What Is the Predicted Normal for the Peak Expiratory Flow

question 7

Multiple Choice

What is the predicted normal for the peak expiratory flow (PEF) in the average man?

• A) 5.5 L/sec
• B) 6.5 L/sec
• C) 8.0 L/sec
• D) 9.5 L/sec

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Definitions:

Then

At that time; at the time in question.

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A type of flowering shrub of the genus Rosa, in the family Rosaceae, known for its beautiful and fragrant flowers which are often associated with romance and love.

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A contraction of "it is" or "it has," used in a sentence to make a statement or indicate possession.

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A past participle of the verb "be," indicating a state of existence or occurrence in the past.