Flow and Pressure Flashcards

1
Q

Ventilation refers to the…

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2
Q

P alv refers to the…

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3
Q

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

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4
Q

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

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5
Q

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

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6
Q

F = ?

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7
Q

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

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8
Q

Boyle’s Law

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9
Q

Intrapleural Pressure

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10
Q

Elastic recoil is the property of…

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11
Q

Intrapleural pressure is…to atmospheric pressure

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12
Q

If the intrapleural pressure equaled the alveolar pressure…

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13
Q

Transpulmonary Pressure

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14
Q

The alveolar partial pressure should always be greater than the…

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15
Q

Transpulmonary pressure is static meaning that…

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16
Q

Transpulmonary pressure does not cause… but it does determine…

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17
Q

Sequence of Events During Inspiration

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18
Q

Sequence of Events During Expiration

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19
Q

Airway Resistance

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20
Q

Inertia of the respiratory system:

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21
Q

Resistive Forces

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22
Q

Laminar Flow

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23
Q

Transitional Flow

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24
Q

Turbulent Airflow

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25
Q

Poiseuille’s Law for Laminar Flow

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26
Q

The total airway resistance in healthy adults varies between…

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27
Q

The total airway resistance in the large airways is…

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28
Q

The total airway resistance in the small airways is…

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29
Q

Airway Resistance in Disease Conditions

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30
Q

Lung Compliance

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31
Q

A low lung compliance means that…

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32
Q

CL measures the

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33
Q

Lung compliance is determined by…

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34
Q

CL = ?

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35
Q

Emphysema

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36
Q

Pulmonary Fibrosis

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37
Q

Alveolar Surface Tension

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38
Q

How does surfactant prevent the lung from collapsing?

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39
Q

Surfactant hydrophillicand hydrophobic properties

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40
Q

Infant respiratory distress (IRDS):

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41
Q

Gas molecules are constantly in motion and this motion exerts…

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42
Q

Dalton’s Law:

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43
Q

Partial pressure of gases is calculated by…

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44
Q

Diffusion has a …relationship with surface area

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45
Q

Diffusion has a…relationship with thickness

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46
Q

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

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47
Q

The more soluble the gas is through that membrane…

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48
Q

The greater the molecular weight…

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49
Q

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

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50
Q

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

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51
Q

Determinants of Alveolar Oxygen and CO2 Partial Pressures

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