Extremities QC X-ray tube construction
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| Orthoroentgenography, or radiographic measurement of long bones of an upper or lower extremity, requires which of the following accessories......Bell-Thompson scale, Bucky tray, Cannula? | show 🗑
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| show | All of them
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| Which projection of the foot will best demonstrate the longitudinal arch......Mediolateral, Lateromedial, Lateral weight-bearing, 30° medial oblique? | show 🗑
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| show | Transverse arch & Longitudinal arch
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| Which of the following articulates with the base of the fifth Metatarsal.............First cuneiform, Third cuneiform, Navicular, Cuboid? | show 🗑
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| show | AP Oblique, Medial rotation
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| The term varus refers to what? | show 🗑
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| show | Radial Head
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| With which of the following does the trapezium articulate.....Fifth metacarpal, First metacarpal, Distal radius, Distal ulna? | show 🗑
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| Which of the following bones participate(s) in the formation of the knee joint......Femur, Tibia, Patella? | show 🗑
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| In which projection of the foot are the sinus tarsi, cuboid, and tuberosity of the fifth metatarsal best demonstrated......Lateral oblique foot, Medial oblique foot, Lateral foot, Weight-bearing foot? | show 🗑
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| show | AP & Scapular Y
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| show | Olecranon process in the Olecranon fossa & Coronoid process free of superimposition.
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| With patient seated at end of the x-ray table, elbow flexed 80 degrees, CR directed 45 degrees laterally from shoulder to elbow joint, which of the following will be demonstrated best...Radial head, Ulnar head, Coronoid process, Olecranon process? | show 🗑
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| show | Epiphysis
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| show | AC joint & Clavicular body
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| show | Greater Tubercle
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| List the following in order from lateral to medial.......Trapezoid, Capitate, Hamate, Trapezium | show 🗑
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| show | AP Medial Oblique
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| show | Intertrochanteric line
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| show | AP erect
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| show | Supine Flexion 45 degrees (Merchant)
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| show | The greater the tomographic angle, the thinner the section.
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| A patient unable to extend his or her arm is seated at the end of the x-ray table, elbow flexed 90 degrees. The CR is directed 45 degrees medially. Which of the following structures will be demonstrated best....Radial head, Capitulum, Coronoid process | show 🗑
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| show | Metaphysis
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| show | Yes
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| show | All of them
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| show | All of them
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| In which position of the shoulder is the greater tubercle seen superimposed on the humeral head? | show 🗑
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| show | All of them
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| show | Medial oblique 45°
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| The coronoid process should be visualized in profile in which of the following positions......Scapular Y, AP scapula, Medial oblique elbow, Lateral oblique elbow? | show 🗑
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| In the lateral projection of the ankle, the......Talotibial joint is visualized, Talofibular joint is visualized, Tibia and fibula are superimposed? | show 🗑
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| Which of the following positions can sesamoid bones of foot be demonstrated to be free of superimposition with the metatarsals or phalanges...Dorsoplantar metatarsals, Tangential metatarsals, 30-degree medial oblique foot, 30-degree lateral oblique foot | show 🗑
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| show | All of them
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| The tissue that occupies the central cavity within the shaft of a long bone in an adult is.....Red marrow, Yellow marrow, Cortical tissue, Cancellous tissue? | show 🗑
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| show | Talotibial & Talofibular joints
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| show | AP erect both shoulders
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| show | 3200-3600 to 10000-12000 rpm's
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| What are the silver plated ball bearings used as between the shaft & rotor? Why is this? | show 🗑
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| What is the shaft of the rotor made of? Why is this? | show 🗑
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| Where is the timer circuit located? | show 🗑
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| show | Varies the incoming line voltage to the appropriate level by varying the # of turns in the coil via the taps.
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| show | Exposure starts at the highest mA station possible, once max heat load met, drops down to next. Can do shorter exposure times, since will be starting out in the highest mA. Cannot use breathing techniques. Consistent use of high mA shortens filament life.
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| show | 3 phase 6 pulse uses 6 diodes (rectifiers). 3 phase 12 pulse uses 12 diodes (rectifiers).
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| show | CR alignment. Semi annually. =/- 1% (In Ca it's =/- 2%). 2& for SID with tape measure.
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| Which size focal spot is the lead star pattern QC test for? The pinhole camera? | show 🗑
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| What is used to measure for the QC test testing for exposure reproducibility? What is it measuring? When measuring several exposures are made in a row with the same technique (different mA different times = to same mAs), what QC test is performed first? | show 🗑
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| What is the acceptance limit for the kVp & timer accuracy? | show 🗑
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| show | QC X-ray tech does semi annual testing. The physicist does annual testing. The acceptance test is performed by the physicist & is done after installation, but before patient use.
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| Who does the x-ray tech report to for immediate service? | show 🗑
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| What may form ghosting on CR images? | show 🗑
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| If an artifact reappears on CR image if no visible artifact is found on the cassette, which area is faulty? If the artifact appears in different areas on CR images after checking for a visible artifact, what may the issue be? | show 🗑
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| show | Dust in any area, may prevent light from being read, either preventing photoemission &/or photodetecting causing artifact, or non uniform density. Dust on the infrared beam for CR images.
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| show | Plates should be erased every 48 hrs if they haven't been used (sooner if they're in the x-ray room).
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| What are the QC factors for the display monitor? | show 🗑
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Created by:
jamestkelley
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