5

Question 1

when types of electromagnetic energy is grouped together, it make up the..

Answer 1

electromagnetic spectrum

Question 2

3 regions most important to radiologic science

Answer 2

Visible light (VL)

x-ray and gamma radiation

radiofrequency (RF)

Question 3

relationship of wavelength and frequency

Answer 3

inversely proportional

Question 4

unit of frequency that is used to describe radio waves

Answer 4

hertz (Hz)

Question 5

x-rays are described in terms of unit of energy

Answer 5

electron volt (eV)

Question 6

deviation in line of travel of visible light

Answer 6

refraction

Question 7

2 types of invisible light

Answer 7

infrared and ultraviolet

Question 8

invisible light that is located in the electromagnetic spectrum between VL and ionizing radiation

Answer 8

ultraviolet light

Question 9

invisible light that consists of photons with wavelengths longer than those of VL but shorter than those microwaves

Answer 9

infrared light

Question 10

frequency of transmission

Answer 10

radiofrequency (RF) emissions

Question 11

this covers a considerable portion of the electromagnetic spectrum. has relatively low energy and long wavelength

Answer 11

radiofrequency

Question 12

frequency range of electromagnetic energy extends from approximately..

Answer 12

10 2 to 10 24 Hz

Question 13

photon wavelengths associated with these radiations are approximately..

Answer 13

10 7 to 10 -16 m

Question 14

characterized by the energy contained in a photon

Answer 14

ionizing electromagnetic energy (ionizing radiation)

Question 15

frequency of x-radiation is much higher and wavelength much shorter

(no answer)

Answer 15

frequency of x-radiation is much higher and wavelength much shorter

Question 16

region that is fundamental to producing a high-quality radiograph

Answer 16

x-ray region

Question 17

region for viewing conditions of a radiographic/fluoroscopic image

Answer 17

visible light region

Question 18

region important in medical imaging

Answer 18

RF region

Question 19

electromagnetic relationship triangle

Answer 19

Planck’s constant

c = fλ

E = fh

E = ch/λ