Exam (elaborations)
ARRT Fluoroscopy Prep -1(88 questions with 100- correct answers).
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ARRT Fluoroscopy Prep -1(88 questions with 100- correct answers).
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ARRT FluoroscopyPrep #1(88
questions with
100% correct
answers)
Human responses to radiation are categorized as (2): - answer
Deterministic and stochastic.
Deterministic radiation responses usually follow (high/low) ________
dose and (early/late) ________ response. - answer High. Early.
Stochastic radiation responses usually follow (low/high) _____ dose and
(early/late) _____ effects. - answer Low. Late.
Every dose-response relationship has two characteristics: - answer
Linear. Nonlinear.
,Linear dose-response relationship is because the dose is
(directly/indirectly) __________ proportionate to the dose. - answer
Directly.
In a linear dose-response relationship, if the dose is doubled, then the
response is:
A. Exponential.
B. Doubled.
C. Tripled - answer B.
Radiation levels from extended C-Arm fluoroscopy procedures or
angiographic fluoroscopy can be high enough to cause:
A. Deterministic effects.
B. Stochastic effects. - answer A.
Linear, non-threshold response is followed by (deterministic/stochastic)
_______ effects. - answer Stochastic.
Severity is independent of dose level in (stochastic/deterministic) _____
effects. - answer Stochastic.
Stochastic effects are:
A. Random.
B. More severe above a certain threshold.
, C. Are primarily concerned in low-level radiation (diagnostic radiology)
D. A and B.
E. A and C.
F. All of the above. - answer E.
Most late effects of radiation exposure are __________ in nature.
A. Stochastic.
B. Deterministic - answer A.
Non-linear, threshold response curve typically is followed by
(stochastic/deterministic) _____ effects. - answer Deterministic.
Deterministic effects is synonymous to (2 terms): - answer Somatic and
non-stochastic.
Deterministic effects increase severity with increasing dose whereas
stochastic effects increase: - answer Probability.
Radiosensitivity increases/decreases with age after maturity. - answer
Increases.
Radiosensitivity is highest:
A. In utero.
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