Deck 23: Mammography

Question 1

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

Answer 1

50

Question 2

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

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

Answer 2

subject contrast

Question 3

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 3

muscle, fat

Question 4

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 5

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

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

Question 6

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

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

Question 7

Every dedicated mammography unit is equipped with a ________________.

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

Question 8

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 9

Breast compression increases ________________.

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

Question 10

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

A) one, two or more
B) two, two or more
C) three, three or more
D) four, four or more

Question 11

Breast compression has the advantage of lowering _________________.

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

Question 12

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

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

Question 13

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

A) 30
B) 40
C) 50
D) 60

Question 14

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

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

Question 15

About 80% of breast cancer occurs in __________ tissue.

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

Question 16

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

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