Respiratory function following exposure to various levels

Reference no: EM131108547

Goldsmith and Nadel (1969) have studied respiratory function following exposure to various levels of ozone for periods of 1 h. The subjects were four presumably healthy males employed by the California State Department of Public Health. The objective measurement used was airway resistance as evaluated by the body plethysmographic technique (see DuBois et al. (1956) and Comroe, Botelho, and DuBois (1959)). Goldsmith and Nadel reported average values for four consecutive measurements taken immediately prior to and again about 5 min after termination of each level of ozone exposure. Table 7.2 is based on a subset of the Goldsmith Nadel data, where the tabled values are average airway resistance after ozone exposure minus average airway resistance prior to ozone exposure. Use procedure (7.6) to test H₀.

Reference no: EM131108547

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