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Rad protection ch 8 late effects

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1.
1 point
The absolute risk of radiation induced bone cancer is:
2.
1 point
There is a 5% risk of naturally occurring abnormalities with the risk increasing by ___ with a dose of ______
3.
1 point
Lung cancer DRR is ____________
4.
1 point
Callused, discolored, weathered appearance, tight, brittle and cracking skin are all describing what chronic condition resulting from radiation?
5.
1 point
Skin carcinoma has a latent period of ______ years
6.
1 point
Most data that is available regarding genetic mutations comes from research involving:
7.
1 point
Mutagens responsible for genetic mutation include:
8.
1 point
Lung cancer has a very high spontaneous incidence thus radiation sensitivity is small
9.
1 point
Radiation induced thyroid cancer has a latent period of up to ____ years
10.
1 point
Examples of natural spontaneous mutations are:
11.
1 point
Absolute risk for breast cancer is:
12.
1 point
____________ and ____________ do affect the degree of a genetic response suggesting that radiation responses are cumulative.
13.
1 point
Radium watch dial painters often developed ___________ as a direct result of ingesting the paint when they moistened the brush with their lips.
14.
1 point
If a embryo receives a high dose of radiation within 2 weeks of fertilization, the most pronounced effect is ____________
15.
1 point
The threshold for cataracts with fractionated exposure is ________
16.
1 point
Females are at a 3 to 5 times greater risk for radiation induced _____________
17.
1 point
Most mutations are dominant meaning that only one parent must carry the mutant gene for the mutation to appear in the offspring
18.
1 point
The average latent period for cataracts is _____ years
19.
1 point
Lower radiation doses during early pregnancy are known to cause:
20.
1 point
Thorium dioxide, used in thoratrast, contains several radioactive isotopes and contentrates in the:
21.
1 point
Skin carcinoma has a relative risk of ________ after 500 to 2000 rads
22.
1 point
Radiation induced genetic mutations can not skip generations.
23.
1 point
the doubling dose in humans is estimated to be in the range of _______________ rad
24.
1 point
Dose of radiation that will double the frequency of genetic mutations as would have been observed without the radiation.
25.
1 point
The older the individual, the greater the effect and shorter the latent period.
26.
1 point
Radiation induced leukemia is considered to have a latent period of _________ years
27.
1 point
What chronic damage can result from long-term gonadal dosage?
28.
1 point
Organogenesis happens from the ____________ week
29.
1 point
Improvements in mammography provides very low dose and studies do not show an increased risk with mammography.
30.
1 point
Known radiation induced cancers include:
31.
1 point
Uranium miners inhaled radioactive dust, which lead to an increase rates of _____________
32.
1 point
The frequency of radiation induced genetic mutations is extremely ___
33.
1 point
Relative risk of radiation induced bone cancer is ______
34.
1 point
Several studies have shown that women who had multiple exposures during TB testing and or fluoroscopy have an increase chance of __________
35.
1 point
Radiation induced mutations are usually harmful and any dose of radiation to a germ cell results in genetic risk
36.
1 point
Radiosensitivity of the lens of the eye is dependent on eye color
37.
1 point
The BEIR committee issued a report stating that less than 1 Rad per year is definitely not harmful.
38.
1 point
Radiation induced breast cancer has a latent period of __________ years
39.
1 point
Radiation does not create “new” mutations but only increases the numbers of those mutation already in existence.
40.
1 point
___________ exposed male and female fruit flies to various doses of radiation in 1927 at the university of texas, observing lethality and changes in appearance to off springs.
41.
1 point
The DRR for cataracts is _____________
42.
1 point
If the embryo is irradiated within the organogenesis period, ____________________________ abnormalities can occur.
43.
1 point
Absolute risk of radiation induced lung cancer is
44.
1 point
Ionizing radiation can cause chronic damage to what local tissues?
45.
1 point
Early radiation workers who were exposed to large amounts of radiation to their hands often developed ___________
46.
1 point
The Genetic DRR is _____________
47.
1 point
Patients who ingested thoratrast for exams demonstrated an increase in __________ due to the thorium releasing alpha particles as the thorium decayed.
48.
1 point
Radiation induced liver cancer has a latent period of ____________ years
49.
1 point
In addition to early effects, radiated skin can develop chronic damage such as:
50.
1 point
What is the relative risk that a response will be observed in a fetus irradiated in utero?
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