Which of the following is true regarding asthma?A)It produces dysplastic changes in the respiratory epitheliumB)It is a frequent cause of bronchiectasisC)Intrinsic asthma may be triggered by emotional stressD)It causes centrilobular emphysemaWhich of the following is commonly associated with panacinar emphysema?A)asthmaB)lobar pneumoniaC)bronchopneumoniaD)diffuse alveolar damageE)Alpha-1-antitrypsin deficiencyWhich of the following is true regarding viral pneumonia?A)Is an example of interstitial pneumonitisB)Much more common than bacterial pneumoniaC)Characterized by intraalveolar accumulation of lymphocytesD)Characterized by necrotizing granulomasPulmonary infections occurring primarily in immunosuppressed patients include all EXCEPT:A)AspergillosisB)Pneumocystis cariniiC)CytomegalovirusD)CoccidiodomycosisA caseating lesion often accompaniesA)Secondary tuberculosisB)SarcoidosisC)BothD)NeitherLung abscess mayA)Complicate bacterial pneumoniaB)Result from aspiration of material from carious teethC)BothD)NeitherARDS (adult respiratory distress syndrome) or acute alveolar damage can be caused by all of the conditions listed below EXCEPT:A)Gastric fluid aspirationB)Diffuse pulmonary infection by virusesC)Mechanical trauma (including head injuries)D)SepsisE)AsbestosisWhich of the following malignancies is strongly correlated with cigarette smoking?A)Small cell carcinomaB)Metastatic carcinomaC)MesotheliomaD)CarcinoidE)Mucoepidermoid carcinomaWhich lesions precede the development of invasive squamous cell carcinoma?A)Goblet-cell hyperplasia and dysplasiaB)Basal zone hypoplasia and neuroendocrine cell hyperplasiaC)Squamous metaplasia and dysplasiaD)Reserve cell hyperplasia and goblet-cell metaplasiaThe overall 5 year survival for all (resectable and non-resectable) lung cancers is approximately:A)8-12%B)40-42%C)50%D)55%E)80-100%The etiologic agent common to both chronic bronchitis and emphysema is:A)hypersensitivity to inhaled antigensB)persistent viral infectionC)asbestosD)cigarette smokeE)carbon dust