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NURS300 final oxygenation Questions and Answers (100% Pass) $11.49   Add to cart

Exam (elaborations)

NURS300 final oxygenation Questions and Answers (100% Pass)

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  • Course
  • NURS300
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  • NURS300

ventilation process of moving gases in and out of the lungs diffusion exchange of respiratory gases across alveoli capillary membrane perfusion cardiovascular system pumping blood to and from the lungs and body How do gases move into & out of the lungs? - intrapleural pressure is negativ...

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  • October 2, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NURS300
  • NURS300
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1 | P a g e | © copyright 2024/2025 | Grade A+




NURS300 final oxygenation
Questions and Answers (100% Pass)
ventilation


✓ process of moving gases in and out of the lungs




diffusion


✓ exchange of respiratory gases across alveoli capillary membrane




perfusion


✓ cardiovascular system pumping blood to and from the lungs and body




How do gases move into & out of the lungs?


✓ - intrapleural pressure is negative, less than atmospheric pressure

- in order for air to flow into the lungs intrapleural pressure becomes more

negative creating a pressure gradients between the atmosphere and the

alveoli


- the diaphragm & external intercostal muscles contract to create negative

pleural pressure increases the size of the thorax for inspiration


- relaxation of the diaphragm & contraction of the internal intercostal muscles

allow air to escape from lungs


Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+




work of breathing


✓ the product of pressure and volume for each breath




inspiration


✓ breathing in (inhalation)




expiration


✓ breathing out (exhalation)




surfectant


✓ coats walls of alveolus and prevents collapse




atelectasis


✓ a condition where alveoli in your lung or a part of your lung deflates,

causing a partial or complete collapsed lung




compliance




Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

✓ the total compliance of both lungs, measuring the extent to which the

lungs will expand (change in volume of lungs)




airway resistance


✓ the increase in pressure that occurs as the diameter of the airways

decreases from mouth/nose to alveoli.




tidal volume


✓ Amount of air that moves in and out of the lungs during a normal

breath




residual volume


✓ Amount of air remaining in the lungs after a forced exhalation




forced vital capacity


✓ the maximum amount of air that can be removed from the lungs

during forced expiration




spirometry


✓ a measurement of breathing (or lung volumes)




Master01 | September, 2024/2025 | Latest update

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