QAQC (PRELIM L1 - L3) Flashcards by DA RRT

Possible cause of low density and high contrast that appears on film is due to ________ ?

A. Decreased Immersion Time
B. Low Developer Temperature
C. Under Replenishment
D. AOTA

D. AOTA

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Overall decrease in density is due to _______

A. Wrong Control Film
B. Unseasoned Developer
C. Under replenishment
D. NOTA

A. Wrong Control Film

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Possible cause of overall increase in density are the following except:

A. Fogged Film
B. Wrong Control Film
C. Contaminated Developer
D. AOTA

D. AOTA

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Contaminated developer and unseasoned developer appears overall increased density to the film. Indicator deviation should be ?

A. Increase Base + Fog
B. Decrease Base + Fog
C. Decrease mid density
D. Increase Density Difference

A. Increase Base + Fog

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Wrong control film and low developer temperature appears overall decrease in density, indicator deviation should be ?

A. Decreased Mid Density
B. Increased Density Difference
C. Decrease Base + Fog
D. Increase Base + Fog

C. Decreased Base + Fog

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Decreased density difference appears low contrast with high density in lighter areas. Possible causes includes the following except ?

A. Increased Immersion Time
B. Contaminated Fixer
C. Contaminated Developer
D. Over replenishment

B. Contaminated Fixer

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Decrease in immersion time, low developer temperature, and improperly mixed developer appears high contrast in the film this indicates deviation with _____ ?

A. Increased Density
B. Decreased Density
C. Increased Density Difference
D. NOTA

C. Increased Density Difference

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The processor QC Chart should be maintained for _____ ?

A. 5 Years
B. 3 Years
C. 1 Year
D. 10 Years

C. 1 Year

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Records of corrective action must be kept for how many years ?

A. 4 Years
B. 2 Years
C. 3 Years
D. 5 Years

B. 2 Years

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Sensitometric strip should be maintained for ______ ?

A. 4 Weeks
B. 5 Weeks
C. 6 Weeks
D. 1 Year

C. 6 Weeks

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The densitometer must be zeroed before each use. This is actually done by holding down the optical sensory arm and pressing the _______ button until 0.00 is displayed

A. ON Button
B. HOLD Button
C. NULL Button
D. START Button

C. NULL Button

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MD and DD values that exceed ± ________ should be investigated immediately before the limit of 0.15 OD is exceeded.

A. 0.10
B. 0.1
C. 0.15
D. 0.05

A. 0.10

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Tanks should be covered when not in use to prevent evaporation and ______ of solutions

A. Contamination
B. Oxidation
C. Contagion
D. Pollution

B. Oxidation

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For single-sided emulsion film, the emulsion side of the film must be placed ______ in the sensitometer

A. Down
B. Up
C. In
D. Out

A. Down

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Running a sheet of clear film through the processor will help clear the _____ of debris

A. Gears
B. Chemical
C. Roller
D. Film

C. Roller

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The regulations require that processor quality control be performed each workday when radiographs are to be processed, before processing any patient films, the following are the equipment required except ?

A. Sensitometer
B. Densitometer
C. Fresh Box of Control Film
D. Glass thermometer accurate of at least 0.5 F

D. Glass thermometer accurate of at least 0.5 F

(Rationale: DIGITAL Thermometer accurate of at least 0.5 F)

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For automatic film processors, the temperature must be within the film manufacturer’s specifications (usually ± ____ degrees F).

A. 0.5
B. 1.5
C. 2.5
D. 3.5

A. 0.5

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Changing the chemistry, as part of routine preventative processor maintenance, is not justification for re-establishing processor operating _____ ?

A. Limits
B. Levels
C. Time
D. AOTA

B. Levels

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Re-establishing processor control limits are the following, except ?

A. A change in film brand or speed

B. A change in film brand or type of chemistry

C. A change in replenishment rate

D. A change of processor

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The Mid-density (MD) step is the step where the average density is closest to but not less than _______ ?

A. 1.10
B. 1.20
C. 2.20
D. 0.45

B. 1.20

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The High Density (HD) step is the step where the average density is closest to _____ ?

A. 1.10
B. 1.20
C. 2.20
D. 0.45

C. 2.20

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The Low Density (LD) step is the step where the density is closet to but not less than _____ ?

A. 1.10
B. 1.20
C. 2.20
D. 0.45

D. 0.45

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To determine the average density for each step by adding the five readings for that step and dividing by ______ ?

A. 2
B. 5
C. 3
D. 7

B. 5

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With the densitometer, we must read the density of each of the 21 steps for all five sensitometric control strips. If the densitometer has several aperture sizes, we must use the _____ mm aperture

A. 5 mm
B. 4 mm
C. 2 mm
D. 6 mm

C. 2 mm

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Prior to establishing processor operating levels and control limits, the processor must be cleaned and filled with fresh ______ A. Water B. Developer C. Chemistry D. Solution

C. Chemistry

Using the densitometer, determine the Base + Fog for all five sensitometric control strips. Base + Fog readings can be taken over any ______ areas of the film A. Unexposed B. Exposed C. Blank D. Uneven

A. Unexposed

TRUE OR FALSE Polaroid Instant Film System operates with a darkroom, with the standard processor and with separate processing

FALSE

TRUE OR FALSE New Jersey Administrative Code 7:28-22.5 requires Processor QC of all processors. For Daylight systems, Rapido systems, or other "non-standard" processing systems, it will be necessary to feed the sensitometric film through the MANUAL method

TRUE

TRUE OR FALSE You can widen the control limits since the data indicates that the processor is out of control and corrective action is essential. These limits are set by NJ State regulation.

FALSE

When establishing a processor quality control program. It is necessary to determine the operating levels and control limits. The control limits are the extreme ranges of _____ operation. A. Exceeded B. Acceptable C. Unacceptable D. Maximum Limit

B. Acceptable

If the result is still out of limits, corrective action may include changing the ______ except ? A. Temperature B. Developer C. Chemistry D. Processor

D. Processor

The cause of trends should be _______ before the control limits are reached or exceeded A. Repeated B. Monitored C. Investigated D. Determined

C. Investigated

TRUE OR FALSE Notes regarding changes in operating conditions (such as a change in the developer temperature or replenishment rate) should be recorded on the control chart

TRUE

It is recommended that all facilities dedicate a ______ of film for QC testing. However, facilities with very small volume may use film from the clinical batch for QC testing also A. Box B. 8x10 C. 10x12 D. 5 Sheets

A. Box

It is inappropriate, and _____, to process clinical films and then determine, hours or days later, that the film processor was not operating optimally. A. Wrong B. Unprofessional C. Improper D. Illegal

D. Illegal

Sensitometric strips that are pre-exposed (_______in advance) will suffer from latent image effect and will not be as sensitive as freshly exposed strips to changes in the processor function A. Months B. Years C. Hours or Days D. Weeks

C. Hours or Days

The control film need not be the same size as the clinical film. In other words, the QC film can be _______ even if all clinical images are produced on 14 x 17 film A. 8x10 B. 10x12 C. 11x14 D. 14x14

A. 8x10

The sensitometric control strips must be read with a densitometer. It is appropriate to visually compare sensitometric control strips

FALSE (Rationale: Must be read with a SENSITOMETER)

TRUE OR FALSE For monitoring the temperature of the film processor , it is recommended that only a thermometer containing mercury to be used

FALSE

EF stands for _______

Evaporative Fraction

A device that measures the optical density of a developed radiographic film.

Densitometer

It is important that the light emitted by the sensitometer _______ the film used by the facility A. Identical B. Same C. Matches D. Equivalent

C. Matches

Device containing a light source and a timing mechanism designed to give precise, repeatable, and graduated light exposures to the radiographic film A. Densitometer B. Sensitometer C. Cassette D. Intensifying Screen

B. Sensitometer

TRUE OR FALSE If a facility has one processor and performs both mammography and diagnostic imaging, the x-ray film should be used for processor QC; as it is usually the more sensitive film

FALSE

All corrective actions must be documented and the records retained for a minimum of ______ years A. 5 Years B. 10 Years C. 2 Years D. 1 Year

C. 2 Years

In equipment warm-up, how many exposures should be done ? A. 3 B. 4 C. 5 D. 2-3

B. 4

TRUE OR FALSE The regulation specifies that processor QA MUST be performed every day that a patient x-rays are taken and before patient films are processed

FALSE

If the tube is idle for more than ______ hours, another warm up should be performed. How many extra exposures should be done '? A. 1 B. 2 C. 3 D. 4

B. 2

Checking for indicator (kVp, x-ray on light or audible signal etc.) malfunction and the mechanical and electrical safety of the x-ray system is being tested ______ ? A. Annually B. Quarterly C. Daily D. Weekly

C. Daily

TRUE OR FALSE In daily machine warm-up procedure, the lowest mA for a large focal spot is being used

TRUE

How frequent does the screen-film contact test is being tested ? A. Monthly B. Initially C. Annually D. B & C

D. B & C

Frequency of laser film printer QC is every ______ ? A. Day B. Week C. Month D. Quarterly

B. Week

Analysis of fixer retention should be in standard of _____ ? A. 5 micrograms B. 0.5 grams C. 0.05 grams / meter D. 5 micrograms/sq.centimeter

D. 5 micrograms/sq.centimeter

Standard of Screen-film contact test should be ________ in diameter ? A. <2.5 cm in diameter B. No areas of poor contact with 2 cm in diameter C. >2 cm in diameter D. No areas of poor contact with >2cm in diameter

D. No areas of poor contact with >2cm in diameter