Module 20: Radiology and Nuclear Medicine

Question 1

with regard to patient positioning, the abbreviation debut stands for

Answer 1

lying down

Question 2

-lucent

Answer 2

to shine

Question 3

tom/o

Answer 3

to cut

Question 4

_____ substances are those that absorb most of the x-rays they are exposed to

Answer 4

radiopaque

Question 5

a _____ gram is a record obtained by using sound waves to create an image of body organs

Answer 5

sono

Question 6

x-ray imaging of the renal pelvis and urinary tract is called

Answer 6

pyelography

Question 7

the ability of x-rays to cause disruption and rearrangement within a substance that previously neutral particles become charged particles is called

Answer 7

ionization

Question 8

interventional radiologist perform invasive diagnostic and therapeutic procedures usually under ______ guidance

Answer 8

computed tomography

Question 9

a monitoring device designed to detect and record the amount of radiation exposure is called a

Answer 9

film badge

Question 10

what x-ray characteristic permits x-ray beams to be directed accurately at a tissue site?

Answer 10

they travel in straight line

Question 11

what procedure cannot be used with pacemakers or metallic implants?

Answer 11

MRI

Question 12

what ultrasound imaging procedure allows for visualization of blood flow in moving structures?

Answer 12

doppler studies

Question 13

what procedure detects blood flow in the brain?

Answer 13

functional MRI

Question 14

what procedure detects blood flow in the brain?

Answer 14

functional MRI

Question 15

an in ____ test traces the amount of radioactive substances inside a living organism

Answer 15

vitro

Question 16

a synonym for radionuclide is

Answer 16

radioisotope

Question 17

what kind of radioactivity emitted by radionuclides has the greatest penetrating ability and the most ionizing power?

Answer 17

gamma rays

Question 18

what diagnostic study uses a injected radioactive tracer and a computer to create a three-dimensional image based on a composite of many views

Answer 18

single-photon emission computed tomography

Question 19

the rate of absorption of a radionuclide into an organ or tissue is termed

Answer 19

uptake

Question 20

a _____ is an in vitro procedure that combines radioactive chemicals and antibodies to detect certain proteins (such as hormones and drugs) in the blood

Answer 20

radioimmunoassay

Question 21

in _____, radiopharmaceutical is inhaled to obtain a lung scan

Answer 21

ventilation studies

Question 22

______ is most commonly used radionuclide in diagnostic imaging, and it is often used in myocardial perfusion imaging studies

Answer 22

technetium-99m

Question 23

radioactive isotopes injected for detection by a gamma camera are

Answer 23

radio tracers

Question 24

in a thallium scan, the radioactive isotope is injected intravenously to observe its absorption by

Answer 24

cardiac muscle

Question 25

this scan is used to detect the motion of the heart wall muscle

Answer 25

multiple-gated acquisition scan

Question 26

a ______- is a device that detects gamma rays emitted from radiopharmaceuticals

Answer 26

gamma camera

Question 27

attaching a radionuclide to a chemical and following its path in the body is called

Answer 27

tracking

Question 28

attaching a radionuclide to a chemical and following its path in the body is called

Answer 28

tracking

Question 29

in ____ test is one in which something is measured or performed in a laboratory, often a test tube

Answer 29

vitro

Question 30

radiopharmaceutical drugs can be used to generate an image by mapping their distribution and rate of absorption in the body because they emit

Answer 30

gamma rays

Question 31

during an ultrasound imaging study, the patient lies on a table while the monographer puts the ____ on or near the skin

Answer 31

transducer

Question 32

______ is the contrast agent used for a lower GI series, administered with an enema

Answer 32

barium

Question 33

what contrast medium is usually injected into a vein or body part or space to assist in x-ray visualization of the body part, organ, or space?

Answer 33

iodine compound

Question 34

in ______, a radiopharmaceutical is given intravenously to obtain a lung scan

Answer 34

perfusion studies

Question 35

lengthening or straightening a limb is called

Answer 35

extension

Question 36

the medical term for lying face down

Answer 36

prone

Question 37

moving the body part away from the body of the midline is called

Answer 37

abduction

Question 38

turning a body part outward is called

Answer 38

eversion

Question 39

the medical term for lying-in the back

Answer 39

supine

Question 40

moving the body part toward the body or midline is called

Answer 40

adduction