Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Mammo > Image Production, Acquisition, And Quality Assurance > Flashcards

Image Production, Acquisition, And Quality Assurance Flashcards

1
Q

What is the frequency of ACR Accreditation?

A

Every 3 years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The material used for the exit port of the mammography tube is necessary because

A

Regular glass would harden the emerging beam

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The intensity of the xray beam from the cathode side of the tube is generally higher because

A

The heel effect causes variation in the intensity of the xray beam

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The design of the lip of the compression paddle (both height and angle along the chest wall) affects all of the following except

A

A) it prevents the posterior and axillary fat from overlapping the body of the breast
B) it allows uniform compression of the posterior breast tissue
C) it helps increasing the structural strength of the compression paddle
D) insurers higher compression of the anterior breast tissue (ANSWER)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The primary goal of compression is to

A

Allow uniform penetration of structures within the breast

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What features of the high-transmission cellular (HTC) grid allows these grids to maintain equal or less radiation dose to the patient compared with linear grids?

A

They have copper as the strips and air as the interspace material

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The grid ratio can vary in modern mammogram units. A common grid ratio used in

A

5:1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The chest wall edge of the compression paddle should be aligned just beyond the chest wall edge of the detector to

A

Avoid projecting the chest wall edge of the paddle on the mammogram

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which of the following affects the focal spot size?

A

Angle of the anode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which of the following is the commonly used focal spot size for routine work mammography?

A

0.3 mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which of the following mammography quality control tests is performed as needed?

A

Repeat analysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The general criteria to pass the new American College of radiology— digital mammography (ACR DM) phantom require a minimum of ___ masses

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the compression thickness indicator test?

A

A check to ensure that the indicated compression thickness is within normal range

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the name given to the test to determine whether the unit has consistent detector signal to noise level for all breast thickness?

A

Visual checklist

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

A technologist test that is performed semi annually is

A

Compression force test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Repeats are

A

Images that involve unnecessary exposure to the patient

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

To get meaningful analysis, the repeat analysis needs a patient volume of at least ___ pts

A

250

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Mammography facilities can receive certification from

A

FDA or States as Certifiers (SACs)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Aluminum filtration is likely to be matched with ___ targets

A

Tungsten

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Which of the following visual checklist tests must be performed before clinical use?

A

Paddles/face shield must not be cracked

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What tool is used to evaluate for artifacts?

A

Phantom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

A single binary digit of data, such as 0 or 1 is called a

A

Bit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

In general, higher magnification will require the use of a

A

Smaller focal spot size

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

A grid is not necessary during magnification because

A

The large OID produces the same effect as a grid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

The air gap in magnification allows increase subject contrast by

A

Reducing scatter

26
Q

If the magnification mammography is performed without using a small focal spot size, the resulting image will be magnified

A

And blurred

27
Q

At higher magnification factors there is

A

1) higher skin dose
2) decreased source - to- object distance

28
Q

Magnification is beneficial in all of the following situations except

A

Imaging the entire breast in a single exposure

29
Q

Using a small focal spot size is recommended for magnification

A

To compensate for the loss of image detail

30
Q

Which of the following is a big disadvantage of magnification?

A

Increased pt dose

31
Q

Is the back up time stops a breast exposure, the technologist can repeat the radiograph by using a

A

Higher peak kilovoltage (kVp) setting

32
Q

The type of x-rays created from displacement of K- shell- binding electrons in the molybdenum atom are called

A

Characteristic radiation

33
Q

The function of the filter in mammography is to remove

A

Photon energies higher and lower than the range needed for breast imaging

34
Q

The recommended labeling for the mammographic image that is not required by the mammography quality standards act (MQSA) is

A

Technical factors

35
Q

Lack of breast compression is most likely to cause

A

Motion unsharpness

36
Q

How long should a facility maintain records of serious complains?

A

3 years

37
Q

Which of the following focal spot sizes is used in routine imaging?

A

0.3

38
Q

Which of the following systems does not use a grid?

A

Any magnification mammography system

39
Q

Aluminum (Al) can be used as the filtration in

A

Digital breast tomosynthesis tubes with tungsten targets

40
Q

The detector element (DEL) is located in the

A

Thin-film transistor (TFT)

41
Q

Which of the following statements about detector elements is incorrect?

A

The size of the detector element can be controlled by the technologist

42
Q

To allow full coverage of the detector, a tube with a 16° anode angle requires a tube tilt of approximately ___ degrees to achieve an effective anode angle of 22°

A

6

43
Q

Which of the following monitors is used to interpret the mammograms?

A

Review monitor

44
Q

Which of the following is a system that can be used to store 12 months or more of image data and can retrieve the data within a few minutes?

A

Redundant array of independent (inexpensive) discs (RAID)

45
Q

A computer networks system that allows images to be viewed at various monitor or transmitted or stored is termed

A

Picture archiving and communication system (PACS)

46
Q

The remote transmission of images is

A

Teleradiology

47
Q

What is the purpose of CAD?

A

A method of prereading mammograms

48
Q

Which of the following is included in the workflow plan for a technologist?

A

Retrieving the results of prior examinations for the patient

49
Q

What system is identified as a storage for radiology imaging information?

A

RIS

50
Q

When transmitting mammography images, the compression required is termed

A

Lossless compression

51
Q

The device used to convert electronic signals to computer language is called

A

ADC

52
Q

Changing the image contrast would mean adjusting the

A

Window width

53
Q

In direct digital technology, the xray strike ____ in the detector

A

Amorphous selenium

54
Q

What test tool is used to calibrate the brightness of the monitor?

A

SMPTE

55
Q

Which of the following is a true statement according to the EQUIP mandated by FDA?

A

Written documentation is required for the clinical image review of each radiologic technologist and interpreting physician, and it must be done at least annually

56
Q

What is the maximum possible score for each test object in the ACR phantom?

A

6

57
Q

Synthesized 2D imaging is a

A

Two dimensional reconstruction of the three-dimensional image

58
Q

Computer-aided detection (CAD) is used to

A

Analyze or preread the image

59
Q

What BI-RAD category recommends short interval (6 month) follow up?

A

Category 3

60
Q

The patient has a BI-RADS category 5 report. This finding indicates

A

A high possibility of malignancy

Mammo (16 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions