Respiratory Pump and Lung Volumes

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Can you name the Respiratory Pump and Lung Volumes?

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QuestionAnswer
Where is the majority of the surface area of the lung located?
A ____ in surface area and a _____in membrane thickness can cause the lung to become diffusion limited.
given change in lung volume per given changes in pleural pressure
The internal intercostals and the abdominal muscle are important for ____.
T/F: During inspiration, the pressure in the alveolus become sub-atmospheric, allowing air from the atmosphere to move into the lungs.
Work during breath occurs on ____.
inversely proportional to lung compliance
pressure in the atmosphere is ___ cm h20
most important muscle for inspiration
Volume of air in the respiratory or alveolar airways (mL)
T/F: The terminal bronchioles are surrounded by smooth muscle
Principal(or Law) that provides the basis for airflow in the lung
T/F: Gas exchange ocurrs in the conducting airways.
Which gas is the first to be affected by a diffusion limited disorder?
patients with emphysema have a ____ lung compliance
Volume of air remaining in the lungs after a normal expiration
Volume of air than can be inhaled at the end of a normal breath
Maximal Volume that can be exhaled at the end of a tidal volume
Volume of air in lungs after maximal inspiration
T/F: A 'diffusion limited' A-a gradient is smaller than under normal circumstances.
T/F: An increase in particle size increases rate of diffusion
These bronchi are the site of highest resistance to airflow and are surrounded by smooth muscle
Volume of air that can be exhaled after normal expiration (=total lung capacity - residual volume)
Gas moves across the alveoli via _____ diffusion
Volume of air in the conducting airways (mL)
True or False: The rate of diffusion is proportional to the area of the membrane and inversely proportional to it thickness
T/F: During inspiration, the transpleural pressure difference becomes greater and allows for expansion of the lungs and alveoli.
Has Z numbers spanning from Z17-Z23
On average, how much time does an RBC spend in the respiratory airways (sec)?
QuestionAnswer
pressure difference between the alveoli and the pleural space is known as ____ ____.
As the diaphragm contracts. the volume increases in the pleural space. What happens to the pleural pressure?
Volume of air that can be exhaled as forcibly and rapidly as possible from total lung capacity
low partial pressure of oxygen in tissues
Z number or generation number for the trachea
pressure in the pleural cavity is normally ____ cm H2O at the end of a tidal volume breath
Volume of exhaled air with every breath is known as ____ volume.
Is the airflow in the conducting airways laminar or turbulent?
2 main forces that must be overcome during breathing?
Total volume of air in lungs after maximal inspiration
Which component of Fick's Law can be manipulated in the clincial setting?
If the transpulmonary pressure is +3, then the lungs are ____ (collapsing or expanding).
Volume of air in lungs after maximal expiration
low partial pressure of oxygen in blood
units for measurement of transpulmonary pressure
Average Lung Compliance for a tidal volume in L/cm H20 (Avg Volume = .5 and change in Pressure= 2.5)
Lung recoils is used during ____.
patients with pulmonary fibrosis have a ___ lung recoil
The diaphragm, the external intercostals, and the sternocleidomastoids are important for _____.
Normal Tidal Volume in liters
Maximal volume of air that can be inhaled after normal expiration (=tidal volume +IRV)
Function of these airways is to clean, condition, and warm air
Is the airflow in the respiratory or alveolar airways laminar or turbulent?
site of gas exchange in the lung
T/F:An Increase in molecule solubility increases rate of diffusion
Volume of air in lungs remaining after maximal expiration
Has a Z number that spans from Z0-Z16
Essential muscle in creating differences in transpleural pressure

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