# Science / Respiratory Pump and Lung Volumes

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## Can you name the Respiratory Pump and Lung Volumes?

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15:00
Which component of Fick's Law can be manipulated in the clincial setting?
pressure in the pleural cavity is normally ____ cm H2O at the end of a tidal volume breath
T/F: The terminal bronchioles are surrounded by smooth muscle
If the transpulmonary pressure is +3, then the lungs are ____ (collapsing or expanding).
Maximal volume of air that can be inhaled after normal expiration (=tidal volume +IRV)
Average Lung Compliance for a tidal volume in L/cm H20 (Avg Volume = .5 and change in Pressure= 2.5)
T/F: During inspiration, the transpleural pressure difference becomes greater and allows for expansion of the lungs and alveoli.
T/F: During inspiration, the pressure in the alveolus become sub-atmospheric, allowing air from the atmosphere to move into the lungs.
low partial pressure of oxygen in tissues
T/F: An increase in particle size increases rate of diffusion
On average, how much time does an RBC spend in the respiratory airways (sec)?
Principal(or Law) that provides the basis for airflow in the lung
The internal intercostals and the abdominal muscle are important for ____.
True or False: The rate of diffusion is proportional to the area of the membrane and inversely proportional to it thickness
Volume of air remaining in the lungs after a normal expiration
Is the airflow in the conducting airways laminar or turbulent?
The diaphragm, the external intercostals, and the sternocleidomastoids are important for _____.
Volume of air that can be exhaled as forcibly and rapidly as possible from total lung capacity
Volume of air in the respiratory or alveolar airways (mL)
Volume of exhaled air with every breath is known as ____ volume.
T/F: A 'diffusion limited' A-a gradient is smaller than under normal circumstances.
inversely proportional to lung compliance
Volume of air in lungs after maximal inspiration
Where is the majority of the surface area of the lung located?
Function of these airways is to clean, condition, and warm air
patients with pulmonary fibrosis have a ___ lung recoil
Volume of air in lungs remaining after maximal expiration
Normal Tidal Volume in liters
units for measurement of transpulmonary pressure
given change in lung volume per given changes in pleural pressure
Has a Z number that spans from Z0-Z16
Total volume of air in lungs after maximal inspiration
A ____ in surface area and a _____in membrane thickness can cause the lung to become diffusion limited.
Is the airflow in the respiratory or alveolar airways laminar or turbulent?
T/F:An Increase in molecule solubility increases rate of diffusion
Volume of air that can be exhaled after normal expiration (=total lung capacity - residual volume)
patients with emphysema have a ____ lung compliance
site of gas exchange in the lung
Z number or generation number for the trachea
As the diaphragm contracts. the volume increases in the pleural space. What happens to the pleural pressure?
low partial pressure of oxygen in blood
Volume of air than can be inhaled at the end of a normal breath
pressure in the atmosphere is ___ cm h20
2 main forces that must be overcome during breathing?
Volume of air in lungs after maximal expiration
T/F: Gas exchange ocurrs in the conducting airways.
pressure difference between the alveoli and the pleural space is known as ____ ____.
Essential muscle in creating differences in transpleural pressure
Has Z numbers spanning from Z17-Z23
Maximal Volume that can be exhaled at the end of a tidal volume
most important muscle for inspiration
Lung recoils is used during ____.
Work during breath occurs on ____.
These bronchi are the site of highest resistance to airflow and are surrounded by smooth muscle
Which gas is the first to be affected by a diffusion limited disorder?
Volume of air in the conducting airways (mL)
Gas moves across the alveoli via _____ diffusion

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