What Does the Orifice Equation Use to Calculate Minimal Cross-Sectional

question 10

Multiple Choice

What does the orifice equation use to calculate minimal cross-sectional area of the velopharyngeal port?

• A)Simultaneous measures of the differential pressure across the orifice and rate of airflow
• B)The correction factor h
• C)Differential pressure across the orifice divided by the rate of airflow
• D)The increase in airflow and increase in air pressure across the orifice
• E)The pressure drop across the orifice and increase in oral airflow

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