Of what is a grid used in extraoral radiographic techniques composed?
What will be an ideal response?
A grid is a mechanical device composed of thin strips of lead alternating with a radiolucent material used to absorb scattered radiation. The grid is positioned between the patient and film to absorb scatter radiation to reduce film fog and improve image contrast.
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Which of the following would be an example of physical evidence?
A. Noise B. Lighting C. Odor or smell D. Fire patterns
Irrigation solutions are maintained at body temperature to prevent ________
A. hypothermia B. sickness
How many new cases of HIV infection were reported in the United States for the year 2009?
A. at least 225,000 B. 10,550 C. just over 36,000 D. about 100,000
The "See" notes in the Tabular instruct coders to view additional sections of the Tabular.
Answer the following statement true (T) or false (F)