Supervisor and Operator Rad Exam Questions With Complete Solutions

Supervisor and Operator Rad Exam Questions With
Complete Solutions


-Processor sensitometer/densitometer evaluation
-Tank level check, clean-up film, cleaning of crossover roll-
overs
-Developer & Fixer REPLENISHMENT rate
- Wash Water & Developer TEMPERATURE
-water filters
-processor stand-by units Correct Answers Which items need to
be checked DAILY for Quality Control?
(9) Hint: replenishment rates and temperatures.

. all of the above Correct Answers Which of the following
factors determine the quantity of scatter radiation?
1. kVp
2. part thickness
3. field size
4. tissue density
5. all of the above

+/_ 10 percent Correct Answers In terms of Photo-timer
reproducibility:
The density of all patient equivalent phantom films should be
within ___________of the average density of all the films.

0.25 and 2.50 optical density Correct Answers What is the
DENSITY DIFFERENCE {usually measured between
________ and ________ (O.D) above the base-fog-level}

,0.5 mm lead equivalent gonad shields placed over the
ovaries/testes reduce radiation dose to the gonads approximately
______%

a.) 55%
b.) 80%
c.) 92%
d.) 100% Correct Answers c.) 92% (verify)

0.5 rem (or 5mSV) Correct Answers Due to occupational
exposure a declared pregnant woman she not ever exceed:
________

0.5-2.5 O.D. Correct Answers What should the photographic
process OPTICAL DENSITY (O.D.) value range fall within?

1. 70%
2. gonad dose Correct Answers 1. X-ray examinations of the
ABD region account for 25% of all radiography, but contribute
over ___% of the GSD.
2. What is GSD?

1. annually
2. The amount of inherent filtration in the X-ray beam by the
thickness HVL
3. DOSIMETER, 1100 aluminum sheets Correct Answers 1.
How often should you test the (FILTRATION) HVL?
2. What is this measured?
3. What is the test device?

1. Base-plus fog density

,2. Mid-density (around 1.0 optical density)
3. Density difference (btw: 0.25-2.50) above Correct Answers
What 3 items should be monitored by the Processor Quality
Control program?

1. c. their MITOTIC activity is higher
2. Law of Bergonie & Tribondeau Correct Answers 1. What is
the reason why children generally would be more sensitive to
the effects of radiation?

A. their bodies are smaller
b. their body parts are thinner
c. their MITOTIC activity is higher
d. they are not as capable of cooperation

2.What is the name of the LAW that states this is true?

1. decreases Correct Answers What happens to the focal spot as
the x-ray tube target angle decreases?
1. decreases
2. stays the same
3. increases

1. localized
2. damage
3. artifacts (LIGHT SPOTS) Correct Answers 1. If a warped
CASSETTES produces __________ unsharpness on the finished
radiographs.
2. Even a small fingernail mark may ________ screens.
3. What can DEVELOPER SOLUTION or cigarette ashes
produce on the radiographs?

, 1. low
2.TRUE
3. a. protective apparel and a dosimeter Correct Answers 1. Are
the operator exposures from the CT examinations very low or
high?
2. Is the CT beam well collimated. T/F
3. If the operator is required to stay in the room during scanning,
what 2 items should be worn?

1. On the order of ONE to SEVERAL RADS.
2. planar radiography which is in the millirad range. Correct
Answers 1. How much is the patient skin dose for CT
examinations usually?
2. What does this compare to?

1. proper collimation
2. proper use of gonad shielding
3. correct use of primary factors (name all 4?)
4. correct patient positioning
5. proper use of grids, cassettes, and caliper
6. proper film handling and film processing Correct Answers
What are the factors that have a direct influence by the X-RAY
personnel?
(hint: there are 6)

1.) -COARSE
-SURFACE

2.) SEMI-ANNUALLY Correct Answers 1.) The
SCREEN/FILM CONTACT should be used with a _______