Radiology Questions

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