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what are the five areas of the thorax?
inlet, outlet, pleural cavities, anterior thoratic wall (mammary gland & muscles) mediastinum
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identify boundaries and content of the pleural cavity?
- lungs
- inferior:diaphram
- superior:
- anterior:
- posterior:
- lateral:
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identify the boundaries and content of the pericardium cavity?
heart
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identify the boundaries and content of the mediastinum cavity?
contents: brachiocephalic vein, superior vena cava, vagus nerve and recurrent laryngeal nerve, phrenic nerve, heart and great vessels, trachea and primary bronchi, inferior vena cava
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_______ of the neck is the inlet of the thorax
root
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outlet of thorax is the ___________
diaphram
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the xiphoid process is the midline for what structure(s)? superior level of the _________, central tendon of the _________, inferior border of ___________
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when numbering the ribs ___________ _________ is the first landmark to identify before you start counting.
Sternal Angle
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the _____________what prevents the first rib from being palpated
clavicle
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identify intrinsic muscles of the thoratic wall: _______________intercostals(superficial) , ______________ intercostals (middle), ___________ intercostals(deep)
- External Intercostal mm. (Elevate)(superficial)
- Anteriorly replaced by membrane
- Internal Intercostal mm. (Depress)(middle)
- Posteriorly replaced by membrane
- Innermost Intercostal mm. (Depress)
- Only found in most lateral of Space(deep)
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__________ intercostals -posteriorly, the muscle is replaced by ___________ intercostal membrane -fibers angled backwards -expiration=lowers ribs
internal
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__________ intercostals -anteriorly, the muscle is replaced by ___________ intercostal membrane. It is superficiial and elevates.
external
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___________ intercostals are only found in the most lateral of space (deep), and depresses
Innermost
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the main thoratic lymphatic duct empties into the venous system near the union of the _________ _________ ________and the ___________ veins
left internal jugular and subclavian veins
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___________ ___________excess connective tissue fluid (lymph is the fluid that is formed when interstital fluid enters the initial lymphatic vessels of the lymphatic system)
lymph fluid
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the main thoracic lymphatic duct empties into the venous system
near the union of the ________ ________ jugular and the ____________
vein
left internal jugular and subclavian veins
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_________ lymph drains right side of head and neck and right upper limb.___________ duct drains remainder of body.
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_______ system is dominant on the right side of the body while the ________system is dominant on the lef
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The _____________ lymph node is the first lymph node to which cancer is likely to spread from the primary tumor. Cancer cells may appear in the __________ node before spreading to other lymph nodes. In some cases, there can be more than one ________ lymph node.
sentinel
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Breast Tissue extends into the __________
(Axillary Tail)
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