CH 20 Radiology

Question 1

DIagnostic x-ray procedure whereby a cross sectional image of a secific body segment is produced. Can produce 3D images.

Answer 1

Computed Tomography (CT) Scan

Question 2

Radio plaque materials (contrast media) are injected to obtain contrast between tissues that would be indistinguishable from one another.

Answer 2

contrast studies

Question 3

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

Answer 3

gamma camera

Question 4

High-energy rays emitted by radioactive substance to loose half its radioactivity by disintegration

Answer 4

half-life

Question 5

Theraputic or diagnostiv procedures performed by a radiologist.

Answer 5

interventional radiology

Question 6

Process, test, or procedure is performed, measured of observed outisde a living organism, often in a test tube.

Answer 6

in vitro

Question 7

Process, test, or procedure is perfored, measured or observed within a living organism.

Answer 7

in vivo

Question 8

Transformation of electrically neutral substances into electrically charged particles, X-rays cause ionization of particles within tissues.

Answer 8

ionization

Question 9

Magnetic Resonance Imaging (MRI)

Answer 9

MAgnetic feild and radio waves produce saggital, coronal, and axial images of the body.

Question 10

Medical speciality that uses radioactive substances (radionuclides) in the diagnosis and treatment of disease.

Answer 10

nuclear medicine

Question 11

Positron-emitting radio-active substances given intraveniously create a cross-sectional image of cellular metabolism based o local concentration of the radioactive substance. PET scans give information about metabloic activity.

Answer 11

Positron Emission Tomography (PET)

Question 12

Test combines radio active chemical and antibodies to detect minute quantities of substances in a patients blood.

Answer 12

radioimmunoassay

Question 13

Radioactive form of an element substance; radioneuclide.

Answer 13

radioscope

Question 14

Radiopharmaceutical;used in nuclear medicine studies.

Answer 14

radiolabeled compound

Question 15

Medical specialty concerned with the study of x-rays and their use in the diagnosis of disease.

Answer 15

Diagnostic Radiology (Radiology)

Question 16

Permitting the passage of x-rays. Appear black on x-ray images.

Answer 16

Radiolucent

Question 17

Radioactive form of an element that gives off energy in the form of radiation; radioisotope.

Answer 17

radionuclide

Question 18

Obstructing the passage of x-rays. Appear white on the x-ray image.

Answer 18

radiopaque

Question 19

Radioactive drug that is administered safely for diagnostic and theraputic purposes.

Answer 19

radiopharmaceutical

Question 20

Image of an are, organ or tissue of the body obtained from ultrasonography, radioactive tracer studies, computed tomography, or magnetic resonance imaging.

Answer 20

scan

Question 21

Diagnostic nuclear medicine test using radiopharmaceuticals and gamma cameras to create images

Answer 21

scintigraphy

Question 22

Radioactive tracer is injected intravenously and a computer reconstructs a 3D image based on a composite of many views.

Answer 22

Single Photon Emission Computed Tomography (SPECT)

Question 23

Attaching a radionuclide to a chemical and following its path in the body.

Answer 23

tagging

Question 24

Radionuclides are used as tags, or labels, attached to chemicals and followed as they travel through the body.

Answer 24

tracer studies

Question 25

Diagnostic technique that projects and retrives high-frequency sound waves as the echo off parts of the body.

Answer 25

Ultrasonography (US)

Question 26

Handheld device that sends and recieves ultrasound signals.

Answer 26

ultrasound transducer

Question 27

Rate of absorption of a radionuclide into an organ or tissue.

Answer 27

uptake

Question 28

Consists of two scans: a ventilation scan performed using a inhaled radiopharmaceutical and a perfusion scan using an intravenously injected radiopharmaceutical. Used to evaluate for pulmonary embolism.

Answer 28

Ventilation-Perfusion Study (V/Q Scan)

Question 29

is/o

Answer 29

same

Question 30

pharmaceut/o

Answer 30

drug

Question 31

radi/o

Answer 31

x-rays

Question 32

son/o

Answer 32

sound

Question 33

therapeut/o

Answer 33

treatment

Question 34

vitr/o

Answer 34

in glass

Question 35

viv/o

Answer 35

life

Question 36

-gram

Answer 36

record

Question 37

-graphy

Answer 37

process of recording

Question 38

-lucent

Answer 38

to shine

Question 39

-opaque

Answer 39

obscure

Question 40

echo-

Answer 40

a repeated sound

Question 41

ultra-

Answer 41

beyond

Question 42

X-ray imaging after injection of contrast into bile ducts.

Answer 42

Cholengiography

Question 43

X-ray image of blood vessels and heart chambers is obtained after contrast is injected through a catheter into appropriate blood vessel or heart chamber.

Answer 43

Angiography

Question 44

X-ray image of contrast-injected blood vessels is produced by taking two x-ray pictures (the first without contrast) and using a computer to subtract obscuring shadows from the second image.

Answer 44

Digital Subtraction Angiography (DSA)

Question 45

X-ray record of the endometrial cavity and fallopian tubes is obtained after injection of contrast material through the vagina and into the endocervical canal.

Answer 45

Hysterosaplingography

Question 46

X-ray imaging of the spinal cord after injection of contrast agent into the subarachnoid space in the spinal cord.

Answer 46

Myleography

Question 47

X-ray imaging of the renal pelvis and the urinary tract.

Answer 47

Pyelography