RADT 142 Unit 1 Test Questions and Answers

RADT 142 Unit 1 Test Questions
and Answers
Radiation injuries - Answer-Erythema, alopecia, anemia and cataract

Electrical Energy - Answer-Work that can be done when an electron moves through an
electrical potential difference.

Cm in 1 inch - Answer-2.54

3 Cardinal Principles of Radiation Protection - Answer-Time, distance and shielding

Collimation - Answer-Restriction to certain body parts

Filtration - Answer-Metal filters that absorb radiation

Radiation injuries - Answer-Erythema, alopecia, anemia and cataract

Electrical Energy - Answer-Work that can be done when an electron moves through an
electrical potential difference.

Unit of Radiation Exposure - Answer-Roentgen (R)
SI - Air Kerma (GYa)

Unit of Absorbed Dose - Answer-rad
SI - gray (GYi)

Unit of Effective Dose - Answer-rem
SI - Sievert (Sv)

Employee dose limit - Answer-5 rem (50 mSv) per year

Unit of Radioactivity - Answer-Curie (Ci)
SI - becquerel (Bq)

Velocity formula - Answer-V= d/t
SI (m/s)

Acceleration Formula - Answer-A = Vf-Vi/t
SI (m/s2)

Force Formula - Answer-F = mass X acceleration