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Gas Exchange Terms, Form B

Teacher: Mary Arndt
Across
Blue/gray/purple color to skin/mucous membranes due to deficient oxygenation
The tendency of molecules to move from an area of high concentration to one of lower concentration
Refers to ease of expansion of the lungs
RR < 12 per min for adult
Difficulty breathing/ shortness of breath (SOB)
Refers to any impediment to airflow
Periods of apnea alternating with deep and rapid breathing
Purulent drainage in the pleural cavity
Expectoration of blood
Collapse of the lung
Reduces surface tension of alveoli
Change in curvature of nails, common with chronic lung disease
Difficult to breathe unless sitting or standing
Down
Insufficient oxygenation of blood
Temporary, insufficient blood supply to a particular area
Cessation of breathing for >20 seconds
Contraction of accessory muscles seen in labored breathing
AP diameter ratio of chest becomes equal over time due to resp. pathology and/or aging
Insufficient oxygenation of tissues
Deep, rapid, gasping type of respirations
RR > 20 per min for adult
High-pitched, inspiratory, upper airway sound
Work of Breathing