Section 21.3
Nuclear Tools
Practice Test
1.
This radioisotope is commonly used to diagnose and treat thyroid conditions.
a.
C-14
b.
I-131
c.
Mo-99
d.
Na-24
Hint
2.
Gamma radiation produced by cobalt-60 is often used to ________________.
a.
conduct PET scans
b.
destroy cancerous cells
c.
diagnose cancer
d.
produce other radioisotopes
Hint
3.
____________ containing radioactive P-32 have been used to help clarify complex metabolic pathways.
a.
Fusion reactors
b.
Protons
c.
Tracers
d.
U-235 atoms
Hint
4.
Exposure to ________________ can extend the shelf life of food.
a.
alpha particles
b.
bacteria
c.
gamma radiation
d.
heat
Hint
5.
These devices produce most artificial elements.
a.
centrifuges
b.
fission reactors
c.
fusion reactors
d.
particle accelerators
Hint
6.
This element accounts for most of the radiation to which people are exposed.
a.
carbon
b.
hydrogen
c.
phosphorus
d.
radon
Hint
7.
Which of the following would be the best choice for use in detecting diseased tissue as part of medical diagnostics?
a.
gamma ray
b.
ionizing radiation
c.
radiotracer
d.
X-ray
Hint
