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The Respiratory System

Across
____ refers to an incomplete expansion of a lung or portion of a lung.
People with chronically elevated carbon dioxide levels rely on stimulus provided by a ____ in blood PO2 levels.
The volume of air inspired (or exhaled) with each breath (Two words)
When respiratory disease develops in infant's, lung compliance is _____and it takes more effort to inflate the lung.
____ ____ is caused by mutations in a single gene on the long arm of chromosome 7 that encodes for the CFTR, which functions as a chloride channel in epithelial cell membranes (two words).
______ is a chronic disorder of the airways that causes episodes of airway obstruction, bronchial hyperresponsiveness, and airway inflammation.
Refers to blood that moves from the right to the left side of the circulation without being oxygenated
Down
_____ refers to a reduction in arterial blood oxygen levels, which is considered a PaO2 less than 95 mmHg.
______ is characterized by a loss of lung elasticity and abnormal enlargement of the airspaces distal to the terminal bronchioles, with destruction of the alveolar walls and capillary beds.
____have an apparent role in the chronic inflammatory response and complications of asthma.
Acute ____ is a dramatic, potentially fatal condition characterized by inflammatory edema of the supraglottic area, including the epiglottis and pharyngeal structures.
The movement of air through ____ space contributes to the work of breathing, but not to air exchange.
_____ is characterized by inspiratory stridor, hoarseness, and a barking cough.
Pneumonia describes an infection of the ______ tissues of the lung.
Type II pneumocytes synthesize _______.
The ____ molecule is composed of four polypeptide chains with an iron-containing heme group.
Without surfactant, the large alveoli remain inflated, but the small alveoli become _____to inflate.