Mammo Equipment QA

what focal spot size is used in routine imaging

0.3 mm

T/F: The AEC detector covers the entire size of the imaging detector

true

T/F: The RWS has a resolution of 2 megapixels and the AWS has a resolution of 5 megapixels.

false (RWS 5 megapixels and AWS 2-3)

Who is in charge of the day to day QC tests?

Technologist

The new ACR DM Phantom has how many speck groups?

6

The compression force for the power drive mode should be at least _____ but not exceed ______.

25 lbs, 45 lbs

How long must a facility keep mammogram records if the patient does not return to the facility?

10 years

The BI-RAD category for a benign mammogram is:

BI-RAD 2

All technologists are required to complete_________.

200 mammograms every 24 months

T/F: The large focal spot is used for magnification views while the small focal spot is used for routine views.

false (small for mag views, large for routine views)

Which filter is used in tomosynthesis (3D) imaging?

Aluminum (Al)

T/F: Lossless Compression is required by the ACR when storing Mammography images.

ctrue

what is the best method to control voluntary motion?

communication

The overall repeat rate ideally is ____ but should not exceed ____.

2%, 5%

How often is the compression thickness indicator test performed?

monthly

Who provides a written report with corrective action and/or recommendations.

medical physicist

A minimum of _____ speck groups must be seen on the new ACR DM phantom.

 

≥3

T/F: QC tests MUST be performed on the same day of each week/month.

false

T/F:Accreditation and Certification are different processes.

true

Clinical images submitted for accreditation must include:

1- Two CC and Two MLO projections

2- One CC and One MLO projections

3- Two fatty and two dense images

4- One fatty and one dense images

1 and 4

A concerning result must be sent to the physician in______. 

3-5 days from the date of interpretation

The technologist's initial mammography qualifications include:

1- Completion of a 40 hour mammography course

2- Completion of 25 supervised examinations

3- Completion of 8 hours of training specific to digital and DBT

4- Completion of 200 unsupervised examination

1, 2, 3

The BI-RAD category for an incomplete mammogram is:

BI-RAD 0

The ideal focal spot size for magnification mammography is:

0.1 mm

The standards for mammographic imaging have designated that the correct placement of the markers (R,L, etc. ) is:

Near the aspect of the breast closest to the axilla

 

T/F: The posterior edge of a compression paddle is rounded along the chest wall.

false

In mammography the kVp range is typically from:

20-40

You are designing a mammographic unit. All of the following would be target material EXCEPT?

aluminum

You are designing a mammographic unit. You need to select the range of focal spot sizes for routine imaging. You decide to go with the most common sizes which are:

0.3 mm to 0.4 mm

The recommended SID for mammographic units ranges from:

60-65 cm

The generator that produces the most accurate and reproducible x-ray output is:

high frequency

Altering the targets and filters can be most beneficial for:

Shaping the x-ray beam to penetrate both dense and fatty tissue

The most common magnification factor used in mammography is:

1.5-2.0

Which of the following is TRUE concerning magnification?

The incidence of patient motion increases with magnification

The factor that the technologist cannot control in the area of subject contrast is:

tissue density

The x-ray tube is typically made of:

1. Glass 

2.  Metal 

3.  Rhodium

1 and 2

In mammography collimation should be:

To the size of the detector

High Transmission Cellular grids (HTC) are constructed:

  

With copper strips in a crossed grid

The grid ratio in mammography is:

3:1-5:1

Which of the following is NOT true concerning AEC devices in mammography?

The AEC position is stationary

Dedicated mammography units have a mAs range from:

20-600 mAs

The mammographic x-ray tube is angled to optimally utilize the strengths of the

line focus principle

To minimize the anode heel effect the tube is tilted approximately:

6 degrees

In non-magnification views, the exposure time in 2D mammography will usually vary from:

0.4-1 second

In the design of line focus principle the target is angled approximately:

20-24 degrees

The  breast phantom approximates a breast thickness of:

4.2 cm

the phantom image evaluation is performed at least:

weekly

The action taken on a regularly scheduled basis to prevent deterioration of image quality or any breakdown in the imaging chain is:

preventive maintenance

The monitoring and maintenance of equipment with data collection and controlled variables is called:

Quality Control

The overall management actions which consistently provides high image quality is:

Quality Assurance

MQSA requires all Mammography Technologists participate in _________ of mammography specific continuing education credits.

15 credit hours in a 3 yr period

The infection control procedure (cleaning and disinfecting the mammography equipment after contact with blood or other body fluids) is required by:

FDA

Which of the following is the most common problem encountered when evaluating clinical images?

Incorrect Positioning

The maximum amount of force on compression on the initial power drive allowed by MQSA is:

45 pounds

The Medical Physicist test of the x-ray field cannot extend beyond any edge on the image receptor by more than what percentage?

2% of SID

Which of the following mammographic quality control tests should be performed semiannually?

compression force

Which of the following is FALSE concerning phantom imaging?

The phantom is equal to a compressed breast that is 3.5 mm in thickness

When performing a repeat analysis the test should be performed with

at least 250 patients

On the new ACR DM Phantom Image what is the minimum number of fibers, specks and masses that must be seen?

2 fibers, 3 specks and 2 masses

The monitor used to interpret the mammograms is the:

review workstation monitor RWS

A computer network system that uses DICOM to view images of different modalities at various monitors or transmitted or stored is:

Picture archiving and communication system (PACS)

The transmission of the digital image from one location to another via electronic transfer is:

teleradiography

The program which allows communication between different medical imaging devices such as scanners, printers, servers, PACS, workstations and networks from multiple manufactures is:

DICOM

The type of data compression for storage that when uncompressed contains the same information without losing information is:

lossless compression

The computer program that acts as a second reader to the radiologist by analyzing suspicious areas is:

Computer Aided Detection (CAD)

The agency that performs a yearly inspection as part of MQSA is the:

FDA

Silver is used as the filtration in:

Digital mammography with tungsten targets

Which QC test is performed on a monthly basis?

visual check list

What is the compression thickness indicator test?

 

A check of the indicated compression thickness

Who is responsible for the general oversight of the MQSA QA program

radiologist

Who conducts the Mammography Equipment Evaluation (MEE)?

medical physicist

Communication of results to a patient:

1. Must be within 30 days of the mammogram

2.  Are only given verbally

3. Are only given written

4.  Must be in lay terms

1, 3, 4

The medical audit tracks mammograms that are given a:

BIRAD 4 and 5

T/F: The purpose of the Mammography Quality Standards Act (MQSA) is to establish minimal nation quality standards for mammography.

True

According to the FDA, a facility must maintain a copy of consumer complaints for:

3 years