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Respiratory System Chapter 4 PowerPoint PPT Presentation


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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 - PowerPoint PPT Presentation

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Respiratory System Chapter 4

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Respiratory system chapter 4 l.jpg

Respiratory SystemChapter 4

Perry C. Hanavan, Au.D.


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Question

What is the function the respiratory system?

  • Absorb moisture

  • Breathing

  • Speech

  • All the above

  • B and C


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Function

  • Life support

    • Exchange CO2 with O2

  • Speech

    • Energy source


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Question

What is the thorax?

  • Mouth

  • Lungs

  • Chest

  • Abdomen

  • Throat


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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?


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Question

Which lung do you think might be larger?

  • Right

  • Left

  • Neither

  • Does it matter


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Question

What is the major muscle of respiration?

  • Internal intercostals

  • External intercostals

  • Neck muscles

  • Diaphragm

  • Internal respiratory muscle


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Basic Components

  • Thoracic cavity

    • Rib cage

    • Spinal column

  • Neck

    • Muscles

    • Pharynx

    • Larynx

  • Abdomen

    • Muscles

    • Viscera


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Spinal Column

  • Spinal Column

  • Abnormal column


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Thorax

  • Gross Anatomy

  • X-ray of thorax

  • Pleura

  • Breathing animations

  • Respiratory muscles


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Lungs

  • Gross Anatomy

  • Alveoli

  • Alveoli Air Pressure

  • Lung Model

  • Breathing


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Healthy vs. Unhealthy Lungs


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Spirometer


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Question

Can you exhale all the air in your lungs?

True

False


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Lung Volumes & Capacities

  • Lung Volumes:

    • TV

    • IRV

    • ERV

    • RV

  • Lung Capacities:

    • VC

    • FRC

    • TLC


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Question

The air you normally breath in and out is:

  • VC

  • TV

  • IRV

  • TLC


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Question

All the air in you lungs is:

  • VC

  • TV

  • IRV

  • TLC


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Lung Volumes and Vital Capacity


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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


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Question

Average number of breaths per minute in an adult:

  • 40-60

  • 20-40

  • 12-18

  • 1-12

  • More than 60


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Lung Developmental Changes


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Lung Developmental Changes


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Lung Developmental Changes


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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


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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


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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


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Patterns


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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


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Diseases

  • Parkinson's disease

  • Cerebellar disease

  • Cerebral palsy

  • Mechanical ventilation

  • Voice problems

  • Hearing problems