Chapter 20 vocab

Question 1

contrast studies

Answer 1

radiopaque material thats injected to obtain contrast with surrounding tissue

Question 2

gamma camera

Answer 2

machine to detect gamma rays emitted from radiopharmaceuticals during scanning for diagnostic purposes

Question 3

gamma rays

Answer 3

high energy rays emitted by radioactive substances in tracer studies

Question 4

half-life

Answer 4

time it takes for for a radioactive substance to lose half its radioactivy by discentigration

Question 5

intervention radiology

Answer 5

therapeutic or diagnostic procedures performed by a radiologist

Question 6

in vitro

Answer 6

process, test or procedure that is performed measured or observed outside of a living organism

Question 7

in vivo

Answer 7

process test or procedure that is performed within a living organism

Question 8

ionization

Answer 8

transformation of electrically neutral substances into electrically charged particles

Question 9

magnetic resonance imaging

Answer 9

magnetic filed and radio waves produce sagittal, cornal and axial images of the body

Question 10

nuclear medicine

Answer 10

medical speciality that uses radioactive substances in the diaggnosi of disease

Question 11

positron emission tomography

Answer 11

positron emitting radioactive substances given intravenously to create a cross sectional image of cellular metabolism based on local concentrations of radioactive substance

Question 12

radioimmunology

Answer 12

test combining radioactive chemicals and antibodies to detect minute quantiles of substances in patients blood

Question 13

radioisotope

Answer 13

radioactive form of an element substance

Question 14

radiolabeled compound

Answer 14

radiopharmaceutical; used in nuclear medicine studies

Question 15

radiology

Answer 15

medical speciality concerned with the study of x-rays and their use in the diagnosis of disease

Question 16

radiolucent

Answer 16

permitting the passage of x-ray

appear black on x-ray images

Question 17

radionuclide

Answer 17

radioactive form of an element that gives off energy in the form o radiation

Question 18

radiopaque

Answer 18

obstructing the passage of x-rays

appear white on x-ray images

Question 19

radiopharmaceutical

Answer 19

radioactive drug that is administered safely for diagnosis and therapeutic purposes

Question 20

scan

Answer 20

image of a area, organ or tissue of the body obtained from US, CT, MRI, radioactive tracer studies

Question 21

scintigrahy

Answer 21

diagnostic nuclear medicine test using radiopharmaceuticals and gamma camera to create images

Question 22

single photon emission computed tomography

Answer 22

radioactive tracer is injected intravenously and a computer re constructs a 3D image based on a composition of many views

Question 23

tagging

Answer 23

attatching a radionuclide to a chemical and following it path in the body

Question 24

tracer studies

Answer 24

radionuclide are used as tags or labels, attached to chemicals and follows as they travel through the body

Question 25

ultrasnography

Answer 25

diagnostic technique that projects and retrieves high frequency sound wave as they echo off parts of the body

Question 26

ultrasound transducer

Answer 26

handheld device that sends and receive ultrasound signals

Question 27

uptake

Answer 27

rate of absorption of a radionuclide into an organ or tissue

Question 28

ventilation-perfusuion studies

Answer 28

radiopharmaceutical in inhaled and injected intravenously followe by imaging its passage through the respiratory tract

Question 29

is/o

Answer 29

same

Question 30

pharmaceut/o

Answer 30

drug

Question 31

radi/o

Answer 31

x-ray

Question 32

son/o

Answer 32

sound

Question 33

therapeut/o

Answer 33

treatment

Question 34

vitr/o

Answer 34

glass

Question 35

viv/o

Answer 35

life

Question 36

flur/o

Answer 36

luminous

Question 37

roentgen/o

Answer 37

x-ray

Question 38

-gram

Answer 38

record

Question 39

-graphy

Answer 39

process of recording

Question 40

-lucent

Answer 40

to shine

Question 41

-opaque

Answer 41

obscure

Question 42

echo-

Answer 42

a repeated sound

Question 43

ultra-

Answer 43

beyond

Question 44

cine-

Answer 44

movement

Question 45

computed tomography

Answer 45

diagnostic x ray procedure where cross sectional image of a body segment is created

Question 46

abduction

Answer 46

movement away from the midline of the body

Question 47

adduction

Answer 47

movement towards he midline of the body

Question 48

eversion

Answer 48

turning outward

Question 49

extention

Answer 49

straightening of flexed limb

Question 50

flexion

Answer 50

bending a part of the body

Question 51

inversion

Answer 51

turning inwards

Question 52

lateral decubitus

Answer 52

lying down on the side - xray beam positioned horizontally

Question 53

prone

Answer 53

lying on the belly

Question 54

recumbent

Answer 54

lying down, either prone or supine

Question 55

supine

Answer 55

lying face up