A 45-year-old male reports several years of asbestos exposure while working in the construction industry. He reports smoking 2 packs of cigarettes per day for over 20 years. Smoking and asbestos exposure increase the incidence of which of the following diseases?
AEmphysema
BMalignant pulmonary mesothelioma
CMultiple myeloma
DBronchogenic carcinoma
EChronic bronchitis
What is the most common health consequence of indoor air pollution?
APneumonia in child
BChronic lung disease
CImpaired neurological development
DAdverse pregnancy outcome
A researcher wanted to prove the relation between COPD and smoking. He collected patients records from government hospitals and records of cigarette sales from the finance and taxation department. This is an example of which study design:
ACross-sectional
BPosological study
CEcological study
DOperations research
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