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cindy park
vt135
Question | Answer |
---|---|
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 |