A -- Lung, Trachea, and Bronchi Sturcture
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| Question |
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| Answer |
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| The trachea begins at the level of what vertebrae? |
C6 |
| What is the name of the cartilage over the larynx? |
cricoid |
| At what level does the trachea end (branch into primary bronchus)? |
The level of the inferior border of T4 or the intervertebral disc between T4/T5 |
| The division of the trachea into Rt and Lt primary bronchus is maked interiorly by what structure? |
carina |
| Describe the posterior wall of the trachea. |
fibromuscular membrane |
| What is the shape of the tracheal cartilages? |
U-shaped |
| The arch of the aorta is anatomically related in what way to the trachea? |
anteriorly |
| The left brachiocephalic vein is anatomically related in what way to the trachea? |
anteriorly |
| The esophagus is anatomically related in what way to the trachea? |
posteriorly |
| The arch of the azygos vein is anatomically related in what way to the trachea? |
to the right |
| The left recurrent laryngeal nerve is anatomically related in what way to the trachea? |
in the groove between trachea and esophagus |
| This bronchus wider, shorter, and more vertical? |
the right bronchus |
| The apex of the lung projects _______________ and is about 1.5 in. above the __________________. |
upward, clavicle |
| The base of the lung is also know as what surface? |
diaphragmatic |
| This is a depression in the medistinal surface of the lung which bronchi, blood and lymph vessels, and nerves enter or leave? |
hilum |
| The bronchi, blood and lymph vessels, and nerves that enter or leave the lung are know collectively as what? |
root of the lung |
| Which of the lungs is larger? |
right lung |
| The impression for the arch of the aorta would be noted on which lung's medistinal surface? |
left |
| The impression for the arch of the azygos vein would be noted on the mediatinal surface of which lung? |
right |
| The cardiac impression is larger on the mediastinal surface of which lung? |
left |
| These are functional and structurely independent units of the lung lobes, also known as _________________ bronchi? |
bronchopulonmary segments, segmental or tertiary bronchi |
| The veins of the bronchopulmonary segments are arrangement in what relationship to the segments? |
intersegmental (lie in connective tissue between segments) |
| The superior lingular segment would be found in which lung? |
the left lung |
| The root of each lung contains how many pulmonary arteries? |
1 per lung |
| The root of each lung contains how many pulmonary veins? |
2 per lung |
| Which lungs pulmonary artery lies anterior to the principle bronchus of that lung? |
right lung |
| In the left lung the pulmonary artery is anatomical related in what way to the bronchus? |
superiorly |
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