Chapter 1

Question 1

Define Sonography

Answer 1

“to write with ultrasound”

Question 2

What are the three planes of the body?

Answer 2

Saggital, Transverse, Coronal

Question 3

Formula for Circumference

Answer 3

2(pi)r

Question 4

Formula for circle area

Answer 4

(pi)r^2

Question 5

Formula for sphere volume

Answer 5

(4/3)(pi)r^3

Question 6

Reciprocal of Giga (10^9)

Answer 6

nano (10^-9)

Question 7

Reciprocal of Mega (10^6)

Answer 7

micro (10^-6)

Question 8

Reciprocal of Kilo (10^3)

Answer 8

milli (10^-3)

Question 9

What is the definition of Sound?

Answer 9

Mechanical energy transmitted by longitudinal pressure waves in a material medium

Question 10

What are the three Acoustic Variables?

Answer 10

Distance (particle Motion), Pressure (F/A), Density(mass/V)

Question 11

What is the reciprocal of 30?

Answer 11

1/30

Question 12

What is the reciprocal of 1/8?

Answer 12

8

Question 13

How many hertz is 5 MHz?

Answer 13

5,000,000

Question 14

In Long view, which side of the screen should the head be on?

Answer 14

the left

Question 15

In transverse view, the patient’s right side should ALWAYS be on what side of the screen?

Answer 15

the left

Question 16

What vibrates to create a sound wave in medical ultrasound?

Answer 16

Piezoelectric Crystals