Chapter 37 Flashcards
The most common way to report patient dose from diagnostic x-rays is:
entrance skin exposure
Medical imaging that captures the remnant beam to produce the image is now termed:
projection imaging
T/F: Mean Marrow Dose levels for children are higher than that of adults.
False
T/F: Alternate nonionizing modalities should only be an option when the dealing with a pregnant patient.
False
T/F: Mean Marrow Dose is a concept used to estimate the risk of radiation induced leukemia in a population.
True
Any time a patient receives a skin dose exceeding ___ Gy, it is referred to as a sentinel event and must be reported.
15
The type of radiation monitor most frequently used to measure patient exposure is the:
TLD
For the average fluoroscopy exam, the ESE is:
40 mGy/min
Which method of ESD measurement uses a family of curves to estimate patient exposure:
nomogram
Which of the following are ways in which patient dose may be expressed:
1. Bone Marrow Dose
2. Entrance Skin Exposure
3. Gonadal Dose
4.Tissue Dose
2 & 4
In the U.S. the Genetically Significant Dose from diagnostic x-ray is:
0.2 mGy/yr
T/F: Digital Radiographic Tomosynthesis can take 6-10 exposures with approximately the same patient dose as a single digital radiograph.
True
Which of the following is the easiest measure of patient dose to estimate:
entrance skin exposure
T/F: Bone marrow dose cannot be measured and is estimated from ESE.
True
