PATHO EXAM 2| study guide verified A+

PATHO EXAM 2| study guide verified A+ PATHO EXAM 2| study guide verified A+ chronic obstructive bronchitis & emphysema are both - correct answer-types of COPD chronic obstructive bronchitis & emphysema both include - correct answer-recurrent obstruction of airflow risk factors for chronic obstructive bronchitis & emphysema - correct answer-tobacco smoke occupational dusts & chemicals air pollution chronic obstructive bronchitis - correct answer-"BLUE BLOATERS" what is chronic obstructive bronchitis - correct answer-chronic productive cough that lasts for at least 3 months of the year for at least 2 consecutive years *hypersecretion of mucus what causes the chronic productive cough in chronic obstructive bronchitis - correct answer-mucus plugs result in trapping of gas in distal portion of lungs and also hyperinflation and chronic productive cough symptoms of chronic obstructive bronchitis - correct answer-cyanosis, fluid retention, right-sided heart failure (cor pulmonae), productive cough, decreased RR, crackles & wheezes emphysema - correct answer-"PINK PUFFERS" what is emphysema - correct answer-loss of lung elasticity & abnormal enlargement of air spaces what causes the abnormal enlargement of air spaces in emphysema - correct answer-hyperinflation of the lungs what causes the loss of lung elasticity (loss of elastic recoil in alveoli) in emphysema - correct answer-serine elastase (protease) digests elastic fibers in the lung what causes emphysema - correct answer-smoking, a1-antitrypsin (AAT) deficiency what is a1-antitrypsin (AAT) - correct answer-an antiprotease enzyme symptoms of emphysema - correct answer-accessory muscle and purse-lip breathing, barrel chest, decreased breath sounds, increased RR what causes the barrel chest in emphysema - correct answer-air trapping cause of cystic fibrosis - correct answer-genetic mutation pathogenesis of cystic fibrosis - correct answer-CFTR blocks chloride ion from going in cells = Na+ and H2O move from airway into blood = thickened respiratory secretions dehydration & accumulation of secre