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cindy park

vt135

QuestionAnswer
DLPMO stands for? Dorsolateral-Palmaromedial Oblique
Radiographic projections should be described in what direction? Point of entrance to point of exit
True or False: Contrast gases are positive contrast agents. False, gases are negitive
The most common insoluable inert contrast agent is? Barium
True or False: Positive contrast agents are radiolucent, they appear bright white. False, they are radiopaque
What setting affects the number of x-rays produced mA
True or False: kVp controls the penetrating power and quality of x-rays True
Field of view for a thoracic radiograph should include what anatomical landmarks? Diaphragm, dorsal spinous process, thoratic inlet, sternum.
What is Sante's rule? 2 X thickness + 40 = kVp
Define ALARA As Low As Reasonably Achievable
What agency establishes guidlines for radiation protection? NRC
True or False: Fluid decreases subject contrast and fat increases it. True
Accidentally putting your gloved hand in the primary beam is? Not OK
True or False: A collimator is used to measure the thickness of the patients parts to be radiographed. False, A caliper is used
What can be radiographed to help estimate the age of a patient? The pulp canal
What 4 effects can radiation have on cells? 1. Nothing 2. Kill the cell 3. Irreparable 4. Reparable
True or False: The higher the frequency the less penetrating power of the wavelength. False, Higher frequency = more power
Define exposure time. The amount of time x-rays are permitted to leave the x-ray tube.
What is Bucky? Film placed under the table, so the grid is used.
What is the range of different opacities on a radiograph called? Latitude
Created by: VT126