How would obstructive and restrictive pulmonary diseases affect peak expiratory flow rate (PEFR)?
A. Both obstructive and restrictive pulmonary diseases cause a decrease in the PEFR, but restrictive diseases also lead to a decrease in overall volume exhaled.
B. Both obstructive and restrictive pulmonary diseases cause an increase in the PEFR, but restrictive diseases also lead to a decrease in overall volume exhaled.
C. Both obstructive and restrictive pulmonary diseases cause a decrease in the PEFR, but restrictive diseases also lead to a decrease in overall volume inhaled.
D. Both obstructive and restrictive pulmonary diseases cause a decrease in the PEFR, but obstructive diseases also lead to a decrease in overall volume exhaled.
Answer: A. Both obstructive and restrictive pulmonary diseases cause a decrease in the PEFR, but restrictive diseases also lead to a decrease in overall volume exhaled.
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