Which of the following weaning methods provides the best respiratory muscle strength condi-tioning?
a. Pressure-supported ventilation
b. T tube
c. Intermittent mandatory ventilation
d. Volume-assured pressure support
ANS: B
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Which form of asthma will not respond to normal drug therapy?
a. intrinsic b. extrinsic c. status asthmaticus d. episodic
Your patient is a 23-year-old woman who was rescued from a burning house. She was asleep in a back bedroom when the fire started, and there was no smoke alarm. She has a pulse oximetry reading of 99 percent after receiving oxygen by nonrebreather mask. What is the most appropriate interpretation of this finding?
A) Effects of smoke inhalation have been resolved by oxygen administration. B) You cannot rely on this alone to assess oxygenation. C) There was minimal smoke inhalation. D) Carboxyhemoglobin is less than 1 percent.
What is the upper explosive limit?
A) The exact proper mixture (mass of each reactant) of chemical for a chemical reaction B) The percentage of air and fuel where the lowest amount of fuel will combust C) The highest percentage of fuel to air where combustion can occur D) A mixture that reacts and does not consume fuel or oxygen
A contract with which of the following payment terms can result in an increased financial risk to the provider?
A. Capitation B. Percentage of premiums C. Fee-for-service D. Discounted fee-for-service