Responsibilites Flashcards

(36 cards)

1
Q

Term for Responsibility for, and control of, quality radiation safety and technical aspects of all x-ray exams

A

General supervision

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2
Q

Fluoroscopy exams should by guided by _____ concept

A

ALARA

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3
Q

The _____ of 1968 is aimed at minimizing pt. and operator x-ray exposure, w/o sacrificing diagnostic info.

A

Radiation control for health and safety act

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4
Q

_____ are prohibited from performing fluoroscopic procedure

A

limited x-ray technicians

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5
Q

_____ must be notified when individuals are exposed to radiation , for other than prescribed medical purposes, in excess of the limits noted

A

Stat department of health services

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6
Q

_____ notification is required if an individual has received :

  • –A total effective dose equivalent of 25 rems (0.25 Sv) or more
  • –An eye dose equivalent of 75 rems (0.75 Sv) or more
  • –A shallow-dose equivalent to the skin or extremities of 250 rems (2.5 Sv) or more
A

Immediate notification

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7
Q

____ notification is required if an individual has received within 24 hours:

  • –Total effective dose equivalent exceeding 5 rems (0.05 Sv) or
  • –An eye dose equivalent exceeding 15 rems (0.15 Sv) or
  • –A shallow-dose of equivalent to the skin or extremities exceeding 50 rems (0.5 Sv)
A

Twenty-four hour notification

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8
Q

Renewal of certificates or permits must be filed at least ____ prior to the expiration date

A

30 days

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9
Q

Any change of name or address must be reported to the Department of Health Services, Radiologic Health Branch in Sacramento within ___ of that change

A

30 days

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10
Q

Any change of name or address must be reported to _______ Sacramento within 30 days of that change

A

Department of Health services , radiologic health branch

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11
Q

Name the 2 broad classes of biological impact

A
  1. Somatic

2. Genetic

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12
Q

list some somatic changes

A
  1. injuries to superficial tissue
  2. Induction of cancer
  3. Cateract formation, life span shortneing
  4. Injuries to fetus/embryo
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13
Q

_____ is a resonable indicator of doses to other internal organs which are sensitive to cancer induction.

-Exams include:

A

red bone marrow

  1. Barrium enema
  2. Upper GI series
  3. Abdominal angiography
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14
Q

___ & __ may be useful to determine the probability of certain effects occuring.

A

Thyroid and skim measurements

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15
Q

_____ is often determined by a procedure since it may indicate the level of doses received by organs near the point of interest

A

skin dose

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16
Q

____ refers to effects exhibited in future offspring of persons who have been irradiated

A

genetic effects

17
Q

Name exams that expose the gonads to primary x-ray beam

A
  1. BE exams
  2. IVP
  3. Lumbar spine
  4. Hips/pelvis
  5. Upper femur
18
Q

When the reproductive cells are irradiated, changes may be produced in ))) or in the ___/

A
  1. genes

2. Chromosones

19
Q

The GSD is a function of 3 parameters:

A
  1. # of future children
  2. X-ray exam rate
  3. Mean gonad dose per exam
20
Q

The lower the GSD , the lower the ____

A

number of mutation

21
Q

are techs allowed to hold pt. or the film?

22
Q

What are 2 types of radiation

A
  1. useful x-ray beam
  2. Leakage radiation
  3. Scatter radiation
23
Q

The chief danger to operator during fluoro procedure is ____ coming primarily coming from the ____.

A
  1. scatter radiation

2. Patient

24
Q

Fluoro technologist be adequately protected from ____________

A

scatter radiation

25
Fluoro technologist and any individuals in x-ray room during exposure should wear protective apron of at least ______mm lead (Pb), preferably ________ mm lead.
1. .25 mm Pb | 2. .50 mm PB
26
Other protective devices other than lead aprons are:
1. thyroid shield 2. overhang shield 3. mobile screen 4. Protective gloves 5. Hinged or sliding panel
27
Why is radiation monitoring performed?
to verify that individuals receive less than the maximum permissible dose equivalent.
28
what are the acceptable personnel monitoring devices?
1. film badge | 2. Thermoluminescent dosimeter (TLD)
29
For special purposes , what may be worn in addition to acceptable personnel monitoring devices
1. Pocket chamber or dosimeter | 2. Audible warning device
30
What is the most common personnel monitoring? and where should it be worn?
Film badge - outside the apron at collar level
31
____ & ___produce the the highest occupational radiation exposure for personnel
fluoroscopy & special radiographic procedures
32
What are advantages and disadvantages to TLD
Advantages : - determines dose more accurately - May be worn up to 3 months - Not affected by temp. changes Disadvantages: - Expensive - once read, information is ereased
33
What is the main advantage of film badge?
the radiographic film itself because it is a legal record of personnel exposure
34
What is the basic annual DL -Lens of the eye? Other organs?
50 mSv/ year - 150 mSv/ year - 500 mSv/ year
35
The cumulative whole-body DL is ___ , time age in years.
10 mSv
36
The DL during pregnancy is ____ but once pregnancy has been declared, monthly exposure shall not exceed ___.
1. 5 mSv | 2. 0.5 mSv