150 - respiratory system mcqs - part 9

71q: which one of the following is not correct regarding silicosis ?

a. egg shell calcification is seen on chest X ray
b. it is more marked in the lower zone
c. may lead to progressive massive fibrosis
d. the disease may progress even after the exposure has ceased

answer: b .

72q: a person who has high fever,tachycardia,hemoptysis and a lobar consolidation on CXR has ?

a. bronchopneumonia
b. lobar pneumonia
c. pulmonary edema
d. pulmonary infarction

answer: b . lobar pneumonia .

73q: which one of the following organisms causes pneumatocele ?

a. klebsiella
b. hemophilus influenza
c. staphylococcus aureus
d. streptococcus pneumoniae

answer: c . staphylococcus aureus .

74q: kartagener's syndrome is not associated with ?

a. situs inversus
b. subluxation of lens
c. bronchiectasis
d. sinusitis

answer: b .

75q: with reference to cystic fibrosis , which one of the following statement is not correct ?

a. gene is located in the long arm of chromosome 7
b. lung function is grossly impaired at birth
c. pseudomonas infection is very common
d. diabetes is more commonly encountered than in normal population

answer: b . lung function is not actually grossly impaired at birth and hence b is the wrong statement .

76q: cystic fibrosis characteristically has all of the following features except ?

a. low levels of sodium and chloride in sweat
b. pancreatic insufficiency
c. biliary cirrhosis
d. bronchial obstruction

answer: a .

77q: a patient presents with breathlessness . he has bilateral basal crepitations. lung function tests reveal decrease in total lung capacity and vital capacity with normal FEV1/VC ratio. the most likely diagnosis is ?

a. chronic bronchitis
b. idiopathic pulmonary fibrosis
c. cystic fibrosis
d. allergic bronchopulmonary aspergillosis

answer: b . idiopathic pulmonary fibrosis .

78q: interstitial pulmonary fibrosis is associated with the following except ?

a. sarcoidosis
b. asbestosis
c. carcinoid lung
d. radiation exposure

answer: c . carcinoid lung .

79q: all the following are features of alveolitis ( interstitial lung disease ) except ?

a. exertional dyspnea
b. early productive cough
c. digital clubbing
d. coarse crepitations during inspiration

answer: b . early productive cough .

80q: pleural effusion in rheumatoid arthritis is typically associated with the following features except ?

a. glucose greater than 60 mg/dl
b. protein greater than 3gm/ml
c. pleural fluid to serum protein ratio greater than 0.6
d. pleural fluid to serum LDH ratio greater than 0.6

answer: a. rheumatoid arthritis is one of the causes of conditions with low glucose , other causes of pleural fluid low in glucose are mesothelioma ,empyema,malignant pleural effusion . tuberculosis and dressler syndrome are conditions with high glucose in pleural fluid .

149 - respiratory system mcqs - part 8

66q: use of disodium cromoglycate as a preventive measure has been found to be useful in ?

a. intrinsic asthma
b. exercise induced asthma
c. chronic bronchitis
d. farmer's lung

answer: both a and b .

67q: in bronchial asthma glucocorticoids

a. act as potent bronchodilators
b. reduce airway inflammation
c. inhibit degranulation of mast cells
d. block the action of humoral mediators

answer: b . reduce airway inflammation .

68q: farmer's lung is caused by exposure to ?

answer: thermophilic actinomyces .

69q: the diagnostic criteria for allergic bronchopulmonary aspergillosis would include all of the following except ?

a. peripheral eosinophilia
b. central bronchiectasis
c. bronchial asthma
d. culture of aspergillus fumigatus from the sputum

answer: d . culture of aspergillus fumigatus from the sputum is not a diagnostic criteria .

70q: recognised features of asbestosis does not include ?

a. calcification of pleura
b. egg shell calcification of hilar lymph nodes
c. clubbing of features
d. restrictive pattern of ventilatory defect shown by pulmonary function

answer: c . clubbing of fingers .