RS/REHS Exam Questions with Verified Answers Part 18

c. sludge


d. all of the above
all of the above
Question 30
Marks: 1
Which of the following is not included in hazardous waste regulations?
Choose one answer.


a. domestic sewage


b. flammable liquids


c. corrosive liquids


d. none of the above
domestic sewage
Question 1
Marks: 1
In many cases, x-ray beams or fluoroscopes will extend past the fluoroscopic screen and protective lead, thereby
exposing the operator to the direct beam.
Choose one answer.


a. True


b. False
True
Question 2
Marks: 1
It takes ______ half-lives to reduce the radioactivity of a radionuclide to about 1% of what it was when first
measured.
Choose one answer.


a. 200


b. 125

, c. 75


d. 7
7
Question 3
Marks: 1
In practice, exposure to all ionizing radiation is controlled by the use of shields of lead.
Choose one answer.


a. True


b. False
False
Question 4
Marks: 1
A filter of 2 mm of aluminum will absorb the soft, or less penetrating, radiation.
Choose one answer.


a. True


b. False
True
Question 5
Marks: 1
Neutrons are charged, high-energy particles.
Choose one answer.


a. True


b. False
False
Question 6
Marks: 1
An unacceptable use of radiation is
Choose one answer.