Which of the following statements regarding the radiographic appearance of occlusal caries is correct?
a. Occlusal carious lesions are located on the incisal edges of the anterior teeth.
b. Incipient occlusal caries is well-visualized on the radiograph.
c. Radiolucencies in dentin below occlusal enamel indicate occlusal caries.
d. The irregularity of cusps and occlusal pits and fissures usually indicate the presence of caries.
c. When examining radiographs for occlusal decay, the area of interest is below the occlusal enamel, in the area of the dentin, not from the top of the tooth downward.
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Which of the following types of laws cover a broad spectrum of activities such as transportation of hazardous materials and accessibility for handicapped citizens?
A. Federal laws B. State/provincial laws C. Local laws and ordinances D. Constitutional amendments
____________________ is essential and important when working with dosages, medications and labels.
Fill in the blank(s) with the appropriate word(s).
At the scene of an industrial accident, you are presented with a male patient who was exposed to a powerful pesticide in powder form. The patient states that he was moving sacks of the pesticide when one broke open. In the process, his face and arms were covered with the powder. At the present time, he is complaining of difficulty breathing and burning of his skin on his face and arms. You note
that some of the pesticide still remains on these areas of the body. Your first action in caring for this patient would be to: A) apply oxygen through a nonrebreather mask. B) brush off the remaining pesticide. C) flush the pesticide with copious amounts of water. D) obtain vital signs and medical history.
Which of the following will the user select to open a file cabinet document attached to the patient's chart?
A. [Edit] B. [Print] C. [Doc] D. None of these