day 1

Question 1

form of energy which causes vibration of molecules within a medium

Answer 1

sound

Question 2

in order for sound to be transmitted, sound requires a ________ containing ____

Answer 2

medium containing molecules

Question 3

2 types of UTZ waves

Answer 3

1. longitudinal or compression waves
2. transverse or shear waves

Question 4

frequency of ultrasound

Answer 4

Above 20,000 Hz or Above 20 kHz​

Question 5

Range of the ff:

• Diagnostic
• Therapeutic
• Surgery
• Industrial
• Military

Answer 5

• Diagnostic (1 – 10 MHz)
• Therapeutic (0.7 – 1.0 MHz)
• Surgery (1 -5 MHz)
• Industrial (25 – 400 kHz)
• Military (20 – 50 kHz)

Question 6

application of ultrasound

Answer 6

• Diagnostic
• Therapeutic
• Surgery
• Industrial
• Military

Question 7

frequency of Audible Sound​

Answer 7

16 Hz to 20,000 Hz or 16 Hz to 20 kHz​

Question 8

(audible sound) speed in m/sec

• air
• water
• solid

Answer 8

• air (331)
• water (1532)
• solid (5200)

Question 9

medium of audible sound

Answer 9

• air
• water
• solid

Question 10

frequency of infra sound

Answer 10

below 16 Hz

Question 11

application of infra sound

Answer 11

earthquakes

Question 12

phase of wave when the molecules are pushed together is called _____ and when apart is _______

Answer 12

compression / rarefaction

Question 13

sonography from the latin and greek word

Answer 13

(latin) sonus - sound
(greek) graphein - to write

Question 14

is sound that is higher in pitch than the range of human hearing

Answer 14

ultrasound

Question 15

Ultrasound imaging is not a passive push-button activity; rather, it is an interactive process that involves a _________ (5 answers)

Answer 15

sonographer

a patient

an ultrasound transducer

an instrument

a sonologist​

Question 16

Medical imaging with ultrasound is called ______

Answer 16

sonography

Question 17

_______ is a reproduction, representation, or imitation of the physical form ​of a person or object

Answer 17

image

Question 18

image is from the latin term for ____

Answer 18

imitate

Question 19

_______ provides a noninvasive way of looking inside the human body to image otherwise hidden anatomy. ​

Answer 19

ultrasound

Question 20

______ generates the ultrasound pulses and receives the returning echoes.

Answer 20

transducer

Question 20

Anatomic imaging with ultrasound is accomplished with a _________

Answer 20

pulse-echo technique