Board Review B Missed Questions

Compared with computed tomography (CT) scanning, positron emission tomography (PET) scanning is more useful for which of the following?

a. finding the location of a tumor, because CT uses x radiation, which is not food for imaging soft tissue
b. staging cancer: finding out how much and to what anatomic locations a malignant tumor has metastasized
c. assessing the activity of tumor cells
d. grading: assessing how differentiated the cells of a tumor are

c

What is the basic unit of exposure?

a. REM
b. RAD
c. Curie
d. Roentgen

d

Part 20 of Title 10 of the Code of Federal Regulations deals with:

a. notices and instructions to workers
b. medical use of byproduct material
c. protection against radiation
d. department of transportation shipping regulations

c

Which radiation sign should be used in an area where a person could receive a dose equivalent greater than 100 mrems in 1 hour at 30 cm?

a. Caution, Radioactive Materials
b. Caution, Radiation Area
c. Caution, High Radiation Area
d. Caution, Airborne Activity Area

c

The number of nuclear transformations occurring spontaneously per a given amount of time in a radionuclide is expressed with which of the following SI units?

a. Sievert (Sv)
b. Curie (Ci)
c. Gray (Gy)
d. Becquerel (Bq)

d

A 10 mCi dose of a radionuclide would be equal to what?

a. 370 MBq
b. 37 Bq
c. 370 Bq
d. 37 MBq

a

Which document is not required by the NRC to be posted in a highly visible area by facilities which utilize radiation?

a. Parts 19 and 20 of Title 10 CFR
b. Form NRC-3 “Notice to Employees”
c. Radiation workers’ schedule
d. None of the above

c

Part 35 of Title 10 of the Code of Federal Regulations deals with:

a. notices and instructions to workers
b. reporting of defects and noncompliances
c. medical use of byproduct material
d. standards for protection against radiation

c

How often must an employer notify each employee of his cumulative radiation dose?

a. every week
b. every month
c. every 6 months
d. once a year

d