Answers
The scintillation crystal in an Anger camera is - answer sodium iodide
For nuclear medicine personnel, the greatest source of occupational exposure to
radiation comes from the - answer injected patien
The radionuclide emission used for most all nuclear diagnostic studies is - answer
gamma photons
The isotope of choice for most nuclear medicine medical procedures i - answer
Technetium-99m
The time it takes for a radioactive nucleus to decay to 1/2 its original activity level is
termed its - answer half-life
Which of the following types of radiation can be described as: highly ionizing ? - answer
alpha
Which of the following types of radiation can be described as: small mass? - answer
beta
Which of the following types of radiation can be described as: moderately ionizing? -
answer beta
During a nuclear study, gamma emissions from the patient are intercepted by the
gamma camera crystal. The energy of the gamma photons is: - answer both a and b
The isotope of choice for most nuclear medicine procedures is: - answer
Technetium-99m
All of the following are true of alpha and beta emissions EXCEPT: - answer They are
highly penetrating
All of the following are true of a radionuclide effective half-life EXCEPT: - answer It is
of little importance as a consideration of radionuclides used for medical diagnosis
Nuclear images acquired by way of SPECT scanning: - answer produce a cross-
sectional image of the anatomy
Which of the following types of radiation can be described as: large mass? - answer
Alpha