Chapter 21 - Radiology and Nuclear Medicine

Question 1

electromagnetic

Answer 1

pertaining to energy propagated through matter and space

Question 2

ion

Answer 2

an atom or group of atoms having gained or lost

Question 3

ionization

Answer 3

the process of causing an atom or group of atoms to gain or lose one or more electrons

Question 4

ionize

Answer 4

to cause the process of ionization

Question 5

radiolucent

Answer 5

penetrable x-rays or other forms of radiation

Question 6

radiopaque

Answer 6

impenetrable to x-rays or other forms of radiation

Question 7

angiography

Answer 7

radiography of blood vessels after injection of contrast material

Question 8

angiogram

Answer 8

the radiograph obtained by angiography

Question 9

angioplasty

Answer 9

recanalization of a blood vessel by surgery

Question 10

anteroposterior

Answer 10

the direction the x-ray beam passes through the patient: from front to back (AP)

Question 11

fluoroscopy

Answer 11

examination of the structures of the body by x-rays

Question 12

oblique

Answer 12

slanting; in radiology, a projection that is neither frontal nor lateral

Question 13

mediolateral oblique

Answer 13

an angled side view of a structure

Question 14

opaque

Answer 14

impervious to light; impenetrable by x-rays or other forms of radiation

Question 15

posteroanterior

Answer 15

the direction the x-ray beam passes through the patient: from back to front (PA)

Question 16

radiocontrast

Answer 16

agents that make structures stand out in x-ray imaging

Question 17

craniocaudal

Answer 17

a view of a structure from head to foot

Question 18

mammography

Answer 18

x-ray imaging of the breast

Question 19

mammogram

Answer 19

the x-ray record produced by mammography

Question 20

radiograph

Answer 20

image made by exposure to x-rays

Question 21

radiographer

Answer 21

technologist who performs x-ray procedures

Question 22

radiographic

Answer 22

pertaining to x-rays

Question 23

radiology

Answer 23

the study of medical imaging

Question 24

radiologic

Answer 24

pertaining to radiology

Question 25

radiologist

Answer 25

specialist in radiology

Question 26

axis

Answer 26

a line of central support

Question 27

axial

Answer 27

pertaining to an axis

Question 28

coronal

Answer 28

vertical plane dividing the body into anterior and posterior portions

Question 29

fibroglandular

Answer 29

a mixture of fibrous and glandular tissue

Question 30

interventional

Answer 30

pertaining to an overt act to change an event or outcome

Question 31

sagittal

Answer 31

pertaining to the vertical plane dividing the body into right and left portions

Question 32

teleradiology

Answer 32

the interpretation of digitized diagnostic images transmitted from a distance

Question 33

tomogram

Answer 33

radiographic image of a selected section or slice of tissue

Question 34

tomography

Answer 34

process of taking a tomogram

Question 35

ultrasound

Answer 35

very-high-frequency sound waves

Question 36

ultrasonography

Answer 36

delineation of dynamic structures using sound waves

Question 37

photon

Answer 37

a particle of light or other electromagnetic radiation

Question 38

positron

Answer 38

a subatomic particle equal in mass to an electron but with the opposite (positive) charge

Question 39

radionuclide

Answer 39

radioactive agent used in nuclear medicine

Question 40

radiopharmaceutical

Answer 40

radioactive drugs

Question 41

scintigraphy

Answer 41

recording of radioactivity with gamma cameras

Question 42

tracer

Answer 42

radioactive agent used to trace metabolic processes

Question 43

brachytherapy

Answer 43

internal radiation therapy delivered by placing radiation sources into the tumour

Question 44

hypofractionation

Answer 44

larger measures of a dose of radiation given less frequently

Question 45

monoclonal

Answer 45

pertaining to protein from a single clone of cells

Question 46

proton

Answer 46

the positively charged unit of the nuclear mass

Question 47

radioimmunotherapy

Answer 47

the combination of radiotherapy and the use of antibodies, e.g., monoclonal antibodies

Question 48

radiotherapy

Answer 48

treatment using radiation

Question 49

radiotherapist

Answer 49

specialist in the use of radiation in the treatment of patients

Question 50

stereotactic

Answer 50

pertaining to a precise three-dimensional method to locate a lesion or a tumour