37,000 V to kV.
What is 37 kV?
What is background equivalent radiation time? (BERT)
Interaction where loosely bound outer shell electron is ejected. (Occupational exposure)
What are Compton interactions?
Most abundant molecule in the body.
What is water?
Biologic material is more radiosensitive in this type of environment.
What is an oxygenated environment?
(I1)/(I2)/(D2)^2/(D1)^2
What is the inverse square law?
Radiation capable of creating electrically charged particles by removing orbital electrons.
What is ionizing radiation?
Dosimeters that measure skin dose.
What are thermoluminescent dosimeters (TLD)?
Class of macromolecules that function as enzymes, hormones and antibiodies.
What are proteins?
The terminology for the rate of energy transferred per unit length of track.
What is linear energy transfer?
The amount of time to reduce 50uCi of 131I to 6.25uCi (t1/2= 5 days).
What is 15 days?
Degree to which a study accurately reveals the presence or absence of disease.
What is diagnostic efficacy?
Only requires a radiation weighting factor to calculate this.
What is equivalent dose?
Period of cell growth that occurs before mitosis.
What is interphase?
X-rays and gamma rays are considered to be ______.
What is low LET?
14 Sv to rem.
What is 1,400 rem?
Largest source of man-made radiation.
What is diagnostic imaging?
Meter used to measure the radiation output from radiographic and fluoroscopic equipment.
What is a "cutie pie" or ionization chamber?
Base that replaces thymine when mRNA is transcribed from the DNA template.
What is uracil?
Occurs when a cell's master molecule is hit with radiation.
What is death?
50 R to C/kg.
What is 1.29 x 10-2?
Electromagnetic energy released during radioactivity.
What are gamma rays?
Describes the amount of energy per unit mass transferred from an x-ray beam to an object.
What is absorbed dose?
This carries genetic information from cell nucleus to ribosomes.
What is mRNA (messenger RNA)?
What is an indirect action?