Rad Worker II Exam Questions and Correct Answers/ Latest Update / Already Graded

Page |1


Rad Worker II Exam Questions and
Correct Answers/ Latest Update / Already
Graded
Atoms are made up of protons, neutrons, and:

a. the nucleus

b. ions

c. photons

d. electrons

Ans: d


Radioactive material is defined as any material:

a. found readily in nature

b. containing atoms that give off energy in the form of radiation

c. that is sensitive to radiation

d. that has been exposed to gamma radiation

Ans: b


Energy emitted from a radioactive atom in the form of a ray or particle
that can ionize an atom is called:

a. ionizing radiation

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b. radioactive contamination

c. radioactive material

d. radioactivity

Ans: a


What is a type of ionizing radiation?

a. Infrared ray

b. Visible light

c. Alpha particle

d. REM

Ans: c


Neutron radiation can be shielded by:

a. paper

b. clothing

c. water

d. safety glasses

Ans: c




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The four basic types of ionizing radiation are: (all four must be correct)

a. neutron, beta, gamma, and alpha

b. alpha, beta, gamma, and tritium

c. gamma, neutron, beta, and ions

d. proton, neutron, electron, nucleus

Ans: a


Gamma radiation can be shielded best by:

a. paper

b. PPE

c. lead

d. water

Ans: c


The rem is a unit used to measure:

a. contamination

b. dose equivalence

c. decay rate

d. chemical activity


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