Patient Considerations

Question 1

A blotchy radiographic image that results when an insufficient quantity of x-ray photons reaches the image receptor is called

Answer 1

quantum noise/mottle

Question 2

According to the American College of Radiology (ACR), abdominal radiologic examinations that have been requested after full consideration of the clinical status of a patient, including the possibility of pregnancy, need:

Answer 2

not be postponed or selectively scheduled.

Question 3

According to the U.S. Public Health Service, the genetically significant dose (GSD) for the population of the United States is approximately

Answer 3

0.20 mSv.

Question 4

Analysis of an imaging department’s repeat rate
1. provides valuable information for process improvement.
2. helps minimize patient exposure.
3. improves overall performance of the department.

Answer 4

All of the above

Question 5

Essentially all diagnostic medical procedures result in fetal exposures _________, so that _________

Answer 5

of less than 0.01 Gy; the risk of abnormality is very small

Question 6

Of the following radiologic procedures, which is (are) considered nonessential?
1. A chest x-ray examination automatically scheduled on admission to the hospital
2. Lumbar spine x-ray examination as part of a pre-employment physical
3. Whole-body computed tomography (CT) screening

Answer 6

All of the above

Question 7

Which of the following is frequently a problem in diagnostic pediatric radiography?

Answer 7

Patient motion

Question 8

Which of the following must always be the first step in protection of the reproductive organs?

Answer 8

Adequate and precise collimation of the radiographic beam to include only the anatomy of interest

Question 9

_________ are the sensing devices most often used to measure skin dose directly

Answer 9

Thermoluminescent dosimeters

Question 10

When a pregnant patient must undergo a radiographic procedure, which of the following practices will minimize radiation exposure?

Answer 10

Selecting technical exposure factors that are appropriate for the part of the body to be imaged and precisely collimating the radiographic beam to include only the anatomic area of interest while shielding the lower abdomen and pelvis when this area does not need to be included in the area to be imaged