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25 Cards in this Set
- Front
- Back
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The respiratory system can be divided up into 2 zones: the 1_____ zone allows air to flow to the 2_____ zone so that gas exchange can occur.
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Conduction
Respiratory |
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Intrapulmonary Pressure ? Diaphragm Contraction to expand/release size of the thorax
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inversely proportional
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Intrapulmonary Pressure is high=
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Exhalation
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During exercise, other supporting muscle will contribute to the size change in the thoracic cage to alter intrapulmonary pressure for
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increased ventilation
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This portion of the respiratory system does not allow for any gaseous exchange
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Conduction Zone
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Referred to as anatomical dead space
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Conduction Zone
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Provide a pathway from the environment to the lungs
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Conduction Zone
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Once the air is in this area, the air will be warmed, moistened, and filtered as it begins its journey towards the lungs.
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Nasal Cavity & Pharynx
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Transports air to lungs; supported by cartilaginous rings that are present throughout the distance of the _____
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Trachea
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Where the trachea splits to reach both lungs; a well-muscled area of the conduction zone
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Bronchi
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Smaller divisions of the bronchi that will lead to the structures of the respiratory zone
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Bronchioles
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Name the structures of the conduction zone
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Nasal Cavity & Pharynx, Trachea, Bronchi, Bronchioles
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Name the structures of the respiratory zone
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Respiratory Bronchioles
Alveolar Sacs |
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The smallest division of the bronchi that actually allows blood-gas interface
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Respiratory Bronchioles
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A terminal section of the airflow pathway that has an extremely high surface area that allows for quick and efficient diffusion of gases
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Alveolar Sacs
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During exercise, we require a more _____ that calls upon other muscles of respiration.
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Dynamic ventilatory response
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Size of thorax ? Diaphragm contraction
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Proportional
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Name the muscles of Inspiration
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Sternocleidomastoid, Scalenes, External Intercostals, Pectoralis Minor, Abdominal Obliques
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Name the muscles of Expiration
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Rectus Abdominis, Transverse Abdominis, Internal Intercostals
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Ventilation control is influenced by what?
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Brain centers, chemoreceptors, and muscle activity
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Barometric pressure at sea level is
Ventilatory requirements are ~_____% of body energy at rest and ~_____% during exercise |
760mmHH
2% and 15% |
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Ventilatory gases move across cell membranes via a
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Pressure gradient
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Oxygen is transported in the body primarily by _____; carbon dioxide is transported primarily by _____
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Hemoglobin
bicarbinate ions |
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A _____ and an _____ will facilitate the unloading of oxygen at target tissues.
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decrease in pH
increase in Temperature |
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Diagram:
Largest on the page From the maximum expiration to the maximum inspiration |
Total Lung Capacity
Vital Capacity |
