The document is not the original book; it's a handy collection of pre-written exam questions and answers that helps
educators gauge students' understanding of the course material.
It’s a great resource for creating quizzes and exams, saving teachers time and ensuring
students are assessed f...
Radiographic Imaging and Exposure 6th Edition Test Bank
Chapter 01: Radiation and Its Discovery
Fauber: Radiographic Imaging and Exposure, 6th Edition
MULTIPLE CHOICE
1. When were x-rays discovered?
a.
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.
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.
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.
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.
, Radiographic Imaging and Exposure 6th Edition Test Bank
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.
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.
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.
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.
8. X-rays were at one time called:
a. Becquerel rays.
b. Roentgen rays.
c. Z-rays.
d. gamma rays.
ANS: B
X-rays were at one time called Roentgen rays.
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
Erythema is reddening and burning of the skin, an early and less serious effect of exposure to
large doses of x-radiation.
10. X-rays have which of the following properties?
a. Electrical and magnetic
, Radiographic Imaging and Exposure 6th Edition Test Bank
b. Electrical and chemical
c. Magnetic and chemical
d. All options are correct.
ANS: A
X-rays, a type of electromagnetic radiation, have both electrical and magnetic properties.
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.
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.
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.
14. Which of the following is a correct description of the relationship between the wavelength
and frequency of the x-ray photon?
a. Wavelength and frequency are directly proportional.
b. Wavelength and frequency are inversely related by the square root of lambda.
c. Frequency and wavelength are inversely related.
d. Wavelength and frequency have no relationship to each other.
ANS: C
Wavelength and frequency are inversely related; as one increases, the other decreases.
15. A _____ is a small, discrete bundle of energy.
a. phaser
b. quark
c. photon
d. mesion
, Radiographic Imaging and Exposure 6th Edition Test Bank
ANS: C
A photon, or quantum, is a small, discrete bundle of energy.
16. The speed of light is:
a. 3 a. 3 x 108 meters per second and 3 108 miles per second
b. 3 108 meters per second and 186,000 miles per second
c. 3 108 miles per second and 186,000 miles per second
d. All options are correct.
ANS: B
The speed of light can be described as either 3 108 meters per second or 186,000 miles per
second.
17. When first developed, the branch of medicine using x-rays was called:
a. radiology.
b. radiography.
c. roentgenology.
d. imaging sciences.
ANS: C
What we now call radiology was first called roentgenology.
18. The electrical energy applied to an x-ray tube will be transformed to:
a. heat and x-rays
b. heat and light
c. x-rays and light
d. All options are correct.
ANS: A
The electrical energy applied to the x-ray tube will be transformed into heat (primarily) and x-
rays.
19. The Greek symbol lambda () represents the x-ray’s:
a. wavelength.
b. speed.
c. frequency.
d. quantity.
ANS: A
Lambda () is the Greek symbol that represents wavelength.
20. An angstrom (Å) is equal to:
a. 10−1 meter
b. 10−10 meter
c. 10−1 foot
d. 10−10 foot
ANS: B
One angstrom is equal to 10−10 meter.
21. X-rays used in radiography have wavelengths ranging from 0.1 to:
a. 0.01 Å.
b. 1 Å.
Les avantages d'acheter des résumés chez Stuvia:
Qualité garantie par les avis des clients
Les clients de Stuvia ont évalués plus de 700 000 résumés. C'est comme ça que vous savez que vous achetez les meilleurs documents.
L’achat facile et rapide
Vous pouvez payer rapidement avec iDeal, carte de crédit ou Stuvia-crédit pour les résumés. Il n'y a pas d'adhésion nécessaire.
Focus sur l’essentiel
Vos camarades écrivent eux-mêmes les notes d’étude, c’est pourquoi les documents sont toujours fiables et à jour. Cela garantit que vous arrivez rapidement au coeur du matériel.
Foire aux questions
Qu'est-ce que j'obtiens en achetant ce document ?
Vous obtenez un PDF, disponible immédiatement après votre achat. Le document acheté est accessible à tout moment, n'importe où et indéfiniment via votre profil.
Garantie de remboursement : comment ça marche ?
Notre garantie de satisfaction garantit que vous trouverez toujours un document d'étude qui vous convient. Vous remplissez un formulaire et notre équipe du service client s'occupe du reste.
Auprès de qui est-ce que j'achète ce résumé ?
Stuvia est une place de marché. Alors, vous n'achetez donc pas ce document chez nous, mais auprès du vendeur QuizNursing. Stuvia facilite les paiements au vendeur.
Est-ce que j'aurai un abonnement?
Non, vous n'achetez ce résumé que pour $17.99. Vous n'êtes lié à rien après votre achat.
