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Bony thorax
Thorax review questions
| Question | Answer |
|---|---|
| How much should the body be rotated for a PA oblique projection of the sternum? | 15-20 degrees |
| How many ribs attach directly to the sternum? | 7 |
| The approximate length of the sternum is ___ inches. | 6 |
| What is the respiration phase for a lateral projection of the sternum? | Suspended deep respiration |
| The easily palpable superior border of the manubrium is called the: | Jugular notch |
| The central ray enters at the level of ____ for a PA projection of the upper ribs. | T7 |
| Where should the patients hands be positioned for an upright lateral sternum? | Locked behind the back |
| The space between each of the ribs is called the: | Intercostal space |
| How much should the body be rotated for an AP or PA oblique projection of the ribs? | 45 degrees |
| Which projection and body position will demonstrate the sternum through the heart? | PA oblique projection, RAO position |
| Which ribs are called true ribs? | 1 to 7 |
| Which ribs are attached to vertebrae only? | 11 and 12 |
| Which SID is recommended for the lateral projection of the sternum for management of magnification? | 72” |
| Which ribs are demonstrated on an AP oblique projection? | Side closest to the IR |
| All of the following form the bony thorax except: | Clavicles (ribs, sternum, 12 thoracic vertebrae) |
| The CR enter at the level of ____ for a PA oblique projection of the sternum. | T7 |
| What is the respiration phase for the PA projection of the upper ribs? | Full inspiration |
| Where does the central ray enter for the lateral projection of the sternum? | Midsternum |
| Which breathing techniques can be used when performing an oblique projection of the sternum? | Expiration and slow shallow breathing |
| Which two body positions will project the left ribs clear of the heart? | RPO and LAO |
| Which projection and position of the sternum demonstrate the sternum free of superimposition of the ribs? | Lateral projection, right or left positioning |
| What is the respiration phase for the AP projection of the ribs below the diaphragm? | Full expiration |
| How far is the top of the 14x17 inch IR or exposure field placed above the upper border of the shoulder for projection of the ribs? | 1.5 inches |
| The phase of respiration for a PA projection of the sternoclavicular joints is: | Suspended at the end of expiration |
| Which of the following is the desired patient position for examination of the ribs above the diaphragm? | Upright |
| Which SID is recommended for the PA oblique projection of the sternum? | 30 inches |
| Ribs lie in an oblique plane in the thorax. How are the anterior ends situated in comparison to the posterior ends? | 3 to 5 inches lower |
| What are the functions of the bony thorax? | - Supports the walls of the pleural cavity - Protects the heart and lungs - Supports the diaphragm |
| Where is the bottom of the IR positioned for an AP projection of the ribs (below the diaphragm)? | At the iliac crest |