A form of beam restriction that is a circular, metal piece attached to the tube housing that can be extended is:
PBL
wedge filter
an aperture diaphragm
an extension cone
an extension cone
Rationale: Extension cones attach to the tube head. Cones may be cylinder or flare type. Extension cones are able to telescope out and come in different diameters to alter the field size.
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The Le Fort ______ fracture is pyramidal. It extends from the nasal bone, to the frontal processes of the maxilla, lacrimal bones, and inferior orbital floor, and may extend into the orbital foramen
Inferiorly, it extends into the anterior maxillary sinus, and into the pterygoid plates. A. II C. III B. IV D. I
Which of the following syndromes is caused by damage to the glomerulus, usually from a local or systemic disease?
a. Urinary syndrome b. Sitz syndrome c. Nephrotic syndrome d. Pelvic syndrome