Chapter 20 Review Questions

Question 1

The Mammography Quality Standards Act (MQSA) applies to all health facilities except for:
a. public institutions.
b. private institutions.
c. VA facilities: correct.
d. breast imaging clinics.

Answer 1

C

Question 2

The breasts of a young woman who had three or more pregnancies are classified as:
a. fibro-glandular.
b. fibro-fatty.
c. fatty.
d. fibrous.

Answer 2

B

Question 3

The radiologist describes small blood vessels, fibrous connective tissues, ducts, and other small structures that cannot be differentiated as:
a. trabeculae.
b. parenchyma.
c. adipose tissue.
d. fibrous tissue.

Answer 3

A

Question 4

The male breast is classified as:
a. fibro-glandular.
b. fibro-fatty.
c. fatty.d. fibrous.

Answer 4

C

Question 5

The amount of compression applied to an average adult breast during mammography ranges between:
a. 5 and 7 lb.
b. 10 and 12 lb.
c. 15 and 30 lb.
d. 20 and 45 lb.

Answer 5

C

Question 6

The American College of Radiology (ACR) recommends a repeat rate of less than ____ for mammography.
a. 1%
b. 5%
c. 10%
d. 15%

Answer 6

B

Question 7

How is the CR aligned for a mediolateral-true lateral projection?
a. Parallel to the chest wall
b. CR is angled 90 degrees from vertical plane
c. CR is angled 45 degrees from vertical plane
d. CR is perpendicular to inframammary fold

Answer 7

B

Question 8

A patient with a T-score lower than −1.0 but higher than −2.5 is classified as:
a. normal.
b. osteopenic.
c. osteoporotic.
d. severely osteoporotic.

Answer 8

B

Question 9

Which of the following individuals is facing added risk of osteoporosis?
a. Obese patient
b. Males
c. Females undergoing estrogen replacement therapy
d. Patients undergoing glucocorticoid therapy

Answer 9

C

Question 10

The radiopharmaceutical used most commonly in nuclear medicine is:
a. 123I.
b. thallium.
c. Tc-99m.
d. 121I.

Answer 10

C

Question 11

Graves’ disease is indicative of:
a. hyperactive thyroid gland.
b. brain disorder.
c. congenital GI tumor.
d. hypoactive thyroid gland.

Answer 11

D

Question 12

The spontaneous transformation of a radionuclide, resulting in a decreased number of radioactive events in a sample, is the definition for:
a. decay.
b. disintegration.
c. electron capture.
d. radioactivity.

Answer 12

A

Question 13

Most PET tracers have a half-life of:
a. 120 seconds to 110 minutes.
b. 1 to 6 hours.
c. 12 hours.
d. 24 hours.

Answer 13

A

Question 14

An example of an external beam radiation therapy modality and/or procedure is:
a. cesium implant seeds.
b. intraoperative radiation therapy (IORT).
c. interstitial irradiation therapy.
d. linear accelerator.

Answer 14

D

Question 15

What type of transducer would be ideal for use in imaging a superficial lesion beneath the skin?
a. 3.5 MHz
b. 5.0 to 7.0 MHz
c. 17 MHz
d. 0.10 MHz

Answer 15

C

Question 16

An anatomic structure or region of the body that highly reflects sound energy is the definition for:
a. anechoic.
b. hypoechoic.
c. isoechoic.
d. echogenic.

Answer 16

D

Question 17

Which of the following nuclei is used most frequently in MRI?
a. Carbon
b. Oxygen
c. Fluorine
d. Hydrogen

Answer 17

D

Question 18

What type of energy is applied to the nuclei to have them process at a greater angle during the MRI imaging process?
a. Magnetism
b. Piezoelectric
c. Heat
d. Radiofrequency

Answer 18

A

Question 19

What type of MRI magnet requires the use of a cryogen?
a. Resistive
b. Permanent
c. Superconducting
d. Supercooling

Answer 19

B

Question 20

For which pathology is CT a better imaging choice over MRI?
a. Skull fracture
b. Brain lesion
c. Spinal cord cyst
d. Multiple sclerosis

Answer 20

C