Ultrasound\

Question 1

amplitude

Answer 1

intensity of an ultrasound wave

Question 2

anechoic

Answer 2

ultrasonic term for when waves are transmitted to deeper tissue and none are reflected back

Question 3

attenuation

Answer 3

loss of intensity of the ultrasound beam as it travels through tissue

Question 4

echoic

Answer 4

ultrasound property of producing adequate levels of reflections (echoes) when sound waves are returned to the transducer and displayed

Question 5

frequency

Answer 5

number of cycles per unit of time; abbreviated f

Question 6

hyperechoic

Answer 6

tissue that reflects more sound back to the transucer than the surrounding tissues; appears bright.

Question 7

isoechoic

Answer 7

tissue that has the same ultrasonic appearance as that of the surrounding tissue

Question 8

resolution

Answer 8

ability to separately identify different structures on radiograph or ultrasound.

Question 9

velocity

Answer 9

speed at which something travels through an object; abbreviated v

Question 10

wavelength

Answer 10

length that a wave must travel in one cycle