Pressure time products most closely correlate with _________________
A. the ability of the inspiratory muscles to support spontaneous breathing
B. the need for full ventilatory support
C. the amount of volume appropriate during volume-controlled ventilation
D. the amount of pressure appropriate during pressure-controlled ventilation
?ANS: A
A. Correct response: The concept of load is useful in considering the inspiratory muscle energy requirement spontaneous breathing or during partial ventilatory support as mechanical load correlates well with inspiratory muscle oxygen demands.
B. Incorrect response: See explanation A.
C. Incorrect response: See explanation A.
D. Incorrect response: See explanation A.
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