A. The effective/nominal focal area is smaller than actual focal area. B. The effective/nominal focal area determines the tube rating. C. The effective/nominal focal area is independent on the anode angle. D. The effective/nominal focus is modelled as a round shape.
A. mAs, kVp. B. kVp, exposure distance to subject. C. Exposure distance to subject, filtration. D. kVp, filtration.
A. radiolucent - permit x-rays to pass through B. fixed - allow tilting up or down C. Effective - especially when positioning large patients D. Hard - easily cleaned difficult to scratch
A. cassette carriage B. X-ray source C. Ionization chamber D. image intensifier
A. Oblique projection is possible with undertable units. B. A room height of three meters is proved optimal for installing examination unit. C. There must leave at least 50cm space between wall and table top. D. The movement of table must stop when the tube or table top is no more than 12cm away from the ceiling.
A. nearly unlimited range of projection directions B. providing both radiography and fluoroscopy C. performing angiography D. having a wide tilt range
A. floating table B. table-side control C. Fluoroscopy D. variable SIDs
A. Pulmonary B. Interlobular C. respiratory D. bronchial
A. mediastinum B. Fissure C. Root D. pleura
A. Lobes B. Fissures C. Pleura D. bronchi
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