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30 Cards in this Set
- Front
- Back
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Upper respiratory tract consists of...
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Nasal cavity
Pharynx Larynx |
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What are two functions of the nasal cavity?
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Olfaction
Clean, warm and moisten air before it enters respiratory tract |
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The lower respiratory tract consist of...
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Trachea
Bronchi Bronchioles Alveolar ducts Alveoli |
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What are the three divisions of the pharynx?
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Nasopharynx
Oropharynx Laryngopharynx |
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Which two regions of the respiratory tract contain pseudostratified columnar epithelium?
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Nasal cavity
Trachea |
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Which is first, pharynx or larynx?
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Pharynx
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What is the main role of the larynx?
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Responsible for voice
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What is the flap which prevents food from entering the larnyx?
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Epiglottis
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What is the appearance of alveoli?
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Small, thin walled, cup shaped
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What is the pleura?
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Cavity containing fluid with a folded double membrane?
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What are the two divisions of pleura, stating the outer division first...
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Parietal pleurae
Visceral pleurae |
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Which lung is bigger?
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Left
Longer, narrower |
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Which lung has three lobes?
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Right lung
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What are the names of the divisions of these lobes?
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Superior
Middle Inferior |
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How many lobes does the left lung have?
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Two - Superior, inferior
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How many fissures does the left and right lung contain?
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3 in total
Right lung has two - oblique and horizontal Left lung has one - oblique |
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Can infection transfer between lungs?
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No due to the pleurae compartmentalising each lung
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The diaphragm is innervated by...
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Phrenic nerve
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The diaphragm is attached to...
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fibrous pericardium
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Which pleurae is sensitive to pain?
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Parietal pleura
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The visceral pleurae...
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secretes pleural fluid
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How many sections are bronchi divided into?
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Primary
Secondary Tertiary |
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Mucus secreting goblet cells and rings of hyaline cartilage (incomplete rings) are features of...
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Trachea
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The conducting system consists of...
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Nasal cavity, pharynx, larynx, trachea, bronchi, bronchiole
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The respiratory zone consists of...
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Bronchioles, alveolar ducts, alevoli
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Hilum of the lungs is...
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Triangular depression
Where arteries, veins and bronchi enter lungs |
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Which alveolar cells release surfactant?
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Type II
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Do smaller or larger alveoli cells secrete more surfactant? Why?
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Smaller since they're harder to inflate and secretions reduce the work needed
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How is surfactant helpful in alveoli?
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Reduced the surface tension
Prevents alveoli collapsing |
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Laplaces Law states...
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P = 2T/r
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