Deck 17: Quality Assurance

Question 1

Processing solutions should be changed every 4 to 5 weeks,depending on the workload.

Answer 1

False

Question 2

All of the following are used for inspections and calibration of x-ray machines EXCEPT one.Which one is the EXCEPTION?

A)Tube-head stability
B)Exposure technique
C)Accuracy of the timing device
D)Kilovoltage peak and milliamperage output

Answer 2

Exposure technique

Question 3

The powder capable of contaminating intraoral film is approximately 50% lead.

Answer 3

False

Question 4

If a scratched intensifying screen is used,which of the following may appear in the image?

A)Artifacts
B)Clear images
C)Dark images
D)Nothing,scratched screens can be used

Question 5

Fresh,full-strength fixer clears films in:

A)1 minute.
B)10 minutes.
C)30 seconds.
D)2 to 3 minutes.

Question 6

QA programs for digital imaging include all of the following EXCEPT one.Which one is the EXCEPTION?

A)Sensor cables should be carefully uncoiled each day.
B)The sensor and cable should not be clamped by a hemostat.
C)The cable should be placed so that the operator chair does not roll over it.
D)Phosphor plates should be submerged in cold sterilizing solutions after each patient.

Question 7

An easy way to check solution strength in the darkroom is with:

A)a step wedge.
B)a thermometer.
C)a reference film.
D)an ionizing chamber.

Question 8

If a retake is needed for a projection,the patient's radiation dose will:

A)triple.
B)double.
C)quadruple.
D)increase by 10 times.

Question 9

The sensors used with direct digital radiography should be covered with barrier sheaths before use to avoid sensor contamination.Phosphor plates used with indirect digital radiography should also be covered with an infection control barrier before use.

A)Both statements are true.
B)Both statements are false.
C)The first statement is true,the second statement is false.
D)The first statement is false,the second statement is true.

Question 10

Quality assurance is a plan of action to ensure that the radiographs produced have maximum diagnostic yield with minimal patient exposure.

Question 11

It is acceptable for a radiographic darkroom to contain:

A)microwave oven and/or coffee maker.
B)space for hats and coats.
C)dental laboratory equipment.
D)None are correct.

Question 12

All of the following terms are synonymous EXCEPT one.Which one is the EXCEPTION?

A)Standard film
B)Reference film
C)Stepwedge film
D)Overexposed film

Question 13

The task for reviewing radiographs for acceptable quality is assigned to:

A)the dentist.
B)the hygienist.
C)the office manager.
D)any member of the professional dental staff.

Question 14

Maintaining high levels of chairside competence is the basis of any quality assurance program.

Question 15

The American Academy of Oral Maxillofacial Radiology (AAOMR)has published an outline of preventive procedures for radiographic systems.

Question 16

Identify the most critical part of a QA program:

A)the chemical strength and levels of processing solutions.
B)the stabilization of an x-ray tube head.
C)the cleanliness of a darkroom.
D)the wattage of the safelight.

Question 17

A film that appears too light after processing may be the result of:

A)a light leak.
B)improper safelighting.
C)not stirring the fixer solution.
D)weak or cold developing solution.

Question 18

All of the following are quality assurance programs EXCEPT one.Which one is the EXCEPTION?

A)Keeping accurate records
B)Interpreting radiographs
C)Producing acceptable radiographs
D)Maintaining darkroom cleanliness

Question 19

All of the following will create a successful QA program to help maintain high levels of chairside competence EXCEPT one.Which one is the EXCEPTION?

A)Self-evaluation programs
B)Continuing education courses
C)Peer review with other professionals in the office
D)Retaking diagnostic radiographs to make sure they are perfect