Which of the following BEST describes when an SCBA cylinder needs to be replaced?
A. After first use of cylinder
B. When the cylinder becomes completely empty
C. While performing short-term work in emergency operations
D. During inspection if cylinder contains less than 90% of capacity
D
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Which of the following veins is NOT a site of peripheral venous access?
A) Subclavian B) Median basilic C) Saphenous D) External jugular
Which of these statements is false?
A) Cross-sectional occlusal radiographs of the mandible are taken with the occlusal plane perpendicular to the floor. B) Topographical occlusal radiographs of the mandible may be taken with the head positioned the same as for maxillary topographical occlusal radiographs. C) An image receptor holder is not required for stabilization of the image receptor. D) Mandibular topographical radiographs are taken with the midsagittal plane parallel to the floor.