<prompt> Nasopharyngeal carcinoma seen in which occupation?Asbestos industryCement industryWood workersChimney workers  <response>: Ans. is c i.e., Wood workersRef Dhingra 4he p. 235; Nasopharyngeal carcinoma By Andrew Van Hasselt,Alan G. Gibb 2de p. 4Wood dusts exposure is a risk factor of nasopharyngeal carcinoma andAdenocarcinoma of PNS.Formaldehyde exposure is a risk factor of Nasopharyngeal carcinoma. 