CERTIFICATION EVALUATION QUESTIONS
AND FULL SOLUTION GUIDE GRADED A+
⩥ What increases radiation exposure?
Answer: Additional unnecessary images in the same angles, increasing
magnification
⩥ what are the three principles of reducing radiation?
Answer: TIME, DISTANCE, AND SHIELD
⩥ DSA Stands for
Answer: Digital Subtraction Angiography
⩥ What is the annual maximum radiation exposure?
Answer: 5 rem or 50 msv
1 rem=10 msv
⩥ Anode has what charge?
Answer: positive charge
⩥ Cathode has what charge?
, Answer: negative charge
⩥ Air kerma is measured in what?
A. Gray
B. Sievert
C. Miligrams
Answer: A. Gray
⩥ What angle produces the highest radiation exposure to the operator on
teh right side of the patient?
Answer: LAO
⩥ Occupational exposure is from
a. primary beam
b. scatter radiation
Answer: b. scatter radiation
⩥ Patient exposure is from
a. primary beam
b. scatter radiation
Answer: a. primary beam