On the Basis of the Bronchial Provocation Data Presented in the Following

question 12

Multiple Choice

On the basis of the bronchial provocation data presented in the following table,identify the PD₂₀ (provocative dose that produces a 20% fall in FEV₁) .

• A)0.025 mg/mL
• B)0.25 mg/mL
• C)2.5 mg/mL
• D)10 mg/mL

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