Special Applications of Nuclear and Wave Phenomena Answers

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3

Which lists imaging techniques that use wave behaviors in order of resolution from the best resolution to the worst?

A
CT scan, MRI, X-ray imaging
B
X-ray imaging, CT scan, MRI
C
MRI, CT scan, X-ray imaging
D
MRI, X-ray imaging, CT scan
4

Which imaging techniques capture real-time images?

A
sonography and fluoroscopy
B
radiography and fluoroscopy
C
sonography and CT
D
MRI and CT
5

A doctor thinks a patient has an intussusception, in which a part of the intestine slides inside itself like the parts of a collapsible telescope. Which imaging technique is the doctor most likely to use? Explain.

A
X-ray radiography is most likely because it can make an image of a large area of the body.
B
Sonography is most likely because it has good resolution without radiation.
C
X-ray fluoroscopy is most likely because it can monitor the movement of material in real time.
D
A CT scan is most likely because it can form a three-dimensional image of the intestines.
6

Which lists imaging techniques that use wave behaviors in order of increased risk of cancer from least risk to greatest?

A
sonography, X-ray radiography, CT scan
B
CT scan, X-ray radiography, sonography
C
sonography, CT scan, X-ray radiography
D
X-ray radiography, sonography, CT scan
8

How do radiography and fluoroscopy compare?

A
Neither technique increases the risk of developing cancer.
B
Radiography can monitor a process, but fluoroscopy forms a single image.
C
Each technique uses electromagnetic waves.
D
Radiography uses ionizing radiation, but fluoroscopy does not.
9

The use of radioisotope imaging is best suited for which procedure?

A
to detect a small metal fragment embedded in the thigh
B
to monitor the function of an enzyme in the cells of the pancreas
C
to help place a stent in a heart patient’s artery
D
to pinpoint blockages in very small blood vessels
10

What is the relationship between radiopharmaceuticals, tracers, and radionuclides?

A
A tracer is part of a radionuclide, which functions as a radiopharmaceutical.
B
A radionuclide is part of a radiopharmaceutical, which functions as a tracer.
C
A radiopharmaceutical is part of a radionuclide, which functions as a tracer.
D
A tracer is part of a radiopharmaceutical, which functions as a radionuclide.

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