- Because it is considered a primary protective barrier, the image intensifier must have a lead equivalent of at least:0.25 mm 0.50 mm 1.5 mm 2.0 mm
- Protective aprons should have at a minimum:0.25 mm Al equivalent0.25 mm Pb equivalent0.5 mm Al equivalent1 mm Pb equivalent
- Which of the following grid ratios could be used most often in the 80 kVp or less range:16:1 12:1 10:1 8:1
- In the lateral thoracic spine projection, the CR enters at the level of:T3-4 T7 T 4-5 T 5-6
- When a photostimulable phosphor plate (PSP) is exposed to radiation the latent image is-released immediately after exposure to the TFT-produced in a charge coupled device-the electrons that are trapped in the condution band-not found on PSP plates, only on fillm
- The amount of internal rotation for the Ap medial oblique ankle projection is:5 degrees 15 to 20 degrees 35 degrees 45 degrees
- Walls in radiographic rooms that serve as primary protective barriers must be at least which of the following heights:5 feet 7 feet 10 feet 12 feet
- The exposure indicator for digital imaging is:used to determine techniquerequired by federal lawan indication of radiation quantityan indication of radiation quality
- Which of the following is TRUE:-all radiations in the electromagnetic spectrum travel at the same velocity -wavelength and frequency have a parallel relationship -fallout accounts for the largest artificial exposure to man -Brems and Characteristic interactions occur in the patient
- An image will demonstrate which of the following if a focused grid was upside down:-the sides of the image will be underexposed-the center of the image will be underexposed-there will be no effect -grid lines will be seen across entire image
- Which of the following groups of exposure factors will produce the greatest image exposure:100 mA, 0.30 s 200 mA, 0.10 s 400 mA, 0.03 s 600 mA, 0.03 s
- Which of the following is a disease of newborns that is characterized by a granular or "ground glass" appearance in the chest?crouppneumoniaMycosishyaline
- Morphine, codeine and Demerol are all:analgesics anticholinergics narcotics emetics
- Free radicals are produced by the:Indirect effect Direct effect Target theory Doubling dose
- The maximum height of a waveform is called it's:frequency wavelength amplitude crest
- Bones are composed of a dense outer layer of bony tissue called the:periosteummedullary canalcompact bonespongy tissue
- If an object is located immediately inferior to the right lumbar region of the abdomen, in which region is it located:right pelvic right iliac hypogastric epigastric
- Which of the following interactions with matter leaves an atom ionized?A. Compton effect and photodisintegrationB. Compton effect and photoelectric absorptionC. Pair production and photodisintegrationD. Pair production and photoelectric absorption
- The first stage of infection is known as the:degenerationincubationprodromal inflammation
- A sampling frequency of 5 pixels per millimeter would produce how much spatial resolution? A. 2.5 line pairs per millimeterB. 5.0 line pairs per millimeterC. 7.5 line pairs per millimeterD. 10 line pairs per millimeter