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WorksheetsIntroduction -Exposure I
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
An incident electron approaches the nucleus. This causes the electron to slow down and change direction, resulting in the loss of energy in the form of an x-ray photon. What interaction has taken place?
a)
Characteristic
b)
Bremstrahlung
c)
Photoelectric
d)
Compton Scatter
2.
A lens is a necessary part of the x-ray tube required to focus the x-ray stream.
a)
True
b)
False
3.
X-rays can fog photographic film.
a)
True
b)
False
4.
X-rays can cause fluorescence of certain crystals.
a)
True
b)
False
5.
Which of the following describes the energy and wavelength of an x-ray photon?
a)
Monoenergetic and homogeneous
b)
Polyenergetic and homogeneous
c)
Monoenergetic and heterogeneous
d)
Polyenergetic and heterogeneous
6.
What is the most radiopaque type of tissue in the human body?
a)
air
b)
fat
c)
muscle
d)
bone
7.
What is the most radiolucent tissue in the human body?
a)
air
b)
fat
c)
muscle
d)
bone
8.
In matter, an incident photon removes an outer shell electron. The electron then changes direction, providing no useful information. What type of interaction has taken place?
a)
Characteristic
b)
Photoelectric
c)
Bremstrahlung
d)
Compton scatter
9.
What substance glowed in Roentgen's laboratory?
a)
barium platinocyanide
b)
gadolinium oxysulfide
c)
lanthanum cyanate
d)
platinum oxycyanide
10.
How does a radiopaque substance appear on a radiograph?
a)
black
b)
gray
c)
white
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