Calcium tungstate or barium strontium sulfate will fluoresce and emit energy in the form of green light when they absorb x-rays
Indicate whether the statement is true or false
FALSE
Explanation: Rare earth phosphors [lanthanum (La) and gadolinium (Gd)] will fluoresce and emit energy in the form of green light when they absorb x-rays.
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Which of the following statements regarding expansion of buildings is MOST accurate?
A) The fire protection concerns during a building expansion are exactly the same as those presented during building remodeling. B) Building expansions are typically located in urban areas with the addition of floors to high-rise buildings. C) Building expansion often impacts exits for the existing building. D) Standard fire fighting tactics are adequate to maintain life safety in the existing portion of a building during expansion.
Which of the following statements best describes a propellant?
a. A mixture of an oxidizer and some other arbitrary substance that readily burns. b. An oxidation-reduction reaction between the components of black-powder when its initiated by a heat from primer. c. A material such as smokeless powder that defragrates and produces a relatively large volume of gases and vapors. d. A component of the round that explodes from the mechanism shock it experiences when it hits a target.
Good communication techniques include
A) not looking directly at the patient B) watching only your own body language C) interrupting when you need to D) demonstrating respect
What is a procedure in which gas or air is forced into the pleural space called?
A) artificial pneumothorax B) natural pneumothorax C) pneumothoroplasty D) oxygenation