Deck 23: Mammography

Question 1

The breast tissue tends to be increasingly _____ in older women.

A) fatty
B) dense
C) glandular
D) fibrous

Answer 1

fatty

Question 2

When doing soft tissue radiography,the differential absorption between _____ and ______ must be enhanced.

A) bone, muscle
B) muscle, fluid
C) muscle, fat
D) fat, air

Answer 2

muscle, fat

Question 3

A target of molybdenum or rhodium is preferable in mammography because it reduces the _____.

A) resolution
B) scatter
C) contrast
D) motion

Answer 3

scatter

Question 4

Cassettes used in mammography are specially designed with _____.

A) tighter film-screen contact
B) high Z front covers
C) double screens
D) looser spring latches

Question 5

Mammograms are taken with _____ cassettes.

A) double screen
B) single screen
C) non-screen
D) both A and B

Question 6

In soft tissue radiography,all of the tissues being imaged have similar _____.

A) effective atomic numbers
B) mass densities
C) Compton interaction
D) all of the above

Question 7

Soft tissue radiography requires special techniques because of the low _____.

A) image receptor contrast
B) subject contrast
C) part thickness
D) spatial resolution

Question 8

Every dedicated mammography unit is equipped with a _____.

A) low ratio grid
B) high ratio grid
C) 3-phase voltage generator
D) tungsten filter

Question 9

Breast compression is used to _____ patient dose and _____ focal spot blur.

A) lower, reduce
B) lower, increase
C) raise, reduce
D) raise, increase

Question 10

Breast compression increases _____.

A) contrast resolution
B) spatial resolution
C) motion blur
D) both A and B

Question 11

Mammography currently uses _____ film.

A) direct exposure
B) xeroradiography
C) double-emulsion
D) single-emulsion

Question 12

A dedicated mammography unit should have an automatic adjustable _____ device.

A) grid
B) compression
C) focal spot
D) filter

Question 13

A diagnostic mammogram must be able to demonstrate microcalcifications less than _____ in size.

A) 5000 µm
B) 50 µm
C) 1000 µm
D) 500 µm

Question 14

Screening mammography requires _____ view(s)of each breast,whereas diagnostic mammography requires _____ or more views.

A) 1, 2 or more
B) 2, 2 or more
C) 3, 3 or more
D) 4, 4 or more

Question 15

The American Cancer Society recommends biannual screening mammograms for all women _____.

A) over age 65
B) age 30-39
C) age 50-59
D) age 40-49

Question 16

The spatial resolution is improved in mammography by always placing the emulsion side of the film _____ the screen and _____ the tube.

A) away from, away from
B) against, toward
C) against, away from
D) away from, toward

Question 17

The American Cancer Society recommends that all women _____ years of age and above have an annual screening mammogram.

A) 45
B) 50
C) 55
D) 60

Question 18

Breast compression has the advantage of lowering _____.

A) patient dose
B) motion blur
C) superimpositions
D) all of the above

Question 19

About 80% of breast cancer occurs in _____ tissue.

A) epidermal
B) adipose
C) ductal
D) connective

Question 20

It is recommended that women obtain their first baseline mammogram before the age of _____.

A) thirty
B) forty
C) fifty
D) sixty