Indicators of air pollution are:
ASulphur dioxide, lead, particulate matter
BSulphur dioxide, hydrogen sulphide, carbon monoxide
CCarbon dioxide, hydrogen sulphide, lead
DSulphur dioxide, smoke, particulate matter
A 6-month-old female infant is brought to the physician with a 2-day history of severe cough, wheezing, and respiratory distress. Physical examination shows rhinitis, mild cyanosis, and fever. Which of the following is the most likely etiology of this child's pulmonary infection?
ARespiratory syncytial virus
BCytomegalovirus
CParainfluenza virus
DAdenovirus
In RDS in a child, which cells are found defective?
ABronchial epithelium
BType 2 pneumocytes
CType 1 pneumocytes
DClara cells
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