FRCR Physics MCQs in Clinical Radiology by Ibrahim Lutfi Shuaib & Hafiz M. Zin & Mohd Zahri Abdul Aziz & Noor Diyana Osman & Rafidah Zainon

FRCR Physics MCQs in Clinical Radiology by Ibrahim Lutfi Shuaib & Hafiz M. Zin & Mohd Zahri Abdul Aziz & Noor Diyana Osman & Rafidah Zainon

Author:Ibrahim Lutfi Shuaib & Hafiz M. Zin & Mohd Zahri Abdul Aziz & Noor Diyana Osman & Rafidah Zainon
Language: eng
Format: epub
ISBN: 9789811309113
Publisher: Springer Singapore


(C) False. Annihilation radiation is produced when a particle and its antiparticle collide and annihilate. This refers to 511 keV gamma rays produced by electron colliding with a positron.

(D) True. Time-of-flight PET reconstruction is to obtain the best possible information about the PET tracer distribution.

(E) False. The collimators are not needed because the directionality of annihilation photons provides information about the origin of the photons.

29. Concerning nuclear magnetic resonance (NMR): (A) True. Protons and neutrons that make up a nucleus have an intrinsic angular momentum or spin.



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