The Ideal Iodinated Contrast Agent Would Have What Characteristic(s)

Multiple Choice

The ideal iodinated contrast agent would have what characteristic(s) ?
1) High osmolality
2) Low osmolality
3) Nonionic chemical structure
4) Water solubility (hydrophilic)
5) Three or more iodine atoms per molecule

A) 1,4,and 5 only
B) 1,3,and 5 only
C) 2,3,4,and 5 only
D) 2 only