Chap 20, Terminology, Radiology and Nuclear Medicine

Question 1

is/o

Answer 1

same

Question 2

radioisotope (radionuclide)

Answer 2

A radioactive form of an element. Top/o means place; isotopes of an element have similar structures but different weights and stability. A radioisotope (radionuclide) is an unstable form of an element that emits radioactivity.

Question 3

pharmaceut/o

Answer 3

drug

Question 4

radiopharmaceutical

Answer 4

Radioactive drug (radionuclide plus a drug) that is administered safely for diagnostic and therapeutic purposes. In this term, radi/o stands for radioactive.

Question 5

radi/o

Answer 5

x-rays

Question 6

radiographer

Answer 6

One who assists a radiologist in performing diagnostic x-ray procedures.

Question 7

radiology

Answer 7

Study of x-ray and other energy sources in the diagnosis of disease.

Question 8

son/o

Answer 8

sound

Question 9

hysterosonogram

Answer 9

Record of sound waves within the uterus (after injection of saline solution through a catheter inserted into the vagina and cervical canal to the uterus to distend the uterine cavity, which is then examined by ultrasound imaging.

Question 10

therapeut/o

Answer 10

treatment or therapy

Question 11

therapeutic

Answer 11

Pertaining to treatment or therapy.

Question 12

vitr/o

Answer 12

glass

Question 13

in vitro

Answer 13

Experiments performed in a test tube (glass); outside of a living organism.

Question 14

viv/o

Answer 14

life

Question 15

in vivo

Answer 15

Experiments performed within a living organism.

Question 16

roentgen/o

Answer 16

x-rays

Question 17

Roentgen

Answer 17

The international unit of x- or γ-radiation; it is the quantity of x- or γ-radiation such that the associated corpuscular emission per 0.001293 g of dry air produces in air ions carrying 1 electrostatic unit of electrical charge of either sign. Symbol R.

Question 18

-gram

Answer 18

record

Question 19

angiogram

Answer 19

Record (x-ray) of blood vessels.

Question 20

hysterosalpingogram

Answer 20

Record (x-ray) of the uterus and fallopian tubes.

Question 21

pyelogram

Answer 21

Record (x-ray) of the renal pelvis of the kidney.

Question 22

-graphy

Answer 22

process of recording

Question 23

computed tomography

Answer 23

Process of recording x-ray images of the body in a cross-sectional view; a computer is used and images taken all around a section of the body. Tom/o means to cut, as in viewing in slices.

Question 24

-lucent

Answer 24

to shine

Question 25

radiolucent

Answer 25

Permitting the passage of x-rays (rays shine through). Radiolucent (indicating that x-rays pass through easily) areas on x-ray images appear dark.

Question 26

-opaque

Answer 26

obscure

Question 27

radiopaque

Answer 27

Obscuring or obstructing the passage of x-rays. Radiopaque (indicating that x-rays do not penetrate) areas on x-ray images appear white/light.

Question 28

echo-

Answer 28

a repeated sound

Question 29

echocardiography

Answer 29

Process of recording sound waves (echoes) as they bounce off the heart; a picture is produced ahat shows the sound waves as they are reflected from tissues of different densities.

Question 30

ultra-

Answer 30

beyond

Question 31

ultrasonography

Answer 31

Process of using ultrasound waves in the body to produce sound echoes that are recorded as an image. Sound waves are beyond the normal range of those that a human can hear.

Question 32

ion/o

Answer 32

ion; to wander

Question 33

myel/o

Answer 33

spinal cord; bone marrow