COMPLETE TEST BANK RADIOGRAPHIC IMAGING AND
EXPOSURE 7TH EDITION FAUBER QUESTIONS & ANSWERS
WITH RATIONALES (CH 1-10)
,CH 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
ACCURATE ANS:-B
REASONING:->>>X-rays were discovered by Wilhelm Conrad Roentgen on November 8,
1895.
REFERENCE: Page.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
ACCURATE ANS:-A
REASONING:->>>Roentgen was working with a low-vacuum tube known as a Crookes tube.
REFERENCE: Page.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
ACCURATE ANS:-D
REASONING:->>>Fluorescence is the instantaneous emission of light from a material due to
the interaction with some type of energy.
REFERENCE: Page.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.
ACCURATE ANS:-D
REASONING:->>>A piece of paper coated with barium platinocyanide glowed each time
Roentgen energized his tube.
REFERENCE: Page.2
,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.
ACCURATE ANS:-C
REASONING:->>>It took a 15-min exposure time to produce the first radiograph.
REFERENCE: Page.3
6. The letter x in x-ray is the symbol for:
a. electricity.
b. the unknown.
c. penetrating.
d. discovery.
ACCURATE ANS:-B
REASONING:->>>The letter x represents the mathematical symbol of the unknown.
REFERENCE: Page.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.
ACCURATE ANS:-C
REASONING:->>>Wilhelm Roentgen received the first Nobel Prize for physics in 1901.
REFERENCE: Page.4
8. X-rays were at one time called:
a. Becquerel rays.
b. Roentgen rays.
c. Z-rays.
d. none of the above.
ACCURATE ANS:-B
REASONING:->>>X-rays were at one time called Roentgen rays.
REFERENCE: Page.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.
ACCURATE ANS:-A
, REASONING:->>>Erythema is reddening and burning of the skin, an early and less serious
effect of exposure to large doses of x-radiation.
REFERENCE: Page.5
10. X-rays have which of the following properties?
a. Electrical
b. Magnetic
c. Chemical
d. A and B
e. A and C
ACCURATE ANS:-D
REASONING:->>>X-rays, a type of electromagnetic radiation, have both electrical and
magnetic properties.
REFERENCE: Page.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
ACCURATE ANS:-D
REASONING:->>>The distance between two successive crests or troughs of a sine wave is the
measure of its wavelength.
REFERENCE: Page.6
12. X-rays used in radiography have wavelengths that are measured in:
a. angstroms.
b. millimeters.
c. centimeters.
d. hertz.
ACCURATE ANS:-A
X-rays in the range used in radiography have wavelengths that are so short that they are
measured in angstroms.
REFERENCE: Page.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.
ACCURATE ANS:-B
REASONING:->>>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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