Which of the following statements concerning functional residual volume in newborn resuscitation is TRUE?
A) You should maintain a PEEP of 2 to 4 centimeters of water with ventilations to maintain adequate functional residual volume.
B) It is impossible to maintain functional residual volume without a cuffed endotracheal tube to prevent air from escaping around the tube.
C) Functional residual volume can be maintained only with a mechanical ventilator.
D) A manually triggered, oxygen-powered ventilation device enhances functional residual volume.
A
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Why is an occlusive dressing, taped on three sides, used in a patient with an open pneumothorax?
A) It converts an open pneumothorax into a spontaneous pneumothorax, limiting the aspiration of air and enhancing pressure build-up. B) It converts an open pneumothorax into a tension pneumothorax, limiting the aspiration of air and relieving pressure build-up. C) It converts an open pneumothorax into a simple pneumothorax, reducing the aspiration of air and relieving pressure build-up. D) It converts an open pneumothorax into a hemopneumothorax, limiting the aspiration of blood and relieving pressure build-up.