Introduction

Question 1

What is the range of frequency in ultrasound?

Answer 1

Anything greater than 20kHz

(1-20mHz)

Question 2

What year was the first application of ultrasound to medical diagnosis?

Answer 2

1940

Question 3

What year was the first real time scanner manufactured?

Answer 3

1965

Question 4

What is the sagittal plane?

Answer 4

Long axis that divides body into R/L parts

Question 5

What is the coronal plane?

Answer 5

Long axis that divides body into anterior/posterior parts

Question 6

What is the transverse plane?

Answer 6

Short axis that divides body into superior/inferior parts

Question 7

What is ipsilateral and contralateral?

Answer 7

Ipsilateral = located same side of body
Contralateral = located on opposite sides of body

Question 8

What is superficial and deep?

Answer 8

Superficial = toward body surface, external
Deep = away body surface, internal

Question 9

Define what a cyst looks like?

Answer 9

-Anechoic
-Well defined walls
-Posterior enhancement
-Reverberation artifact near the wall
-Edge shadowing

Question 10

Define what a solid mass looks like?

Answer 10

-Irregular walls
-Posterior shadowing
-Varied echogenicities
-Homogeneous/heterogeneous

Question 11

Define what a complex mass looks like?

Answer 11

Both anechoic and echogenic areas from both cystic and solid tissues

Question 12

Diagnostic ultrasounds use frequencies of?

Answer 12

1-20 MHz

Question 13

When was the first 3D imaging?

Answer 13

1991

Question 14

What does decubitus mean?

Answer 14

Lying down