Which of the following statements regarding mechanical ventilation systems is MOST accurate?
A. They are manually activated.
B. They may be mass-produced.
C. They are designed to keep smoke out of the stair enclosure by pressurizing the shaft.
D. They keep stair enclosures free of smoke as long as all doors to the fire floor are closed.
C
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What will be an ideal response?
Which of the following parameters should be used to guide the oxygenation and ventilation of the patient with a traumatic brain injury?
A) Maintain an oxygen saturation level of at least 96 percent and a capnography reading between 35 and 40 mmHg. B) Maintain an oxygen saturation level of at least 90 percent and a capnography level < 45 mmHg. C) Maintain an oxygen saturation level of at least 98 percent and a capnography reading > 45 mmHg. D) Maintain an oxygen saturation level of at least 90 percent and a capnography reading < 35 mmHg.