FREE AND STUDY GAMES ABOUT RADIATION PROTECTION

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FREE AND STUDY GAMES ABOUT RADIATION PROTECTION

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -60 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: When a radiologic procedure requires the hands of a radiation worker to be near the primary beam, the equivalent dose to the hands of that individual may be

determine though the use of:

Answer:

A TDL ring worn on the hand of the radiation worker.Question 2: When the negatively and positively charged electrodes in the pocket ionization chamber are exposed to the ionizing radiation, the mechanism does which of the following?

Answer:

It discharges in direct proportion to the amount of radiation to which it has been exposed.Question 3: Resembles an ordinary fountain pen but contain a thimble ionization chamber that measures radiation exposure

Answer:

Pocket dosimeter

Question 4: The increased sensitivity of the OSL dosimeter make it ideal for monitoring

employees working in the low-radiation environments and for:

Answer:

Monitoring of pregnant workers Question 5: During diagnostic imaging procedures, how should the radiation dose to the abdomen of a pregnant radiographer be monitored during gestation?

Answer:

It should be obtained from a second radiation monitor worn at the abdominal level.

Question 6: Used to calibrate radiographic and fluoroscopic units

Answer:

Ionization chamber connected to an electrometer Question 7: The TLD readout process:

Answer:

Destroys the information stored in theTLD

Question 8: Sensing material found in OSL dosimeters

Answer:

Aluminum oxide (Al203) Detector Question 9: Extremity monitor worn by an imaging professional as a second monitor when performing fluorodcopic procedures that require the hands to be near the primary x-ray beam

Answer:

TLD Ring

Question 10: And ionization chamber type survey meter is also referred to as a

Answer:

Cutie pie Question 11: Which of the following chemicals functions as the sensing material in a thermoluminescent dosimeter?

Answer:

Lithium Fluoride

Question 12: Radiation survey instruments measure?

Answer:

The total quantity of electrical charge resulting from ionization of the gas. The rate at which an electrical charge is produce.Question 13: For x-rays and gamma ray photons with energies from 5 keV to in excess of 40 MeV, the ______ gives an accurate reading as low as 1 mrem

Answer:

OSL Dosimeter Question 14: Which of the following instruments is used to calibrate radiographic and fluoroscopic x-ray equipment?

Answer:

Ionization chamber with electrometer Question 15: When laser light is incident on the sensing material in an OSL dosimeter, the

material:

Answer:

Becomes luminescent in proportion to the amount of radiation exposure received.Question 16: TheOSL dosimeter uses:

Answer:

An Al2O3 detector Question 17: Specific gas-filled radiation detectors that detect the presence of radiation and, when properly calibrated, give a reasonably accurate measurement of the exposure

Answer:

Radiation Survey Instruments Question 18: Lists the deep, eye, and shallow occupational exposures of each person in a health care facility as measured by the exposed monitor.

Answer:

Personnel Monitoring Report

Question 19: Historically, which of the following personnel dosimeters allowed radiation workers to determine occupational exposure received as soon as specific radiation procedure was completed?

Answer:

Pocket Dosimeter Question 20: Which of the following instruments should be used in a laboratory to detech alpha and beta radiation and small amounts of other types of lower level radioactive contamination?

Answer:

Proportion or counter Question 21: On termination of employment, a radiographer should receive a copy of:

Answer:

His or her occupational exposure report Question 22: Which of the following Instruments should be used in an x-ray installation to assess the fluoroscopic scatter radiation exposure rate?

Answer:

Ionization chamber with electrometer Question 23: An instrument that can be used to determine the amount of radiation to which a film badge dosimeter has be exposed

Answer:

Densitometer Question 24: Required whenever radiation workers are likely to receive 10% or more of the annual EfD limit of 50 mSv (50 rem) in any 1 year as a consequence of their work-related activities.

Answer:

Exposure monitoring of personnel Question 25: During a routine radiographic procedures, when a protective apron is not being worn, the primary personnel dosimeter should be attached to the clothing on the front of the

body at:

Answer:

Collar level to approximate the maximum radiation dose to the thyroid and the head and neck.