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RADT 142 unit 1 Exam Study Guide | Questions And Answers Latest {} A+ Graded | 100% Verified
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RADT 142 unit 1 Exam Study Guide | Questions And Answers Latest {} A+ Graded | 100% Verified
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RADT 142 unit 1 Exam Study Guide | Questions And Answers Latest {2024- 2025} A+Graded | 100% Verified
Radiation - Transfer of energy through space or a material away from the source.
X-rays - Electromagnetic radiation with extremely short wavelengths.
A.A.R.T. - American Registry of Radiologist Technologist
C.R.T. - Certified Radiologist Technologist
A.S.R.T. - American Society of Radiologist Technologists
ALARA - As low as reasonably achievable
3 Cardinal Principles of Radiation Protection - Time, distance and shielding
Collimation - Restriction to certain body parts
Filtration - Metal filters that absorb radiation
Radiation injuries - Erythema, alopecia, anemia and cataract
Electrical Energy - Work that can be done when an electron moves through an electrical potential
difference.
Cm in 1 inch - 2.54
Unit of Radiation Exposure - Roentgen (R)
, SI - Air Kerma (GYa)
Unit of Absorbed Dose - rad
SI - gray (GYi)
Unit of Effective Dose - rem
SI - Sievert (Sv)
Employee dose limit - 5 rem (50 mSv) per year
Unit of Radioactivity - Curie (Ci)
SI - becquerel (Bq)
Velocity formula - V= d/t
SI (m/s)
Acceleration Formula - A = Vf-Vi/t
SI (m/s2)
Force Formula - F = mass X acceleration
SI (N)
Weight formula - W = m x g
SI (N & lbs)
Work formula - W = F X D
SI unit (J)
Momentum Formula - P = mass X velocity
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