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33 Cards in this Set
- Front
- Back
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beginning of thoracic cavity?
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superior thoracic aperture
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bottom of thoracic cavity?
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inferior thoracic aperture
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what seperates thoracic from abdominal cavity?
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diaphragm
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anterior and posterior boudaries of thoracic cavity?
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sternum and thoracic spine
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central potential space in center of thoracic cavity?
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Mediastinum
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what contains all thoracic organs but lungs?
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Mediastinum
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respiratory organs?
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Trachea, Larynx, Bronchi and Lungs
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What is trachea made of?
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16-20 cartilaginous rings
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last ring has a hook like process called what?
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Carina (looks like a hook)
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Dimensions and location of trachea?
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midline in front of esophagus, 4 1/2" long and 3/4" diameter, from C6 to T4-5
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At the carina trachea divides into 2 primary what?
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bronchi
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why does the trachea shift slightly to the right?
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aorta
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why is there a greater risk of aspirating something into right lung?
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Right bronchus is more vertical and shorter
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what are the branches of lung from largest to smallest?
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Bronchi-secondary bronchi-tertiary bronchi-bronchioles-terminal bronchioles-alveolar ducts-alveolar sacs
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how many layers of lung membrane and what is it called?
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2, pleura
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difference between right and left lung?
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right has 3 lobes, left has 2, right is shorter due to liver, wider due to heart
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Inner cavity between lungs where nerves, blood vessels and lymph vessels enter
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Hilum
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lines seperating lobes of lung are called…..?
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fissures
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top of lung
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apex (apices-pl)
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bottom of lung
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costophrenic angle
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light spongy material making up lungs is called?
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perincama
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what is the notch in the left lung for?
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cardiac notch
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what part of the lung extends the lowest?
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posterior and both sides
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names of pleural membranes
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inner-visceral, outer-parietal
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what keeps lungs moving w/o friction
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fluid between pleural layers
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what is an infection in between pleural layers called?
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pleurisy
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area that fully inflated lungs expand into is called…?
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costodiaphragmic recess
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length and location of esophagus?
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9" from C6 to T11
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what gland in children can cause respiratory problems when enlarged?
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thymus
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where should CR be centered on PA chest?
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midline on spine at T7 (inf angle of scapula)
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why is an erect chest x-ray preferred to supine?
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blood vessels distorted and lungs not fully expanded on supine position
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7 good results of good PA chest radiograph
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1. see 10 posterior ribs, 2. sternoclavicular joints equal, 3. lungs fully expanded, 4. trachea filled with air, 5. can see diaphragm, 6. see heart and aortic arch, 7. see costophrenic angles
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5 additional results for lateral chest
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1. not foreshorting (distorted by not standing straight, 2. ribs superimposed-not to be seen posteriorly indicating rotation, 3. see hilum, 4. see entire lung, 5. no arm or shoulder seen
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