Expert answer:Which atoms are frequently used to form better con

  

Solved by a verified expert:Question 28Which atoms are frequently used to form better contrast in X-ray imaging?a) The relatively heavy atoms, Iodine and Bariumb) The relatively small atoms, Beryllium and Boronc) The inert gases, Argon-18 and Neon-101 points Question 29What form of radiation can cause H2O molecules to stretch, bend and rock?a) FM radio wavesb) AM radio wavesc) Microwaves1 points Question 30In 1999 O’Leary showed Intima-Media Thickness [IMT] in the carotid arteryis strongly associated with rates of rates of stroke and heart attack. What tool did he use to measure IMT?a) Ultrasoundb) Angiogramsc) MRI

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