Science Quiz / Respiratory Pump and Lung Volumes

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Can you name the Respiratory Pump and Lung Volumes?

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Score 0/57 Timer 15:00
As the diaphragm contracts. the volume increases in the pleural space. What happens to the pleural pressure?
The internal intercostals and the abdominal muscle are important for ____.
Volume of air that can be exhaled as forcibly and rapidly as possible from total lung capacity
Function of these airways is to clean, condition, and warm air
2 main forces that must be overcome during breathing?
pressure difference between the alveoli and the pleural space is known as ____ ____.
T/F: During inspiration, the transpleural pressure difference becomes greater and allows for expansion of the lungs and alveoli.
Work during breath occurs on ____.
Has a Z number that spans from Z0-Z16
On average, how much time does an RBC spend in the respiratory airways (sec)?
inversely proportional to lung compliance
given change in lung volume per given changes in pleural pressure
Essential muscle in creating differences in transpleural pressure
A ____ in surface area and a _____in membrane thickness can cause the lung to become diffusion limited.
patients with emphysema have a ____ lung compliance
Where is the majority of the surface area of the lung located?
Has Z numbers spanning from Z17-Z23
Total volume of air in lungs after maximal inspiration
If the transpulmonary pressure is +3, then the lungs are ____ (collapsing or expanding).
T/F: During inspiration, the pressure in the alveolus become sub-atmospheric, allowing air from the atmosphere to move into the lungs.
Volume of air in the conducting airways (mL)
T/F: A 'diffusion limited' A-a gradient is smaller than under normal circumstances.
True or False: The rate of diffusion is proportional to the area of the membrane and inversely proportional to it thickness
T/F: Gas exchange ocurrs in the conducting airways.
site of gas exchange in the lung
The diaphragm, the external intercostals, and the sternocleidomastoids are important for _____.
Volume of air remaining in the lungs after a normal expiration
Average Lung Compliance for a tidal volume in L/cm H20 (Avg Volume = .5 and change in Pressure= 2.5)
Volume of air in lungs after maximal inspiration
Volume of air in lungs after maximal expiration
Is the airflow in the conducting airways laminar or turbulent?
Normal Tidal Volume in liters
Z number or generation number for the trachea
units for measurement of transpulmonary pressure
Is the airflow in the respiratory or alveolar airways laminar or turbulent?
pressure in the pleural cavity is normally ____ cm H2O at the end of a tidal volume breath
most important muscle for inspiration
Volume of air than can be inhaled at the end of a normal breath
Volume of air in lungs remaining after maximal expiration
pressure in the atmosphere is ___ cm h20
These bronchi are the site of highest resistance to airflow and are surrounded by smooth muscle
patients with pulmonary fibrosis have a ___ lung recoil
Volume of exhaled air with every breath is known as ____ volume.
low partial pressure of oxygen in blood
Maximal volume of air that can be inhaled after normal expiration (=tidal volume +IRV)
T/F:An Increase in molecule solubility increases rate of diffusion
Which gas is the first to be affected by a diffusion limited disorder?
Principal(or Law) that provides the basis for airflow in the lung
Which component of Fick's Law can be manipulated in the clincial setting?
Maximal Volume that can be exhaled at the end of a tidal volume
T/F: An increase in particle size increases rate of diffusion
T/F: The terminal bronchioles are surrounded by smooth muscle
Gas moves across the alveoli via _____ diffusion
Volume of air in the respiratory or alveolar airways (mL)
Lung recoils is used during ____.
low partial pressure of oxygen in tissues
Volume of air that can be exhaled after normal expiration (=total lung capacity - residual volume)

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