Nasopharyngeal carcinoma seen in which occupation?
Ans. is 'c' i.e., Wood workersRef Dhingra 4h/e p. 235; Nasopharyngeal carcinoma By Andrew Van Hasselt,Alan G. Gibb 2d/e p. 4Wood dusts exposure is a risk factor of nasopharyngeal carcinoma andAdenocarcinoma of PNS.Formaldehyde exposure is a risk factor of Nasopharyngeal carcinoma.
Asbestos industry
Cement industry
Wood workers
Chimney workers