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Fauber's Radiographic Imaging and Exposure 7th Edition
by Terri L. Fauber EdD RT(R)(M) (chapter 1-10) (Author)Graded A+ PRINTEND
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,Radiographic Imaging And Exposure 7th Edition Fauber Test
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Chapter 01: Radiation And Its Discovery
Fauber: Radiographic Imaging And Exposure, 7th Edition
Multiple Choice
1. When Were X-Rays Discovered?
a. October 8, 1985
b. November 8, 1895
c. January 23, 1896
d. August 15, 1902
Ans: B
X-Rays Were Discovered By Wilhelm Conrad Roentgen On November 8, 1895.
Ref: P.1
2. What Type Of Tube Was Roentgen Working With In His Lab When X-Rays Were Discovered?
a. Crookes Tube
b. Fluorescent Tube
c. High-Vacuum Tube
d. Wurzburg Tube
Ans: A
Roentgen Was Working With A Low-Vacuum Tube Known As A Crookes Tube.
Ref: P.2
3. Which Of The Following Terms Could Be Defined As The Instantaneous Production Of
Light Only During An Interaction Between A Type Of Energy And Some Element Or
Compound?
a. Phosphorescence
b. Afterglow
c. Glowing
d. Fluorescence
Ans: D
Fluorescence Is The Instantaneous Emission Of Light From A Material Due To The Interaction
With Some Type Of Energy.
Ref: P.2
4. Barium Platinocyanide Was The:
a. Type Of Dark Paper Roentgen Used To Darken His Laboratory.
b. Material Roentgen Used To Produce The First Radiograph Of His Wife’s Hand.
c. Metal Used To Produce The Low-Vacuum Tube.
d. Fluorescent Material That Glowed When The Tube Was Energized.
Ans: D
A Piece Of Paper Coated With Barium Platinocyanide Glowed Each Time Roentgen Energized
His Tube.
Ref: P.2
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,5. the first radiograph produced by roentgen, of his wife’s hand, required an exposure time of:
a. 15 s.
b. 150 s.
c. 15 min.
d. 150 min.
ans: c
it took a 15-min exposure time to produce the first radiograph.
ref: p.3
6. the letter x in x-ray is the symbol for:
a. electricity.
b. the unknown.
c. penetrating.
d. discovery.
ans: b
the letter x represents the mathematical symbol of the unknown.
ref: p.3
7. the first nobel prize for physics was received in 1901 by:
a. marie curie.
b. william crookes.
c. wilhelm roentgen.
d. albert einstein.
ans: c
wilhelm roentgen received the first nobel prize for physics in 1901.
ref: p.4
8. x-rays were at one time called:
a. becquerel rays.
b. roentgen rays.
c. z-rays.
d. none of the above.
ans: b
x-rays were at one time called roentgen rays.
ref: p.4
9. erythema, an early sign of biologic damage due to x-ray exposure, is:
a. reddening of the skin.
b. a malignant tumor.
c. a chromosomal change.
d. one of the most serious effects of x-ray exposure.
ans: a
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, erythema is reddening and burning of the skin, an early and less serious effect of exposure to
large doses of x-radiation.
ref: p.5
10. x-rays have which of the following properties?
a. electrical
b. magnetic
c. chemical
d. a and b
e. a and c
ans: d
x-rays, a type of electromagnetic radiation, have both electrical and magnetic properties.
ref: p.5
11. the distance between two successive crests of a sine wave is known as:
a. an angstrom.
b. frequency.
c. the greek letter nu.
d. wavelength
ans: d
the distance between two successive crests or troughs of a sine wave is the measure of its
wavelength.
ref: p.6
12. x-rays used in radiography have wavelengths that are measured in:
a. angstroms.
b. millimeters.
c. centimeters.
d. hertz.
ans: a
x-rays in the range used in radiography have wavelengths that are so short that they are
measured in angstroms.
ref: p.6
13. the frequency of a wave is the number of waves passing a given point per given unit of time.
frequency is measured in:
a. angstroms.
b. hertz.
c. inches.
d. ev.
ans: b
the unit of frequency is hertz. the frequency of x-rays in the radiography range varies from
about 3 1019 to 3 1018 hz.
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