When evaluating an oblique L-spine radiograph, when the rotation is too steep, the pedicles move ______________ to the midline of the vertebral bodies.
A. anterior
B. posterior
Answer: B
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The time-weighted average level of exposure to a toxic substance to which workers can be exposed continuously for either an 8-hr work day or a 40-hr workweek defines
a. Short-term exposure limit b. Permissible exposure limit c. Recommended exposure level d. Immediately-dangerous-to-life-and-health limit
Which of the following organisms may not require treatment if there is a light infestation?
A) Anisakis spp. B) Trichuris trichiura C) Schistosoma mansoni D) Taenia solium
Which of the following agents is not recommended in patients with a high caries index?
a. clotrimazole troche b. nystatin cream c. nystatin vaginal d. fluconazole tablets
Which of the following is NOT considered a hazardous waste?
a. Lead foils from film packets b. Used processing chemicals c. Broken digital sensors d. Discarded film mounts