Chapter 18 Mammography-Bushong Test Bank

Chapter 18: Mammography Bushong: Radiologic Science for Technologists




MULTIPLE CHOICE


1. Soft tissue radiography requires special techniques because of the low . a.
image receptor contrast
b. subject contrast
c. part thickness
d. spatial resolution




ANS: B
Soft tissue radiography is unique because of the low subject contrast.


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




ANS: C
When doing soft tissue radiography, the differential absorption between muscle and fat must
be enhanced.
3. In soft tissue radiography, all of the tissues being imaged have similar . a.
effective atomic numbers
b. mass densities
c. Compton interaction

, d. effective atomic numbers, mass densities, and Compton interaction




ANS: D
In soft tissue radiography, all of the tissues being imaged have similar effective atomic
numbers, mass densities, and Compton interaction.
4. The breast tissue tends to be increasingly in older women. a. fatty
b. dense
c. glandular
d. fibrous




ANS: A
The breast tissue tends to be increasingly fatty in older women.


5. About 80% of breast cancer occurs in _ tissue.
a. epidermal
b. adipose
c. ductal
d. connective




ANS: C
About 80% of breast cancer occurs in ductal tissue.
6. A diagnostic mammogram must be able to demonstrate microcalcifications less than in
size.
a. 5000 m
b. 50 m
c. 1000 m

, d. 500 m




ANS: D
A diagnostic mammogram must be able to demonstrate microcalcifications less than 500 m
in size.
7. 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




ANS: B
The American Cancer Society recommends that all women 50 years of age and above have
an annual screening mammogram.


8. The American Cancer Society recommends biannual screening mammograms for all
women
.
a. over age 65
b. age 30 to 39
c. age 50 to 59
d. age 40 to 49
ANS: D
The American Cancer Society recommends biannual screening mammograms for all women
age 40 to 49.
9. It is recommended that women obtain their first baseline mammogram before the age of
.
a. 30
b. 40