Elderly patients experience a slower physiologic response to hypoxemia and hypercarbia because of:
A) decreased sensitivity to changes in arterial blood content.
B) a chronically elevated partial pressure of carbon dioxide.
C) an increased PaO2 due to a natural increase in respirations.
D) failure of the baroreceptors to detect blood pressure changes.
Answer: A) decreased sensitivity to changes in arterial blood content.
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Using the 2Q2 + Q method, calculate the friction loss in 200 feet of 2 1/2-inch hose flowing 250 gpm through a fog nozzle
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