the appropriate CR location for the SC joints?
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Which ribs are demonstrated in the AP projection above the diaphragm?
Which ribs are demonstrated in the AP projection above the diaphragm?
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In a posterior oblique position, which ribs are best demonstrated below the diaphragm?
In a posterior oblique position, which ribs are best demonstrated below the diaphragm?
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When performing the PA bilateral anterior ribs, what is the recommended KVP range?
When performing the PA bilateral anterior ribs, what is the recommended KVP range?
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For a left posterior oblique rib projection, how is the affected side positioned?
For a left posterior oblique rib projection, how is the affected side positioned?
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What respiration technique should be used when imaging the ribs above the diaphragm?
What respiration technique should be used when imaging the ribs above the diaphragm?
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What is the IR size for the anterior oblique projections of the SC joints?
What is the IR size for the anterior oblique projections of the SC joints?
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Which anatomical structures are best visualized in a right anterior oblique (RAO) position?
Which anatomical structures are best visualized in a right anterior oblique (RAO) position?
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Study Notes
Bony Thorax
- Composed of the sternum (anteriorly) and thoracic vertebrae (posteriorly).
- 12 pairs of ribs connect the sternum to the vertebral column.
Sternum
- Flat bone divided into three parts: manubrium (upper), body (middle), and xiphoid process (inferior).
- Approximately 7 inches long in adults.
Ribs
- Numbered 1-12, based on the thoracic vertebrae they attach to.
- True ribs (1-7): connect directly to the sternum via costal cartilage.
- False ribs (8-10): connect indirectly to the sternum via costal cartilage of rib 7.
- Floating ribs (11-12): lack connection to the sternum, no costal cartilage.
Palpable Landmarks
- Jugular notch: level of T2-T3 vertebrae.
- Sternal angle: manubriosternal joint, level of intervertebral disk between T4 and T5.
- Xiphoid process: inferior tip of sternum, located at T9-T10.
- Inferior rib (costal) angle: aka inferior costal margin, L2-L3.
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Description
This quiz covers the anatomy of the bony thorax, including the sternum, ribs, and their respective characteristics. Explore the structure and landmarks associated with the thoracic region, from the manubrium to the floating ribs. Test your knowledge of the connections and classifications of these key components in human anatomy.
