ARRT Practice Questions and Correct Answer1.

ARRT Practice Questions and Correct
Answers
Radiation Exposure is most commonly measured as Exposure or:



-effective dose

-air kerma

-absorbed dose

-equivalent dose - correct answers:air kerma



What radiation measurement describes the joules of radiation energy transferred and absorbed in tissue



-effective dose

-air kerma

-absorbed dose

-equivalent dose - correct answers:absorbed dose



How does increasing mAs affect the measured Exposure of the Beam?



-increase exposure

- decrease exposure

- no change - correct answers:exposure increase



How does decreased kVp affect the ABSORBED DOSE to the patient?



-increase

-decrease

-no change - correct answers:decrease

, When the distance between xray source and the RT increases, what happens to effective dose?



-increase

-decrease

-no change - correct answers:decrease



Which of these are NOT a measure of radiation in tissue?



-effective dose

-exposure

-absorbed dose

-equivalent dose - correct answers:exposure



Which of the following in a common measurement used to evaluate the intensity of the beam?



-effective dose

-exposure

-absorbed dose

-equivalent dose - correct answers:exposure



Which of the following radiation measurement are used to quantify the risk of long term radiation
injuries such as cancer?



-effective dose

-air kerma

-absorbed dose

-equivalent dose - correct answers:effective dose