Sonography

Question 1

sonography

any sound with a _______ higher than that of audible sound

Answer 1

any sound with a frequency higher than that of ______sound

Question 2

normal range of human hearing

Answer 2

20-20,000 hertz; 20-20,000 cycle per seconds

Question 3

sonographers differ from x-ray tech by:

Answer 3

able to diagnose

Question 4

hertz is a unit of ___

Answer 4

frequency

Question 5

1 hertz = ? or ?

Answer 5

1 oscillation per second / 1 cycle per second

Question 6

ultrasound cycles per second?

Answer 6

720,000 hz/cycles per second

Question 7

MHz / cycle per second in ultrasound

Answer 7

1 to 17 MHz/ 1 to 17 million cycles per second

Question 8

diagnostic medical sonography procedure

Answer 8

very high frequency sound beam transmitted through the body and records an image

Question 9

transducer

Answer 9

any device that converts energy from one form into another

Question 10

ultrasound transducer

converts _____ energy into ____ energy back into electrical energy. The operation of an ultrasound transducer is based on ______ effect ( multiple ones for different exam)

Answer 10

converts electrical energy into sound energy back into electrical energy. The operation of an ultrasound transducer is based on pzioelectric effect ( multiple ones for diffe

Question 11

ultrasound gel

Answer 11

used because all the air must be removed from between the face of the transducer and patients skin

Question 12

2 exams

Answer 12

ultrasound physics

separate exam for different specialties

Question 13

ultrasound year it came out

Answer 13

1976

Question 14

ultrasound effect on fetus

Answer 14

causes hearing loss

Question 15

techs responsibilities to patient

Answer 15

define test so patient understands
explain purpose of test
reassure safety of exam
reassure pregnant woman, it wouldn’t hurt fetus
advise patient of different positions/breathing
inform patient of special prep
provide initial interptation of exam

Question 16

sonography can

• ____,_____,_____ of internal structures
• detect _____,______, ______,______,abnormal collection of _____
• differentiate between _____and _____masses
• outline borders of _____and show displacement of adjacent ____
• scan_____area which can examine several structures at once
• show ____and allow continuous viewing structures

Answer 16

• size,shape, consistency of internal structures
• detect masses, edema, inflammation, stones, abnormal collection of fluid
• differentiate between cystic and solid masses
• outline borders of lesions and show displacement of adjacent tissues
• scan body area which can examine several structures at once
• show motion and allow continuous viewing structures

Question 17

abdomen sonography

• eval(3)
• structures(7)
• doesn’t work on?
• hard see(2)

Answer 17

eval of all soft tissue, blood vessels, and organs of the abdomen

• gallbladder, spleen, pancreas, kidneys, bladder, aorta, and inferior vena cava
• doesn’t work with heavy patients
• spleen and pancreas

Question 18

most common abdomen sonography

Answer 18

gallbladder

Question 19

breast sonography

- used on (2)

Answer 19

frequently used to evaluate breast lumps and other abnormalties that are found with screening or mammography

Question 20

obstetrics/ gynecology sonography

-(2)

Answer 20

evaluation of the developing fetus and the female reproductive system ( spina bifida, hydrocephalic, heart defects)

Question 21

cardiac soniography

• eval (2)
• detect (3)

Answer 21

eval of anatomy and function the heart and related blood vessels. Can detec pericardial effusion, diagnose septial defects and heart value

Question 22

vascular sonography

Answer 22

blood flow through blood vessels

Question 23

neurosonology

Answer 23

brain and spinal chords of infants

Question 24

b-mode

• abbreviation for _____modulation mode
• basis of _____scale
• echoes into bright dots that vary intensity
• 1950-present

Answer 24

• abbreviation for brightness modulation mode
• basis of grey scale
• echoes into bright dots that vary intensity
• 1950-present

Question 25

color-flow doppler

• measure ____ and ____of blood flow in vessels
• velocity changes seen in different_____

Answer 25

• measure velocity and direction of blood flow in vessels

- velocity changes seen in different colors

Question 26

Doppler ultrasound

• detects ____ and _____shifts of a moving structure or medium, used for blood flow studies of body
• 1980’s
• depicts blood flow in various colors to indicate ____and ____

Answer 26

• detects frequency and velocity shifts of a moving structure or medium, used for blood flow studies of body
• 1980’s
• depicts blood flow in various colors to indicate speed and direction

Question 27

echo

- measurement of

Answer 27

measurement of the intensity of acoustic energy received from anatomic structures

Question 28

gray scale

Answer 28

display of various levels of echo brightness or intensity represented in shades of gray

Question 29

real time imaging

Answer 29

demonstrate dynamic motion or changes within a structure in real time
1970

Question 30

digital system

Answer 30

convert ultrasound image to a digital image to a digital format for processing, manipulation, viewing, and storage
- image can be transmitted to remote sites as can all digital type image

Question 31

RDMS

Answer 31

registered diagnostic medical sonographer

Question 32

RDCS

Answer 32

registered diagnostic cardiac sonographer

Question 33

RVT

Answer 33

Registered vascular technologist

Question 34

RPVI

Answer 34

Registered Physician in Vascular Interpretation

Question 35

Ultrasound doesn’t work on 4

Answer 35

Bones
Air filled organs
Obese patients
Surgical scars