andP CH 22 Assignment-Google Chrome https://session.masteringaandp.com/myct/item
ID: 3520924 • Letter: A
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andP CH 22 Assignment-Google Chrome https://session.masteringaandp.com/myct/itemView?assignmentProblemID- 108313209 Assignment B came in to the ER with two broken ribs and a punctured lung Why did they have to insert a chest tube into his pleural spac Atmospheric pressure( Patm) 760 mm Hg (0 mm Hg used as referencel Chest wal Pleural sac 756 mm Hg (-4 mm Hg relative to atmosphere) Intra-alveolar pressure Paly 760 mm Hg (0?Hg relative to atmosphere) | Chest wall Transpulmonary pressure- palv-Pip-4mm Hg Lung al sac Elastic recoll of lung Elastic recoil of chest wall Volume ofair in lungs is at functional residual capacity Force due to negative intrapleural pressure laphragm ta) Ib) Chest The figure shows the pneumothorax mechanism. When the pleural sac communicates with the en pneumethorax causes an uncoupling of the lung from the chest wall. Lung mm Hg Pp -4 mmHg CHExplanation / Answer
B. A healthy person inhales by lowring the diaphragm and expanding the chest walls outwards.
2. This increases the size of the chest cavity like pulling the plunger back
3. As a result the air pressure in the chest cavity decreases
4. And air flows in through trachea inflating the lungs.
I cannot see the other questions clearly .kindly repost them with appropriate picture.
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