C. Edmund Kells encouraged the practical use of radiographs in dentistry
Indicate whether the statement is true or false
TRUE
Explanation: C. Edmund Kells took the first dental radiograph on a living subject in the United States. He made many presentations to organized dentistry advocating the use of dental radiographs as a diagnostic tool.
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OSHA is a branch of the American National Standards Institute (ANSI)
Indicate whether the statement is true or false.
____ is a colorless gas with a pungent smell that is recognized by most as a cleaning product for drains and as an oven cleaner at concentrations as low as three parts per million (ppm).
A. Calcium oxide B. Anhydrous ammonia C. Silica D. Hydrofluoric acid
The typical site for reception of excitatory stimulation on a neuron is the
A) soma. B) dendrite. C) axon. D) telodendria.
When the bubonic plague stalked Europe in the 14th century, which of the following did not happen?
A. Flagellation processions indirectly spread the bubonic plague. B. Jews were blamed and sometimes killed at the culmination of flagellation (whipping) processions going from city to city in Europe. C. Many physicians abandoned their profession. D. Fourteenth century medicine attributed the disease to astrological causes. E. The Pope attacked the notion that the disease was caused by sin.