Exam 37: Patient Radiation Dose Management

Breast dose from a scoliosis exam can be reduced by using the _____. I. AP projection II. PA projection III. lead shielding

CT is considered a low-dose procedure.

The genetically significant dose for the general public is important because of the risk of _____.

The period of major organogenesis is during the _____ of pregnancy.

Bone marrow dose is measured _____.

Patient skin exposure can be measured indirectly by using a _____.

The radiation dose monitor most frequently used to measure patient exposure is the _____.

What are the only acceptable techniques for mammography? I. screen/film II. digital III. xerography

The approximate average bone marrow dose to the population of the United States is _____ mGy/yr.

Patient dose from diagnostic x-rays is most often reported in _____.

If the output intensity of an x-ray machine is 0.064 mGy/mAs at 80 kVp,what is the patient's ESE for an exam done at 20 mAs at 80 kVp?

Performing routine x-ray exams without indication is acceptable for _____.

The dose in CT is lower if the multislice number is higher.

For the average fluoroscopy exam the ESE is

Digital mammography results in lower doses than screen/film mammography.

An estimation of patient dose is reported as _____.

Patient dose can be reduced by using _____. I. faster screens II. higher kVp III. increased distance

The frequency of x-ray examinations being performed is increasing in all age groups.

Which exam does not have one of the highest repeat rates?

The most important variables in determining x-ray dose are the _____ and the _____. I. receptor speed II. patient thickness III. x-ray production efficiency IV. technique used