Deck 1: Radiation and Its Discover

Question 1

When first developed, the branch of medicine using x-rays was called:

A) Radiology
B) Radiography
C) Roentgenology
D) Imaging sciences

Answer 1

Roentgenology

Question 2

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

Answer 2

Wavelength

Question 3

Erythema, an early sign of biological 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

Answer 3

Reddening of the skin

Question 4

Which of the following were reactions to the discovery of x-rays?

A) Development of x-ray proof underwear
B) Laws passed to ban x-ray producing devices in opera glasses
C) Recommendation to execute Roentgen
D) All of the above

Question 5

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

Question 6

The Greek symbol lambda ( $\lambda$ )represents the x-ray's:

A) Wavelength
B) Speed
C) Frequency
D) Quantity

Question 7

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

Question 8

The first radiograph produced by Roentgen, of his wife's hand, required an exposure time of:

A) 15 seconds
B) 150 seconds
C) 15 minutes
D) 150 minutes

Question 9

The speed of light is:

A) 3 $\times$ 10⁸ meters per second
B) 3 $\times$ 10⁸ miles per second
C) 186,000 miles per second
D) A and C

Question 10

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

Question 11

The electrical energy applied to an x-ray tube will be transformed to:

A) Heat
B) Light
C) X-rays
D) A and C

Question 12

An angstrom (Å)is equal to:

A) 10^-1 meter
B) 10^-10 meter
C) 10^-1 foot
D) 10^-10 foot

Question 13

The letter x in x-ray is the symbol for:

A) Electricity
B) The unknown
C) Penetrating
D) Discovery

Question 14

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

Question 15

X-rays have which of the following properties?

A) Electrical properties
B) Magnetic properties
C) Chemical properties
D) A and B

Question 16

X-rays used in radiography have wavelengths that are measured in:

A) Angstroms
B) Millimeters
C) Centimeters
D) Inches

Question 17

The first Nobel Prize for physics was received in 1901 by:

A) Marie Curie
B) Crookes
C) Wilhelm Roentgen
D) Einstein

Question 18

When were x-rays discovered?

A) October 8, 1985
B) November 8, 1895
C) January 23, 1896
D) August 15, 1902

Question 19

A _____ is a small, discrete bundle of energy.

A) Phaser
B) Quark
C) Photon
D) Mesion

Question 20

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.

Question 21

The energy of an individual x-ray photon is measured in:

A) Frequency
B) Wavelength
C) Kilovolts peak (kVp)
D) Electron volts (eV)

Question 22

X-rays carry a negative charge that causes ionization.

Question 23

In the formula c = $\lambda$ v, c represents:

A) Frequency
B) The speed of light
C) Wavelength
D) Kinetic energy

Question 24

Since Roentgen's discovery in the late nineteenth century, we have learned an enormous amount about the properties of x-rays.

Question 25

X-rays can produce ionization of atoms making up cells, causing damage.

Question 26

An x-ray beam that has photons with many different energies is:

A) Homogenous
B) Monoenergetic
C) Heterogeneous
D) Never found

Question 27

Chemical changes may occur as a result of exposure to ionizing radiation.

Question 28

It is impossible for x-rays to interact with matter and produce secondary radiation.

Question 29

X-rays can:

A) Penetrate the human body
B) Be absorbed in the human body
C) Change direction in the human body
D) All of the above

Question 30

In the formula c = $\lambda$ v, v represents:

A) Frequency
B) The speed of light
C) Wavelength
D) Kinetic energy

Question 31

X-rays produce a slight tingling sensation when they enter the body.

Question 32

X-rays are able to interact with certain materials and produce light energy.

Question 33

X-rays used in radiography have wavelengths ranging from 0.1 Å to:

A) 0.01 Å
B) 1 Å
C) 10 Å
D) 100 Å

Question 34

X-rays cannot be focused with a lens.

Question 35

X-rays are invisible.

Question 36

X-ray photons travel at the speed of light in a vacuum.

Question 37

X-rays will change direction in the presence of a strong magnetic field.

Question 38

X-ray photons are capable of traveling around corners.