13 Jun Which atoms are frequently used to form better contrast in X-ray imaging
Question
Question 28
Which atoms are frequently used to form better contrast in X-ray imaging?
a) The relatively heavy atoms, Iodine and Barium
b) The relatively small atoms, Beryllium and Boron
c) The inert gases, Argon-18 and Neon-10
1 points
Question 29
What form of radiation can cause H2O molecules to stretch, bend and rock?
a) FM radio waves
b) AM radio waves
c) Microwaves
1 points
Question 30
In 1999 O’Leary showed Intima-Media Thickness [IMT] in the carotid artery
is strongly associated with rates of rates of stroke and heart attack.
What tool did he use to measure IMT?
a) Ultrasound
b) Angiograms
c) MRI
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