COMPLETE TEST BANK RADIOGRAPHIC IMAGING AND EXPOSURE 7TH EDITION FAUBER QUESTIONS & ANSWERS WITH RATIONALES (CH 1-10)

COMPLETE TEST BANK RADIOGRAPHIC IMAGING AND
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EXPOSURE 7TH EDITION FAUBER QUESTIONS &
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ANSWERSWITH RATIONALES (CH 1-10)
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,CH 01: Radiation and Its Discovery
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Fauber: Radiographic Imaging and Exposure, 7TH Edition
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MULTIPLE CHOICE m




1. When were x-rays discovered?
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a. October 8, 1985 m m



b. November 8, 1895 m m



c. January 23, 1896 m m



d. August 15, 1902 m m




ACCURATE ANS:-B m



REASONING:->>>X-rays were discovered by Wilhelm Conrad Roentgen on November m m m m m m m m



8,1895.
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REFERENCE: Page.1 m




2. What type of tube was Roentgen working with in his lab when x-rays were discovered?
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a. Crookes tube m



b. Fluorescent tube m



c. High-vacuum tube m



d. Wurzburg tube m




ACCURATE ANS:-A m



REASONING:->>>Roentgen was working with a low-vacuum tube known as a Crookes tube. m m m m m m m m m m m




REFERENCE: Page.2 m




3. Which of the following terms could be defined as the instantaneous production of light
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onlyduring an interaction between a type of energy and some element or compound?
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a. Phosphorescence
b. Afterglow
c. Glowing
d. Fluorescence
ACCURATE ANS:-D m



REASONING:->>>Fluorescence is the instantaneous emission of light from a material due m m m m m m m m m m



tothe interaction with some type of energy.
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REFERENCE: Page.2 m




4. Barium platinocyanide was the:
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a. type of dark paper Roentgen used to darken his laboratory.
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b. material Roentgen used to produce the first radiograph of his wife’s hand.
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c. metal used to produce the low-vacuum tube.
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d. fluorescent material that glowed when the tube was energized. m m m m m m m m




ACCURATE ANS:-D m



REASONING:->>>A piece of paper coated with barium platinocyanide glowed each m m m m m m m m m



timeRoentgen energized his tube.
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REFERENCE: Page.2 m

,5. The first radiograph produced by Roentgen, of his wife’s hand, required an exposure time of:
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a. 15 s. m



b. 150 s.
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c. 15 min. m



d. 150 min. m




ACCURATE ANS:-C m



REASONING:->>>It took a 15-min exposure time to produce the first radiograph. m m m m m m m m m m




REFERENCE: Page.3 m




6. The letter x in x-ray is the symbol for:
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a. electricity.
b. the unknown. m



c. penetrating.
d. discovery.
ACCURATE ANS:-B m



REASONING:->>>The letter x represents the mathematical symbol of the unknown. m m m m m m m m m




REFERENCE: Page.3 m




7. The first Nobel Prize for physics was received in 1901 by:
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a. Marie Curie. m



b. William Crookes. m



c. Wilhelm Roentgen. m



d. Albert Einstein. m




ACCURATE ANS:-C m



REASONING:->>>Wilhelm Roentgen received the first Nobel Prize for physics in 1901. m m m m m m m m m m




REFERENCE: Page.4 m




8. X-rays were at one time called:
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a. Becquerel rays. m



b. Roentgen rays. m



c. Z-rays.
d. none of the above. m m m




ACCURATE ANS:-B m



REASONING:->>>X-rays were at one time called Roentgen rays. m m m m m m m




REFERENCE: Page.4 m




9. Erythema, an early sign of biologic damage due to x-ray exposure, is:
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a. reddening of the skin. m m m



b. a malignant tumor.
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c. a chromosomal change.
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d. one of the most serious effects of x-ray exposure.
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ACCURATE ANS:-A m

, REASONING:->>>Erythema is reddening and burning of the skin, an early and less seriouseffect m m m m m m m m m m m m m



of exposure to large doses of x-radiation.
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REFERENCE: Page.5 m




10. X-rays have which of the following properties?
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a. Electrical
b. Magnetic
c. Chemical
d. A and B m m



e. A and C m m




ACCURATE ANS:-D m



REASONING:->>>X-rays, a type of electromagnetic radiation, have both electrical m m m m m m m m



andmagnetic properties.
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REFERENCE: Page.5 m




11. The distance between two successive crests of a sine wave is known as:
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a. an angstrom. m



b. frequency.
c. the Greek letter nu. m m m



d. wavelength
ACCURATE ANS:-D m



REASONING:->>>The distance between two successive crests or troughs of a sine wave is
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themeasure of its wavelength.
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REFERENCE: Page.6 m




12. X-rays used in radiography have wavelengths that are measured in:
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a. angstroms.
b. millimeters.
c. centimeters.
d. hertz.
ACCURATE ANS:-A m



X-rays in the range used in radiography have wavelengths that are so short that they
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aremeasured in angstroms.
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REFERENCE: Page.6 m




13. The frequency of a wave is the number of waves passing a given point per given unit of
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mtime.Frequency is measured in:
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a. angstroms.
b. hertz.
c. inches.
d. eV.
ACCURATE ANS:-B m



REASONING:->>>The unit of frequency is hertz. The frequency of x-rays in theradiography
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range varies from about 3  1019 to 3  1018 Hz.
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