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7-15 thoracic wall
Question | Answer |
---|---|
How many ribs are there? | 12 pairs |
What ribs are classified as true? | 1-7 |
What ribs are classified as false? | 8-12, 11-12 are floating |
What two bones articulate at the 2nd rib? | Manubrium and sternum |
What ribs connect vertebrae to sternum? | True ribs |
What ribs articulate to each other or not at all? | False ribs |
What are floating ribs for? | Muscle attachments and kidney protection |
What bone gets broken during CPR? | Xiphoid process |
What part of the rib attaches to the costal facets on vertebral bodies? | Superior facet |
What part of the rib articulates with transverse processes? | Tubercle |
What is the weakest area of the rib? | Costal angle |
What runs in the costal groove? | Nerves, arteries, veins |
What four ribs are atypical? | 1st, 2nd, 11th, 12th |
What transverse process does rib 4 articulate with? | T4 |
What two vertebral bodies does rib 4 articulate with? | 3 and 4 |
What forms the inferior border of the thoracic cavity? | Diaphragm |
What does the serratus posterior inferior do? | Proprioception |
What is the name for the aponeurosis? | External intercostal membrane |
What muscles are found in the lateral aspect of the rib cage? | Innermost intercostals |
What muscle do you use during relaxed breathing? | Diaphragm |
Where does the posterior intercostal artery come from? | Throacic aorta |
Where does the anterior intercostal artery come from? | Internal throacic artery |
Where are the intercostal nerves found? | Innermost intercostal muscles |
Where is the parietal pleura found? | Surrounding the organ, lines the cavity |
Where is the visceral pleura found? | Lines inside of organs |
What makes lungs blue? | Carbon deposits |
What are the corner and space called where the lateral and inferior borders of the lung meet? | Costodiaphragmatic space and corner |
What are four common things that can break lung surface tension and cause a lung to collapse and what is the technical term? | Air- pneumothorax Lymphatics- chylothorax Water- hydrothorax Blood- hemothorax |
What is thoracocentesis? | Removal of excess fluid in the lungs |
External intercostal OINA | O- inferior border of ribs I- superior border of ribs below N- intercostal nerve A- elevate ribs during forced inspriation |
Internal intercostal OINA | O- inferior border of ribs I- superior border of ribs below N- intercostal nerve A- forced/active respiration |
Innermost intercostal OINA | O- inferior border of ribs I- superior border of ribs below N- intercostal nerve A- forced/active respiration |
Transversus throacis OINA | O- posterior surface of lower sternum I- internal surface of costal cartilages 2-6 N- intercostal nerve A- weakly depresses ribs |