Early Effects
Late effects
Patient dose management
Occupational dose management
CT/X-ray/Fluoro dose
200

Effects upon future generations because of irradiation of germ cells in previous generation.

What is genetic effects?
200

The formation of cancer.

What is carcinogenesis?

200

Should be considered for all patients, especially children and those who are potentially reproductive. 

What is gonadal shielding?

200
Location of x-ray tube that increases the scatter dose to the operator.

What is above the table?

200
Dose to organs. 

What is tissue dose?

400
Exposure period where the symptoms recede, is often mistaken for early recovery from moderate radiation dose. 

What is latent period?

400

Same radiation dose delivered continuously over time.

What is protraction?

400

The least hazardous time during pregnancy to be exposed to radiation. 

What is the first 2 weeks of pregnancy?

400
Total equivalent dose for a pregnant radiation worker to the embryo-fetus.

What is 5 mSv?

400

TLDs and OSLs accurately measures ESE within what percentage.

What is 5%?


600

The whole-body radiation dose that causes 50% of irradiated subjects to die within 60 days. 

What is LD50/60?

600
Radioactive contrast agent shown to cause liver and spleen cancer.

What is Thorotrast or thorium dioxide?

600
Timeframe during a pregnancy where there is major organogenesis and high exposures may cause congenital abnormalities.

What is 2nd to 10th week?

600

A tissue weighting factor of 0.01 indicates that the tissue is more _________. 

What is radioresistant?

600

Gonad dose that would produce the total genetic effect on the population as the sum of the individual doses actually received.

What is the Genetically significant dose?

800

Syndrome that results from approximately 6 Gyt and peaks after a dose of 10 Gyt.

What is gastrointestinal syndrome?

800

Time after irradiation during which one might expect the radiation effect to occur.

What is the at-risk period?

800

Population that is at a higher risk because of organ radiosensitivity and longer life expectancy.

What is the pediatric population?

800

Dosimeter whose sensing material is aluminum oxide crystals.

What is optically stimulated luminescent dosimeter or OSL?

800

The average fluoroscopic examination dose per minute. 

What is 40 mGyt?

1000

As the whole-body radiation dose increases, the average time between exposure and death decreases. 

What is mean survival time?

1000
Radiation dose that produces twice the frequency of genetic mutations as would have been observed without the radiation. 

What is doubling dose?

1000
Exam that scores 5 symbols on the appropriateness criteria table. 

What is CT angiography, TIPS or PET-CT?

1000

Location of fetal dosimeter on the pregnant radiation worker. 

Where is at the waist under the lead apron?

1000

The patient radiation dose metric that is used to estimate stochastic radiation responses in populations. 

What is effective dose?

M
e
n
u