Flow and Pressure Flashcards by Rachel Wheeler | Brainscape

Q

Ventilation refers to the…

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Q

P alv refers to the…

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Q

When alveolar partial pressure is less than the atmospherical partial pressure…

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Q

When alveolar partial pressure is greater than the atmospherical partial pressure…

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Q

When there is no air flow in or out of the lungs, the pressures throughout the…

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Q

F = ?

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Q

When atmospherical partial pressure is equal to alveolar partial pressure the…

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Q

Boyle’s Law

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Q

Intrapleural Pressure

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Q

Elastic recoil is the property of…

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Q

Intrapleural pressure is…to atmospheric pressure

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Q

If the intrapleural pressure equaled the alveolar pressure…

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Q

Transpulmonary Pressure

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Q

The alveolar partial pressure should always be greater than the…

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Q

Transpulmonary pressure is static meaning that…

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Q

Transpulmonary pressure does not cause… but it does determine…

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Q

Sequence of Events During Inspiration

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Q

Sequence of Events During Expiration

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Q

Airway Resistance

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Q

Inertia of the respiratory system:

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Q

Resistive Forces

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Laminar Flow

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Transitional Flow

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Turbulent Airflow

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Poiseuille’s Law for Laminar Flow

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Q

The total airway resistance in healthy adults varies between…

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The total airway resistance in the large airways is…

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The total airway resistance in the small airways is…

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Airway Resistance in Disease Conditions

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Lung Compliance

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A low lung compliance means that…

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CL measures the

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Lung compliance is determined by…

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CL = ?

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Emphysema

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Pulmonary Fibrosis

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Alveolar Surface Tension

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How does surfactant prevent the lung from collapsing?

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Surfactant hydrophillicand hydrophobic properties

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Infant respiratory distress (IRDS):

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Q

Gas molecules are constantly in motion and this motion exerts…

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Dalton’s Law:

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Partial pressure of gases is calculated by…

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Diffusion has a …relationship with surface area

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Diffusion has a…relationship with thickness

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The greater the difference in pressure between two side of a membrane the…

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The more soluble the gas is through that membrane…

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The greater the molecular weight…

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Q

The partial pressure of Co2 is greater in the alveoli while the partial pressure of oxygen is…

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Q

The partial pressure of oxygen is greater in the atmosphere than the alveoli:

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Q

Determinants of Alveolar Oxygen and CO2 Partial Pressures

A