Math
Radiation Protection & Types
Interactions, Units, Dosimeters
Cell Biology
Radiation Biology
100

37,000 V to kV.

What is 37 kV?

100
Method of comparison used by technologists to explain radiation to patients.

What is background equivalent radiation time? (BERT)

100

Interaction where loosely bound outer shell electron is ejected. (Occupational exposure)

What are Compton interactions?

100

Most abundant molecule in the body.

What is water?

100

Biologic material is more radiosensitive in this type of environment. 

What is an oxygenated environment?

200

(I1)/(I2)/(D2)^2/(D1)^2

What is the inverse square law?

200

Radiation capable of creating electrically charged particles by removing orbital electrons.

What is ionizing radiation?

200

Dosimeters that measure skin dose.

What are thermoluminescent dosimeters (TLD)?

200

Class of macromolecules that function as enzymes, hormones and antibiodies.

What are proteins?

200

The terminology for the rate of energy transferred per unit length of track. 

What is linear energy transfer?

300

The amount of time to reduce 50uCi of 131I to 6.25uCi (t1/2= 5 days).

What is 15 days?

300

Degree to which a study accurately reveals the presence or absence of disease. 

What is diagnostic efficacy?

300

Only requires a radiation weighting factor to calculate this.

What is equivalent dose?

300

Period of cell growth that occurs before mitosis.

What is interphase?

300

X-rays and gamma rays are considered to be ______.

What is low LET?

400

14 Sv to rem.

What is 1,400 rem?

400

Largest source of man-made radiation.

What is diagnostic imaging?

400

Meter used to measure the radiation output from radiographic and fluoroscopic equipment. 

What is a "cutie pie" or ionization chamber?

400

Base that replaces thymine when mRNA is transcribed from the DNA template. 

What is uracil?

400

Occurs when a cell's master molecule is hit with radiation.

What is death?

500

50 R to C/kg.

What is 1.29 x 10-2?

500

Electromagnetic energy released during radioactivity.

What are gamma rays?

500

Describes the amount of energy per unit mass transferred from an x-ray beam to an object.

What is absorbed dose?

500

This carries genetic information from cell nucleus to ribosomes.

What is mRNA (messenger RNA)?

500
Action that produces free radicals. 

What is an indirect action?

M
e
n
u