Which of the following factors determines the stage of cancer?
A) Size
B) Involvement of lymph nodes
C) Presence or absence of distant metastasis
D) All of the above
D
Explanation: D) All of the mentioned factors are necessary to determine the stage of cancer.
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Each of the following statements regarding the radiographic appearance of caries is correct except one. Which one is the exception?
A) Buccal/lingual caries appears as a round radiolucency in the middle of the tooth. B) Cemental caries appears as an ill-defined, radiolucent, saucer-shaped area below the CEJ. C) Occlusal caries appears in the pit and fissures of the tooth surface. D) Proximal caries begins as a radiolucent notch on the enamel at the contact point between adjacent teeth.
Which of the following is NOT reflective of the original ACS minimum standard?
A. A defined and complete medical case record should be kept on all patients. B. Physicians and surgeons should be organized as a group or staff. C. Membership on hospital staffs should follow a code of ethics. D. A hospital should contain a clinical laboratory, a radiology service, and outpatient chemotherapy services.