Regarding the magnetic resonance imaging (MRI)
contrast medium gadolinium, which one of the following statements is TRUE?
a) Gadolinium is usually administered as the soluble
salt, gadolinium chloride
b) Unlike X-ray contrast media, gadolinium is safe
to administer to patients with stage
3 chronic kidney disease
c) Gadolinium is paramagnetic in its Gd3+ state
d) The main role in MRI for gadolinium is to enhance
the brightness of neural tissue
e) Gadolinium produces a similar incidence of severe
allergic reactions compared to
X-ray contrast media
