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NMTCB PET Practice Questions -1 Latest Updated A+ $15.99   Add to cart

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NMTCB PET Practice Questions -1 Latest Updated A+

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NMTCB PET Practice Questions -1

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  • October 20, 2024
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  • 2024/2025
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julianah420
NMTCB PET Practice Questions #1

Quantitative bias that refers to the underestimation of counts density which
differs from what they should be is called:
(A) Motion artifact
(B) Partial-volume effect
(C) Recovery coef fi cient
(D) Truncation artifact - answer(B) Partial-volume effect

Truncation artifacts in PET/CT imaging are produced by:
(A) Contrast medium
(B) Difference in size of FOV between PET and the CT
(C) Difference in scanning time between PET and the CT
(D) Beds overlapping - answer(B) Difference in size of FOV between PET and the CT

Property of PET detectors that allows them faster timing signals for coincidence
detection and to work at high count rates is called:
(A) The stopping power
(B) Energy resolution
(C) The decay constant
(D) The light output - answer(C) The decay constant

The first PET radiopharmaceutical to receive the U.S. Food and Drug
Administration approval in 1989 was:
(A) Rb-82
(B) F-18 Fluoride
(C) F-18 FDG
(D) N-13 ammonia - answer(A) Rb-82

The dose calibrator quality control procedure performed to assess the device's
ability to measure accurately a range of a low to high activities is called:
(A) Geometry
(B) Accuracy
(C) Linearity
(D) Constancy - answer(C) Linearity

The following positron-emitting radionuclides are isotopes of natural elements present in
most biochemical processes EXCEPT:
(A) O-15
(B) F-18
(C) C-11
(D) N-13 - answer(B) F-18

, Two photons arising from the same annihilation event and detected by two
detectors within the coincidence time-window are:
(A) True coincidences
(B) Random events
(C) Scatter coincidences
(D) Single events - answer(A) True coincidences

Positronium (Ps) is an arrangement of:
(A) Two positrons
(B) Two electrons
(C) An electron and a positron
(D) A positron and a neutrino - answer(C) An electron and a positron

The combined whole-body effective dose for a clinically diagnostic PET/CT is
typically in the range:
(A) <10 mSv
(B) 10-20 mSv
(C) 20-30 mSv
(D) >30 mSv - answer(C) 20-30 mSv

The positron has the same mass as an electron and an electric charge of:
(A) -2
(B) −1
(C) 0
(D) +1 - answer(D) +1

The initial diagnosis of melanoma is established by:
(A) PET examination
(B) CT examination
(C) Histologic evaluation
(D) Dermatologist evaluation - answer(C) Histologic evaluation

Which of the following is cyclotron produced positron-emitting radionuclide?
(A) Copper-62
(B) Nitrogen-13
(C) Gallium-68
(D) Rubidium-82 - answer(B) Nitrogen-13

DNA synthesis is a measure of cellular:
(A) Apoptosis
(B) Mutation
(C) Proliferation
(D) Metabolism - answer(C) Proliferation

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