The device used to control the amount of oxygen delivered to a patient is a:
A) cylinder.
B) supply tube.
C) flowmeter.
D) PEEP valve.
A
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MOPP is used by the U.S. military to protect against:
A. thermal hazards. B. chemical hazards. C. mechanical hazards. D. asphyxiation hazards.
Which of the following statements about humidifiers is appropriate?
a. The warmer the gas, the less water vapor it can hold. b. Evaporation occurs more rapidly with a large water-to-gas surface area. c. High peak flows improve the efficacy of a humidifier. d. The mass of the water is inversely propor-tional to its capacity to transfer heat.
Such cancer-causing agents as radiation, chemicals, or viruses are termed:
A. hyperplasic B. suppressing C. alkylating D. carcinogenic
Which of the following questions is of LEAST pertinence initially when assessing a responsive 40-year-old woman who fell from a standing position?
A: Did you faint before you fell? B: Can you move your hands and feet? C: Have you fallen before? D: Did you hit your head?