The filament is on the negative side of the vacuum tube in the dental x-ray machine
Indicate whether the statement is true or false
TRUE
Explanation: A thin, spiral filament of tungsten wire, recessed into a molybdenum focusing cup, forms the cathode, which is negatively charged during the production of electrons in a dental x-ray machine.
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If a mentally incompetent person enters into a contract, the agreement may be set aside or validated at a later date. In this case, the agreement is said to be
A. breached. B. voidable. C. nullified. D. violated. E. enforced.
You are assessing a 17-year-old male patient with a burn on the lateral aspect of his thigh. Which of the following guidelines is most helpful when estimating the percentage of total body surface area involved?
A) The rule of palms B) The Parkland formula C) The rule of nines D) The modified pediatric rule of nines