Conditions that would indicate the need for a periapical radiograph include each of the following EXCEPT one. Which one is the EXEPTION?
a. Abscess
b. Cleft palate
c. Large caries
d. Root fracture
b. Conditions prompting the exposure of a periapical radiograph include apical pathology (abscesses), fractures, large carious lesions, extensive periodontal involvement, examination of developmental anomalies such as missing teeth and abnormal eruption patterns, and any unexplained pain or bleeding. Occlusal radiographs would be a better choice for imaging a large area such as a cleft palate.
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Which of the following is suspended below the skull and serves as a base for muscles associated with the larynx, tongue, and pharynx?
A) Mandible B) Hyoid C) Vomer D) Splenoid
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a. carbon monoxide b. hydrogen cyanide c. hydrogen sulfide d. phosgene e. all of the above
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A) sodium citrate B) citrate–phosphate–dextrose C) ethylene–diamine tetra-acetic acid D) lithium iodoacetate