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Across 2. caused by increased vascular permeability 6. tests amount of air that is blown out as quickly as possible 7. breathing test 8. oxygen saturation below 95% 9. increased smooth muscle contraction 13. sympathomimetic bronchodilator 14. obstructs and narrows airway 15. triggers mast cell activation 16. increased work of breathing

Down 1. untreated status asthmaticus 3. results from rapid breathing rate and increased blow off carbon dioxide 4. incomplete emptying of air from the lungs during expiration 5. substance released in response to mast cell activation 10. rapid respiratory rate 11. anticholinergic agent 12. whistling sound heard during lung auscultation