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Respiratory System Chapter 4

Respiratory System Chapter 4. Perry C. Hanavan, Au.D. Question. What is the function the respiratory system? Absorb moisture Breathing Speech All the above B and C. Function. Life support Exchange CO 2 with O 2 Speech Energy source. Question. What is the thorax? Mouth Lungs

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Respiratory System Chapter 4

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  1. Respiratory SystemChapter 4 Perry C. Hanavan, Au.D.

  2. Question What is the function the respiratory system? • Absorb moisture • Breathing • Speech • All the above • B and C

  3. Function • Life support • Exchange CO2 with O2 • Speech • Energy source

  4. Question What is the thorax? • Mouth • Lungs • Chest • Abdomen • Throat

  5. Question What is the function of the alveoli? • Exchange N2 with O2 • Exchange CO2 with O2 • Exchange CO2 with H20 • Exchange N2 with H2O2 • None of these make sense?

  6. Question Which lung do you think might be larger? • Right • Left • Neither • Does it matter

  7. Question What is the major muscle of respiration? • Internal intercostals • External intercostals • Neck muscles • Diaphragm • Internal respiratory muscle

  8. Basic Components • Thoracic cavity • Rib cage • Spinal column • Neck • Muscles • Pharynx • Larynx • Abdomen • Muscles • Viscera

  9. Spinal Column • Spinal Column • Abnormal column

  10. Thorax • Gross Anatomy • X-ray of thorax • Pleura • Breathing animations • Respiratory muscles

  11. Lungs • Gross Anatomy • Alveoli • Alveoli Air Pressure • Lung Model • Breathing

  12. Healthy vs. Unhealthy Lungs

  13. Spirometer

  14. Question Can you exhale all the air in your lungs? True False

  15. Lung Volumes & Capacities • Lung Volumes: • TV • IRV • ERV • RV • Lung Capacities: • VC • FRC • TLC

  16. Question The air you normally breath in and out is: • VC • TV • IRV • TLC

  17. Question All the air in you lungs is: • VC • TV • IRV • TLC

  18. Lung Volumes and Vital Capacity

  19. Speech Breathing • More complex than quiet breathing • Coordination of breathing with linguistic utterances • Appropriate place to inhale • Appropriate amount of air to inhale & exhale • Prosodic variations

  20. Question Average number of breaths per minute in an adult: • 40-60 • 20-40 • 12-18 • 1-12 • More than 60

  21. Lung Developmental Changes

  22. Lung Developmental Changes

  23. Lung Developmental Changes

  24. Life Nose Inhale 40% of time Exhale 60% of time 10 % of vital capacity Muscles of thorax and diaphragm Speech Mouth Inhale 10% of time Exhale 90% of time 20-25 % of vital capacity Thoracic and abdominal muscles Life vs. Speech Breathing exhale inhale exhale in

  25. In speech breathing we inhale: • 10 percent of the time • 40 percent of the time • 60 percent of the time • 90 percent of the time • 50 percent of the time

  26. In life breathing we exhale: • 10 percent of the time • 60 percent of the time • 40 percent of the time • 90 percent of the time • 50 percent of the time

  27. Patterns

  28. Measurement Devices • Pneumatochograph used to measure airflow • Plethysmograph suit monitors the movements of both the abdomen and ribcage • Magnetometer is two coils of wire which generate an electromagnetic field

  29. Diseases • Parkinson's disease • Cerebellar disease • Cerebral palsy • Mechanical ventilation • Voice problems • Hearing problems

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