The organs most vulnerable to x-ray damage are:
a. Brain, gonads, and blood-forming organs.
b. Stomach, eye lenses, and gonads.
Blood-forming organs and the gonads.
d. Hands, feet, and ears.
Tissue from x-ray exposure is usually 90 percent reparable. However, about
_____________ of the damage can never be repaired.
a. One percent.
b. Five percent.
d. 20 percent.
In the energy range employed in medical radiography, the relationship among RE
(roentgen), rad (absorbed dose), and rem (rad equivalent man) can be expressed
a. R x rad = rem.
b. R - rad = rem.
1 R = 1 rad = 1 rem.
d. R/rad = rem.
There is no truly safe dose of irradiation. However, the subcourse speaks of a
b. Maximum permissible.