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Nuclear Medicine Exam Questions and answers with 100% Complete solutions | verified &updated 2024
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Nuclear Medicine Exam Questions and answers with 100% Complete solutions | verified &updated 2024
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Nuclear Medicine Exam Questions andanswers with 100% Complete solutions |
verified &updated 2024
What particle is released from the nucleus during electron capture decay? -
✔✔A neutrino
What is released from the nucleus during isometric transition? - ✔✔Gama rays
Other than wavelength, frequency, and energy intensity, the fundamental
difference between X-rays and gamma rays is? - ✔✔that x-rays are produced
from energy released due to changes in the quantum levels/values of orbital
electrons of an atom, while gamma rays are produced from energy shifts in the
nucleus
When energy from a nuclear transition results in the emission of an orbital
electron rather than a gamma ray, this process is called? - ✔✔internal conversion
,Internal conversion electrons increase the radiation dose to the patient because?
- ✔✔Energy from the electron is absorbed within the patients body
When energy from an orbital transition results in the emission of an orbital
electron rather than an X-ray, the electron is called? - ✔✔An Auger electron
What does the term "Metastable" mean? - ✔✔When an isomeric state is
long-lived longer
After an electron is ejected from an inner shell orbital. what occurs? -
✔✔Outer shell electrons release energy by moving to now unoccupied, less
energic inner orbitals; the energy released by this transition is termed
"characteristic of x-ray radiation"
,What are the two methods used to create synthetically radioactive materials? -
✔✔Radioactive materials are produced by bombarding a target material
with either ions or with neutrons
A_______ us used to bombard elements with neutrons - ✔✔nuclear reactor
An______is used to bombard elements with protons - ✔✔accelerator (linear or
cyclotron)
Name the 5 common cyclotron produced radionuclides used in nuclear medicine -
✔✔In111, I123, Ga67, F18 an Tl201
What is a carrier free radioisotope? - ✔✔A radioisotope that does not contain
any nonradioactive species
, What does the term "activity" mean? - ✔✔The rate of disintegration of a
radionuclide
The unit of radioactivty equal to 3.7 x 10^10 disintergrations per second called? -
✔✔The curie (Ci)
What is a becquerel (Bq)? - ✔✔The derived unit of radioactivity used by
modern metric system the SI is called the becquerel. One becquerel is equal to
one disintegration per second or 2.7027x10^-11 Ci
A 1 millicurie dose of radiopharmaceutical is equal to how many becquerels? -
✔✔37 million (37MBq)
What does the term "specific activity" mean? - ✔✔Specific activity refers to
the ratio of activity per unit mass
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