Podcast
Questions and Answers
What is the primary function of the conducting zone in the respiratory system?
What is the primary function of the conducting zone in the respiratory system?
What structures are responsible for gas exchange in the respiratory zone?
What structures are responsible for gas exchange in the respiratory zone?
Which structure connects the nasal cavity and the mouth to the larynx?
Which structure connects the nasal cavity and the mouth to the larynx?
Which airways lack cartilage but have smooth muscles?
Which airways lack cartilage but have smooth muscles?
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What is the main role of the trachea in the respiratory system?
What is the main role of the trachea in the respiratory system?
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Why do physiotherapists encourage clients to breathe through their nose?
Why do physiotherapists encourage clients to breathe through their nose?
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What is the purpose of collateral ventilation in the lungs?
What is the purpose of collateral ventilation in the lungs?
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Which component of the upper respiratory tract contains vocal cords?
Which component of the upper respiratory tract contains vocal cords?
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At what age do the pores of Kohn develop in adult alveoli?
At what age do the pores of Kohn develop in adult alveoli?
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What type of channels develop as a result of alveolar wall destruction in pathologic states like emphysema?
What type of channels develop as a result of alveolar wall destruction in pathologic states like emphysema?
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What is the cross-sectional area of the lungs?
What is the cross-sectional area of the lungs?
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Which part of the respiratory system is responsible for coughing to clear the first 6 generations of airways?
Which part of the respiratory system is responsible for coughing to clear the first 6 generations of airways?
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What causes the movement of ribs during inspiration to be like that of a bucket handle?
What causes the movement of ribs during inspiration to be like that of a bucket handle?
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What is the function of the pleural cavity?
What is the function of the pleural cavity?
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Which joints in the rib cage form attachment points allowing for proper movement during breathing?
Which joints in the rib cage form attachment points allowing for proper movement during breathing?
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What are the three air pressures involved in inspiration and expiration?
What are the three air pressures involved in inspiration and expiration?
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What is the role of the pleural fluid in the respiratory system?
What is the role of the pleural fluid in the respiratory system?
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What contributes to the slightly negative pressure in the intra-pleural space?
What contributes to the slightly negative pressure in the intra-pleural space?
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What happens to intrapulmonary pressure during inspiration?
What happens to intrapulmonary pressure during inspiration?
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What drives air movement into and out of the lungs during respiration?
What drives air movement into and out of the lungs during respiration?
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Which muscles are the principal muscles of inspiration?
Which muscles are the principal muscles of inspiration?
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In quiet breathing, which muscles contribute to expiration?
In quiet breathing, which muscles contribute to expiration?
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What is the mnemonic for remembering the innervation of the diaphragm?
What is the mnemonic for remembering the innervation of the diaphragm?
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What happens if a patient presents with a spinal cord injury at the level of C6?
What happens if a patient presents with a spinal cord injury at the level of C6?
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Which muscles contribute to active expiration when additional respiratory effort is required?
Which muscles contribute to active expiration when additional respiratory effort is required?
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Which force contributes to the recoil of the alveoli back to their original shape after being stretched?
Which force contributes to the recoil of the alveoli back to their original shape after being stretched?
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What is the primary function of pulmonary surfactant in the lungs?
What is the primary function of pulmonary surfactant in the lungs?
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How does poor lung compliance affect the relationship between volume and pressure changes during breathing?
How does poor lung compliance affect the relationship between volume and pressure changes during breathing?
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What contributes to the outwards pull of the chest wall in maintaining lung expansion?
What contributes to the outwards pull of the chest wall in maintaining lung expansion?
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What phenomenon is indicated by plotting change in volume over change in pressure, where different curves are observed for inspiration and expiration due to surface tension?
What phenomenon is indicated by plotting change in volume over change in pressure, where different curves are observed for inspiration and expiration due to surface tension?
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Which lung volume refers to the volume of air expelled with force expiration?
Which lung volume refers to the volume of air expelled with force expiration?
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What is the lung capacity that is determined by the outward spring of the rib cage and the inward elastic re-coil of the lungs?
What is the lung capacity that is determined by the outward spring of the rib cage and the inward elastic re-coil of the lungs?
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How do taller people generally compare to obese people in terms of lung volumes?
How do taller people generally compare to obese people in terms of lung volumes?
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What effect does aging have on lung volumes?
What effect does aging have on lung volumes?
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What factor leads to an overall reduction in lung volume as a person ages?
What factor leads to an overall reduction in lung volume as a person ages?
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How does inspiratory muscle training affect lung volumes?
How does inspiratory muscle training affect lung volumes?
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At what altitude do people tend to have larger lung volumes?
At what altitude do people tend to have larger lung volumes?
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Which lung capacity provides information about the overall function of the lungs?
Which lung capacity provides information about the overall function of the lungs?
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Inspiratory reserve volume refers to the volume of inspired air from:
Inspiratory reserve volume refers to the volume of inspired air from:
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What is the volume of air that would remain if the lungs collapsed in men?
What is the volume of air that would remain if the lungs collapsed in men?
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Which lung capacity represents the total volume of the lungs at the end of a maximal inspiration?
Which lung capacity represents the total volume of the lungs at the end of a maximal inspiration?
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What is the maximum volume of air that can be inspired in addition to a normal tidal inspiration in women?
What is the maximum volume of air that can be inspired in addition to a normal tidal inspiration in women?
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What is the volume of air exhaled in addition to a normal tidal expiration in women?
What is the volume of air exhaled in addition to a normal tidal expiration in women?
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Which volume of air remains in the lungs at the end of a normal tidal expiration in women?
Which volume of air remains in the lungs at the end of a normal tidal expiration in women?
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What is the total volume of air that can be inspired and expired in a single breath in men?
What is the total volume of air that can be inspired and expired in a single breath in men?
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