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FREE RADIOLOGY AND STUDY GAMES ABOUT SHERER
CH9 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: greatest risk for radiation induced mental retardation for embryo-fetus
Answer:
8-15 weeks after conception Question 2: possibility of inducing a radiogenic cancer or genetic defect after irradiation
Answer:
risk
Question 3: negligible individual annual dose
Answer:
.01 mSv
Question 4: what are action limits typically set at?
Answer:
1/10 the actual limit
Question 5: annual public exposure limit for EqD to localized areas of skin, hands, feet
Answer:
50 mSv Question 6: set of numeric dose limits based on calculations of various risks of cancer and genetic fx to tissues or organs exposed to radiation
Answer:
effective dose limiting system Question 7: Oversees the nuclear energy industry, enforces radiation protection standards, publishes rules and regulations, enters into agreements with state governments permitting state to license and regulate use of radioisotopes & other materials
Answer:
NRC - Nuclear Regulatory Commission Question 8: mutations developed in reproductive cells that could have injurious consequence in subsequent generation
Answer:
mutagenesis Question 9: Enforce radiation protection regulations through their respective health departments
Answer:
Agreement states
Question 10: 4 organizations that oversee radiation protection
Answer:
IRCP, NRCP, UNCEAR, NSA/NCR-BEIR
Question 11: 2 objectives of radiation protection
Answer:
prevent clinically important radiation-induced nonstochastic effect from occuring, limit risk of stochastic responses to conservative level
Question 12: duties that RSO required to perform
Answer:
ID rad safety problems; initiate, recommend, or provide corrective action; stop unsafe operations involving byproduct material; verify implementation of corrective actions Question 13: randomly occuring biologic somatic changes in which the chance of occurrence of the effect rather than the severity of the effect is proportional to the dose of ionizing radiation
Answer:
stochastic (probablistic) effects Question 14: evaluate info in biologic effects of radiation and provide radiation protection guidance thru general recommendation on occupational and public dose limits.
Answer:
IRCP - International Commission on Radiological Protection Question 15: has the authority to control the possession, use, and production of atomic energy in the interest of national security
Answer:
Nuclear Regulatory Commission (NRC)
Question 16: total external plus internal cumulative EfD limit
Answer:
age in years x 10mSv
Question 17: Entire pregnancy EqD limit
Answer:
- mSv (.5 rem)
Question 18: mandates that a radiation safety committe (RSC) be established for the facility to assist in development of rhe radiation safety program
Answer:
NRC
Question 19: Ensures facility follows internationally accepted guidelines for rad protection.normally a medical physicist, health physicist, radiologist, or ohter inficifual qualified through adequate training and experience.
Answer:
Radiation Safety Officer (RSO) Question 20: Functions as a monitoring agency in places of employment, predominantly in industry
Answer:
Occupational Safety and Health Administration (OSHA) Question 21: standards ensure protection of occupational and non occupationally exposed persons from faulty manufacturing
Answer:
FDA Question 22: annual EqD limit for lens of eye for educational and training purposes
Answer:
15 mSv Question 23: required establishment of minimal standards for accreditation of educational programs for persons who perform radiologic procedures and certification of those persons
Answer:
Consumer-Patient Radiation Health and Safety act of 1981 Question 24: Evaluates human & environmental radiation exposure and derives radiation risk assessments from epidemiologic data and research conclusions, provides info to organizations such as IRCP for eval
Answer:
UNSCEAR - United Nations Scientific Committee on the Effects of Atomic Radiation
Question 25: annual effective dose limit for educational and training purposes
Answer:
- mSv