- To reduce the amount of scatter radiation, which of the following should be done by the radiographer?A. Increase kVp and reduce mAsB. Utilize precise collimationC. Increase the OIDD. Decrease film-screen speed
- How many times should radiation scatter before reaching behind the control booth or a mobile protective barrier?A. One timeB. Two timesC. Three timesD. Four times
- Where should a radiation monitor be worn to assure that a technologist is NOT receiving too much radiation?A. On the collarB. At the waistC. On the fingerD. In a pocket
- When referring to a whole body dose, which of the following is NOT included?A. Eyes and neckB. Hands and feetC. Reproductive organsD. Blood forming organs
- Which of the following characteristics makes lead such an excellent protective barrier?1. High density2. High atomic number3. High absorption coefficient4. All of the above
- Which of the following will reduce radiation exposure to personnel?1. Reduce time of exposure2. Increase distance from source of radiation3. Insert shielding between source of radiation and personnel4. All of the above
- Mobile protective barriers should NOT be used when making exposures above what kilovoltage?A. 70 kVpB. 90 kVpC. 110 kVpD. 140 kVp
- The fact that distance is the best protection against radiation is proven by which of these laws?A. Ohm's lawB. Inverse square lawC. Coulomb's lawD. Law of conservation of energy
- Which of the following materials is the most effective as a protective barrier?A. LeadB. Lead glassC. CopperD. Aluminum
- Which apparatus is needed for the construction of a sensitometric curve?1.Penetrometer2.Densitometer3.Electrolytic canister
- The lead equivalency for a pair of protective gloves must be at least how much?A. .25 mmB. .50 mmC. .75 mmD. 1.5 mm
- Which type of articulation is evaluated in arthrography?
- During film-screen imaging, the manifest image is formedA. on exposure of the film emulsionB. in the developer solutionC. in the first half of the fixer processD. in the second half of the fixer process
- What is the effective dose limit to the fetus of a pregnant radiologic technologist?A. .1 mSv/monthB. .5 mSv/monthC. 1.0 mSv/monthD. 5.0 mSv/month
- Which of the following would never be considered as a primary barrier in normal diagnostic radiography?A. A wallB. The floorC. The ceilingD. A mobile shield
- Which of the following positions will demonstrate the right axillary ribs? 1. RAO 2. LAO 3. RPO
- Which of the following is correct for an AP projection of the upper airway?A. The acanthiomeatal line is perpendicular to the image receptor.B. The glabellomeatal line is perpendicular to the image receptor.C. The CR enters at the level of C2D. The midsagittal plane is parallel to the image receptor.
- All the following have an impact on radiographic contrast exceptA. photon energyB. grid ratioC. OIDD. focal-spot size
- The primary center of ossification in long bones is theA. diaphysis.B. epiphysis.C. metaphysis.D. apophysis.
- Radiation that passes through the tube housing in directions other than that of the useful beam is termed?