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What is the normal range for cardiac output?
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To reduce the risk of barotrauma on PCV the flow pattern should be set to ____.
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Pilbeam’s Mechanical

Res 250 Pilbeam’s Mechanical Ventilation, Chapters 10

QuestionAnswer
What is the normal range for cardiac output? 4 to 8 L/min
To reduce the risk of barotrauma on PCV the flow pattern should be set to ____. descending ramp
Which of the following is NOT associated with an increase in central venous pressure? Dehydration
One of the ways of providing mechanical ventilation is the use of a volume-targeted breath with a constant inspiratory gas flow. The resulting flow scalar will be configured as a(n) ____. rectangular or square wave
The relationship, "the pressure delivery to the lungs will depend on the stiffness of the lung," can be graphically and mathematically represented as ____. ΔP = ΔV/C
The alveolar pressure curve will resemble in appearance the volume delivery curve, regardless of the type of volume waveform that is present. True
These curves were measured on a mechanically ventilated patient: Curve A was measured at 7 a.m. Curve B was measured at 11 a.m. There was no change in delivered tidal volume between 7 and 11 a.m.
The pressure (PIP) required to ventilate the patient increased True
Between 7 and 11, the patient's airway resistance (Raw) decreased False
Many of the newer microprocessor ventilators have very high gas pressure sources, in the range of 400 to 700 cm H2O. This is enough pressure to produce a constant flow of gas during inspiration for any clinical situation one might encounter. True
Another type of ventilator graphic is called a loop. These are displays of two variables plotted on the x-y coordinates. True
The purpose of ventilator graphics includes all of the following except ____. making an assessment of the supply pressures to the ventilator
With a constant flow, the rise in volume is expected to be displayed at a non-constant rate. False
The following graphic is a ____________________ and represents ___________________. volume scalar, increased expiratory volume and possible dysynchrony
What is the normal range for mean arterial pressure? 80 to 100 mm Hg
When PC CMV is the mode of ventilation, the resulting flow scalar will be configured as a(n) ____. descending ramp
Scalars displayed during mechanical ventilation include all of the following except ____. flow vs. volume
What is the normal central venous pressure reading? 2 to 6 mm Hg
The greater this pressure gradient, the faster the flow of gas and the sooner the lungs fill: this could be graphically and mathematically stated as ____. Flow = V/TI
What is the normal range for pulmonary capillary wedge pressure? 5 to 10 mm Hg
The curve representing PTA will not always resemble the curve for flow. False
Created by: Cam1228
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