Chapter 7 Quiz

Question 1

Radioactive materials should be held for ______ half-lives before disposed of in the regular trash.

5
10
20
100

Answer 1

10

Question 2

All of these are characteristics of PET radionuclides except ______.

-short half-life
-long half-life
-high energy
-penetrating and particulate radiation

Answer 2

long half-life

Question 3

Title 10 CFR part 19 relates to _______.

-standards for protection
-medical use of by-product material
-reports on workers and inspection
-licensing of institutions

Answer 3

reports on workers and inspection

Question 4

Standards for radiation protection are covered in _______.

10 CFR 19
10 CFR 20
10 CFR 30
10 CFR 35

Answer 4

10 CFR 20

Question 5

PET radiopharmaceuticals are usually shipped in a package with which label?

white-I
yellow-II
yellow-III
Exempt

Answer 5

yellow-II

Question 6

A radiation area has all the following characteristics EXCEPT ______.

-potential exposure that exceeds 5mR/hr at 30cm
-secured from general access
-unrestricted access to the public
-radiation signs posted on entry doors

Answer 6

unrestricted access to the public

Question 7

Records of personnel monitoring must be kept for ______.

3 years
5 years
10 years
the duration of the license

Answer 7

the duration of the license

Question 8

A license must ensure that the dose equivalent to an embryo/fetus during a 9-month pregnancy of a declared pregnant worker does not exceed _______.
50 mrem
0.5 rem
50 mSv
0.5 Sv

Answer 8

50 mrem

Question 9

What is the most practical material used for shielding in PET?

lead
tungsten
aluminum
plastic

Answer 9

tungsten

Question 10

Which of the following is an example of the techniques used in CT to estimate radiation dose to the patient?

CTDI
MPR
MSAD
Both A and C

Answer 10

Both A and C