Test Bank –Fauber’s Radiographic Imaging And Exposure 7th Edition Author:Terri L. Fauber With Verified Questions & Answers (All Chapters1-10)100% Complete A+ Grade Latest Edition

,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.