Key Terms Module 1

Question 1

Sonography

Answer 1

the profession but also used to identify the actual procedure/scan/exam that is done using medical ultrasound technology

Question 2

Medical ultrasound

Answer 2

the technology used by monographers to acquire, analyze, and optimize information in sonographic images

Question 3

Parse

Answer 3

to examine in a minute way

Question 4

Artifact

Answer 4

Something observed in an experiment that is a result of the procedure, rather than there naturally

Question 5

Abscess

Answer 5

a tender, fluid filled pocket that forms in tissue, usually due to infection

Question 6

Acute

Answer 6

signifies a condition that begins abruptly and is sometimes severe

Question 7

Benign

Answer 7

non-cancerous

Question 8

Biopsy

Answer 8

a small tissue sample taken for testing

Question 9

Bradycardia

Answer 9

low/slow heart rate

Question 10

Chronic

Answer 10

signifies a recurring, persistent condition

Question 11

Contusion

Answer 11

bruise

Question 12

Defibrillator

Answer 12

medical device that uses electrical shocks to restore normal heart rate

Question 13

Diastolic

Answer 13

measure of the pressure in the arteries between beats

Question 14

Systolic

Answer 14

measure of the pressure in the arteries when the heart beats

Question 15

Edema

Answer 15

swelling caused by fluid accumulation

Question 16

Embolism

Answer 16

arterial blockage often caused by a blood clot

Question 17

Hypertension

Answer 17

high blood pressure

Question 18

Hypotension

Answer 18

low blood pressure

Question 19

Intravenous

Answer 19

medication/fluid delivered by vein

Question 20

Malignant

Answer 20

indicates the presence of cancerous cells

Question 21

prognosis

Answer 21

predicted diagnosis

Question 22

Relapse

Answer 22

return of a disease or symptoms after a patient has recovered

Question 23

Tachycardia

Answer 23

rapid-fast heart rate

Question 24

Transplant

Answer 24

removal of an organ or tissue from one body that is implanted into another

Question 25

Echogenicity

Answer 25

the ability of a structure or tissue to return reflected ultrasound waves

Question 26

Anechoic

Answer 26

without returning echos

Question 27

how does an anechoic substance appear in an image?

Answer 27

completely black

Question 28

Hyperechoic

Answer 28

reflects more echos than surrounding area

Question 29

how does a hyperechoic substance appear in an image?

Answer 29

as a lighter shade of grey or white in an image

Question 30

Hypoechoic

Answer 30

reflects fewer echos than surrounding area

Question 31

how does a hypoechoic substance appear in an image?

Answer 31

dark grey to black

Question 32

Isoechoic

Answer 32

the same shade of grey as the surrounding tissue of reference

Question 33

Heterogenous

Answer 33

non uniform shades of grey

Question 34

Homogenous

Answer 34

uniform shades of grey

Question 35

Edge shadow artifact

Answer 35

dark band along edge of a curved structure

Question 36

Posterior acoustic shadowing

Answer 36

signal void behind a very dense object

Question 37

Reverberation artifact

Answer 37

ultrasound waves bounce repeatedly between two highly reflective surfaces, making them seem deeper than they actually are

Question 38

Acoustic

Answer 38

relating to sound

Question 39

Enhancement

Answer 39

increase/improvement in quality, value, or extent

Question 40

Shadow/Shadowing

Answer 40

dark area where light rays are blocked