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Dental Radiation and Safety Exam Study Guide Questions and Answers $10.49   Add to cart
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Dental Radiation and Safety Exam Study Guide Questions and Answers
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  • Course
  • Radiation safety
  • Institution
  • Radiation Safety

The inventor of X-rays in 1895 was - Answer-Roentgen The central beam that comes from the X-ray tube head is ——- radiation - Answer-Primary The radiation formed when the primary X-rays strike the patient is ——- radiation - Answer-Secondary The radiation that is deflected from its p...

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  • October 10, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • dental radiation and safety exam study guide quest
  • the inventor of x rays in 1895 was answer roentg

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  • Radiation safety
  • Radiation safety

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Radiation Protection Exam 2 (tabs 8 & 9)
Q&A
Purpose - Answer-Requirements and provisions for the medical use of byproduct
material.

Scope - Answer-Requirements provide for the radiation safety of workers, general
public, patients, and human research subjects.

Written directive - Answer--Authorized user's written order for the administration of
byproduct material or radiation to specific patient or research subject.
-NEEDED before any administration of I-131 sodium iodide greater than 1.11 MBq (30
uCi) or any THERAPEUTIC dosage of unsealed byproduct material.

Written directive needs: - Answer-1. I-131: patient's name & dosage
2. Any other unsealed byproduct material: patient's name, radioactive drug, dosage,
route of administration

T or F: An existing directive may be revised if it is dated & signed by authorized user
before administration occurs. - Answer-True

All records we keep for 3 years except ______ - Answer-Radiation protection program
procedures
*5 years*

Other than unit dosages - Answer-Dosage withdrawn from a multi-dose vial

Other than unit dosages determined by - Answer--Direct measurement or
-Combo of measurement and mathematical calculation or
-Combo of volumetric and math calc, based on measurement made by manufacturer or
preparer.

Licensee cannot use dosage if it doesn't fall within prescribed dosage range + or - ___
%, unless approved by authorized user. - Answer-20%

T or F: You must determine and record the activity of each dosage before medical use. -
Answer-True!

3 Permissible concentrations - Answer-*interchangeable with uCi per mCi*
0.15 KBq of Mo-99 per MBq of Tc-99m
0.02 KBq of Sr-82 per MBq of Rb-82
0.2 KBq of Sr-85 per MBq of Rb-82

, Licensee must provide radiation safety instructions ___ and at least ____ to personnel
caring for patients who can't be released.
Instructions include (5): - Answer-Initially and annually
1. Patient control - stay in room
2. Visitor control - when & how long visitors are allowed in room, post on door & in chart
3. Contamination & waste control - monitor materials & items removed from pts. room
4. Post room w/ "Radioactive Materials" sign
5. Notification of RSO and authorized user (doctor) if patient dies or has a medical
emergency
6. Provide with private sanitary facility

Safety precautions for patients who are hospitalized but can leave their rooms: -
Answer-Everything for pt. who can't leave except no "radioactive materials" sign & don't
have to monitor items leaving the room.

Criteria for a Medical Event - Answer--Wrong dose (+/- 20%) OR
-wrong patient OR
-wrong site
AND
-has to cause harm to the patient which is a dose greater than 5 rem whole body
(effective) OR
-50 rem to organ or tissue OR
-50 rem to skin (shallow)

Criteria for a Medical Event pt. 2 - Answer-1. Same "cause harm" doses
AND
2. differs by 20% or more
OR
3. dose falls outside prescribed dose range

Medical Event Notification - Answer-Notify NRC by phone no later than the next
calendar day. Send written report within 15 days. No PHI!

You may release a patient containing unsealed byproduct material if the total effective
dose to another ind. wouldn't exceed ___ rem - Answer-0.5 rem

Licensee must report dose to embryo/fetus if it's greater than___rem - Answer-5 rem
and not approved in advance by authorized user.

1 Sv = ___ rem - Answer-100

Research requirements - Answer-1. Research on human subjects only if uses are
specified on the license
2. Obtain review & approval from Institutional Review Board (IRB) & informed consent
from patients.

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