(2026) EXAM Questions and Answers (Verified Answers) (Latest
Update 2026) Graded A+
Which of the following is
composed of a single central
nucleus? - CORRECT ANSWER ✔✔✔✔✔ A-Correct
What is the time it takes a
radioactive isotope to transform
50 percent of its atoms by
radioactive decay? - CORRECT ANSWER ✔✔✔✔✔ C-Correct
Which is a form of non-nuclear
radiation? - CORRECT ANSWER ✔✔✔✔✔ A-Incorrect
What is the SI (international) unit
for activity? - CORRECT ANSWER ✔✔✔✔✔ A-Correct
RADIAC instruments that collect
and measure the ion pairs
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, created when radiation interacts
with matter utilizes which
operating principle? - CORRECT ANSWER ✔✔✔✔✔ D-Correct
What are the three primary ways
that radioactive isotopes may
enter the body?<br/>Select all
that apply. - CORRECT ANSWER ✔✔✔✔✔ A,B,C-Correct
The National Council on
Radiation Protection and
Measurement estimates
Americans receive what average
annual dose of background
radiation? - CORRECT ANSWER ✔✔✔✔✔ A-Correct
What is the dose of radiation
received by an employee whose
assigned duties involve
exposure to radiation and
radioactive material? - CORRECT ANSWER ✔✔✔✔✔ B-Correct
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