Car/Pul Final Exam Word Scramble
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| Question | Answer |
| List the 4 accessory muscle of Inspiration? | 1. Scalenes 2. Sternocleidomastoid 3. Pectoralis Major 4. Trapezius |
| Compliance is best described as what? | Distensibility |
| Formula for Compliance? | Volume Change/ Unit Pressure Change |
| What is normal Lung Compliance? | 0.2L/cmH2O |
| What is normal Thoracic Compliance? | 0.2L/cmH2O |
| What is normal Total Lung Compliance? | 0.1L/cmH2O |
| Formula for Total Lung Compliance? | 1/CL + 1/CT = 1/CLT |
| Low lung compliance indicate what? | 1. Pneumonia 2. Pulmonary Edema |
| Low thoracic compliance indicate what? | 1. Kyphoscoliosis 2. Ascites 3. Gross Obesity |
| Elastance is best described as what? | Elastic Recoil |
| Formula for Elastance? | Pressure Change/Unit Volume Change |
| What is normal Elastance? | 5cmH2O/L |
| Low elastance indicates what? | Emphysema |
| What are the diseases associated with the P/V Horizontal Curve? | (Low Lung Compliance) 1. Pneumonia 2. Pulmonary Edema 3. Pulmonary Fibrosis 4. Atelecasis |
| What are the diseases associated with the P/V Vertical Curve? | (High Compliance, Low Elastance) 1. Emphysema |
| What is airway resistance? | Frictional resistance afforded by the airways |
| Formula for Airway Resistance? | Pressure Change/Flow Rate |
| What is normal Airway Resistance? | 1-2cmH2O/L/sec |
| High airway resistance indicates what? | 1. Asthma 2. Chronic Bronchitis |
| Conductance is best describes as what? | Ease of Flow |
| Formula for Conductance? | Flow/Unit Pressure |
| What is normal for Conductance? | 0.5-1.5L/sec/cmH2O |
| Low conductance indicates what? | 1. Asthma 2. Chronic Bronchitis |
| What 5 factors contribute and affect airway resistance? | 1. Bronchospasm 2. Secretions 3. Mucosal Edema 4. Low Elastance 5. Artificial Airways |
| Formula for Reynolds Number? | 2rvd/n |
| R in Reynolds # means? | Radius |
| V in Reynolds # means? | Velocity |
| D in Reynolds # means? | Density |
| N in Reynolds # means? | Viscosity |
| Poiseuille's Law addresses what type of flow? | Laminar Flow |
| Formula for Poiseuille's Law? | Pr^4=Flow |
| Reynolds # addresses what type of flow? | Turbulent Flow |
| What's key about Reynolds #? | A # of >2000 establishes turbulent flow |
| What's key about Poiseuille's Law? | 16 fold jump in P as r decreases 50% |
| T/F Low density gas like Helium will decrease turbulence and WOB? | True |
| Define Time Constants? | The time (in sec.) to inflate a lung region to about 60% of its potential filling capacity. |
| Normal Time Constant? | .2x1=.2 sec. |
| Long Time Constant? | .2 x 10 = 2.0 sec. |
| Short Time Constant? | .05 x 2 = .1 sec. |
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Langhout1418
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