Respiratory System Chapter 4 Perry C. Hanavan, Au.D.
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Transcript of Respiratory System Chapter 4 Perry C. Hanavan, Au.D.
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Respiratory System
Chapter 4
Perry C. Hanavan, Au.D.
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Question
What is the function the respiratory system?
A.Absorb moisture
B.Breathing
C.Speech
D.All the above
E.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?
A.Mouth
B.Lungs
C.Chest
D.Abdomen
E.Throat
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Question
What is the function of the alveoli?
A.Exchange N2 with O2
B.Exchange CO2 with O2
C.Exchange CO2 with H20
D.Exchange N2 with H2O2
E.None of these make sense?
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Question
Which lung do you think might be larger?
A.Right
B.Left
C.Neither
D.Does it matter
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Question
What is the major muscle of respiration?
A.Internal intercostals
B.External intercostals
C.Neck muscles
D.Diaphragm
E.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:
A.VC
B.TV
C.IRV
D.TLC
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Question
All the air in you lungs is:
A.VC
B.TV
C.IRV
D.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:
A.40-60
B.20-40
C.12-18
D.1-12
E.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 vs. Speech Breathing
• 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
exhale inhale exhale in
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In speech breathing we inhale:
A.10 percent of the time
B.40 percent of the time
C.60 percent of the time
D.90 percent of the time
E.50 percent of the time
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In life breathing we exhale:
A. 10 percent of the time
B. 60 percent of the time
C. 40 percent of the time
D. 90 percent of the time
E. 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