Which of the following statements is (are) true?I. During in…
Which of the following statements is (are) true?I. During inspiration with positive pressure ventilation, intrapleural pressure becomes positive.II. During inspiration with negative pressure ventilation, intrapleural pressure is negative.III. During spontaneous ventilation, intrapleural pressure is most postive at the beginning of inspiration.IV. During positive pressure ventilation, intrapleural pressure is about –15 cm H2O.
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