Which of the following statements about contrast in radiography is true –
Correct Answer: Ionic monomers have three iodine atoms per two paicles in solution
Description: option A is correct : Ionic monomers have three iodine atoms per two paicles in solution Ionic dimers and non ionic monomers have three iodine atoms per one paicle in solution Non ionic dimers have six iodine atoms per one paicle in solution option B is incorrect : High osmolar agents (ionic monomers) are only ionic low osmolar agents may be ionic or non ionic iso osmolar agents are only non ionic option C is incorrect : Gadolinium does not cross Blood brain barrier (BBB) option D is incorrect : Iohexol is low osmolar (non ionic monomer)
Category:
Radiology
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