Radiation Biology Chapter 6 Exam Questions
With Correct Answers 100% Verified.
1. Guidelines for an institution's radiation monitoring program are established by the
a. hospital administrator c. chief radiographer
b. radiation safety officer d. radiologist - Answer✔ANS: B
2. How tall must primary protective barriers be?
a. 2 feet c. 5 feet
b. 3 feet d. 7 feet - Answer✔ANS: D
3. Leakage radiation from the x-ray tube housing shall not exceed _____ mR/hr at a distance of
1 meter from the tube.
a. 0.1 c. 10
b. 1.0 d. 100 - Answer✔ANS: D
4. How many rems whole body cumulative exposure would a 50-year-old radiographer be
allowed to receive?
a. 10 c. 50
b. 20 d. 100 - Answer✔ANS: C
5. A type of dosimeter consisting of radiation dosimetry film to determine the amount of
exposure personnel have received is the
a. thermoluminescent dosimeter (TLD)
b. optically stimulated luminescent dosimeter (OSL)
c. film badge
d. pen dosimeter - Answer✔ANS: C
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6. A device containing lithium fluoride or calcium fluoride crystals to calculate the amount of
personnel exposure is the
a. thermoluminescent dosimeter (TLD)
b. optically stimulated luminescent dosimeter (OSL)
c. film badge
d. pen dosimeter - Answer✔ANS: A
7. A dosimeter containing filters composed of aluminum, tin, and copper, and thin strips of
aluminum oxide, which when stimulated by a laser light becomes luminescent to the amount of
radiation received is the
a. thermoluminescent dosimeter (TLD)
b. optically stimulated luminescent dosimeter (OSL)
c. film badge
d. pen dosimeter - Answer✔ANS: B
8. A device which uses an ionization chamber to determine personal exposure level is the
a. thermoluminescent dosimeter (TLD)
b. optically stimulated luminescent dosimeter (OSL)
c. film badge
d. pen dosimeter - Answer✔ANS: D
9. The measurement of ionizing radiation doses to personnel is termed
a. bone marrow dose c. early effect
b. dosimetry d. workload - Answer✔ANS: B
10. Diagnostic radiology personnel may receive an annual effective dose limit of _____ rem for
whole-body occupational exposure during routine operations.
a. 0.5 c. 5.0
b. 1.0 d. 10 - Answer✔ANS: C
11. Primary protective barriers must consist of _____ inch lead.
a. 1/16 c. 1/4
b. 1/8 d. 1/32 - Answer✔ANS: A
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