Ch 1. Ultrasound Physics Basics

Question 1

The horizontal axis of a graph that reports time.

Answer 1

X-axis

Question 2

The vertical axis of a graph that reports velocity.

Answer 2

Y-axis

Question 3

Two items are not associated with each other.
ex: hair color is _____ to shoe size.

Answer 3

Unrelated

Question 4

Items that have an association , however the association does not have to be specified.
ex: Exam scores are ____ to studying

Answer 4

Related

Question 5

Items that are associated, when one goes up the other does as well or when one goes down the other goes down as well.
Ex: the size of ones foot is ________ to their shoe size.

Answer 5

Directly related/ directly proportional

Question 6

When one item increases, the other decreases.
Ex: As frequency of sound increases, the period will decrease.

Answer 6

Inversely related/ inversely proportional

Question 7

When two items are multiplied together, their sum is equal to 1.
ex: Period and frequency are…
ex2: 5 and 1/5 are…

Answer 7

Reciprocal relationship

Question 8

Properties assigned to numerical values to specify related measurements.

Answer 8

Units

Question 9

Unit for time.

Answer 9

seconds (sec)

Question 10

Unit for distance

Answer 10

cm, ft, in

Question 11

unit for weight

Answer 11

oz, lbs, mg

Question 12

True or false:
Percents are units

Answer 12

False
they are not and considered unitless

Question 13

Units of length

Answer 13

mm or cm

Question 14

Units of area

Answer 14

cm^2

Question 15

Units of volume

Answer 15

cm^3

Question 16

Converts large numbers to shorthand, easier to manage.
Ex: 10^-6 is 0.000001
10^3 is 10,000

Answer 16

Scientific notation

Question 17

When the exponent is positive in a scientific notation, you move the decimal to the ….

Answer 17

Right

Question 18

When the exponent is negative in a scientifc notation, you move the decimal to the…

Answer 18

Left

Question 19

What is the symbol for giga

Answer 19

G

Question 20

What is the meaning for giga (G)?

Answer 20

Billion

Question 21

What is the prefix for this exponent:
10^9

Answer 21

giga

Question 22

What is the symbol for Mega?

Answer 22

M

Question 23

What is the meaning for mega (M)?

Answer 23

Million

Question 24

What is the prefix for this exponent:
10^6

Answer 24

mega

Question 25

What is the symbol for kilo?

Answer 25

k

Question 26

What is the meaning for kilo (k)?

Answer 26

Thousand

Question 27

What is the prefix for this exponent:
10^3

Answer 27

kilo

Question 28

What is the symbol for hecto?

Answer 28

h

Question 29

What is the meanig for hecto (h)?

Answer 29

Hundred

Question 30

what is the prefix for this exponent:
10^2

Answer 30

hecto

Question 31

What is the symbol for deca?

Answer 31

da

Question 32

What is the meaning for deca (da)?

Answer 32

Ten

Question 33

What is the prefix for this exponent:
10^1

Answer 33

deca

Question 34

What is the symbol for deci?

Answer 34

d

Question 35

What is the meaning for deci (d)?

Answer 35

Tenth

Question 36

What is the prefix for this exponent:
10^-1

Answer 36

deci

Question 37

What is the symbol for centi?

Answer 37

c

Question 38

What is the meaning for centi (c)?

Answer 38

Hundredth

Question 39

What is the prefix for this exponent:
10^-2

Answer 39

centi

Question 40

What is the symbol for milli?

Answer 40

m

Question 41

What is the meaning for milli (m)?

Answer 41

Thousandth

Question 42

What is the prefix for this exponent:
10^-3

Answer 42

milli

Question 43

What is the symbol for micro?

Answer 43

µ

Question 44

What is the meaning for micro (µ)?

Answer 44

Millionth

Question 45

What is the prefix for this exponent:
10^-6

Answer 45

micro

Question 46

What is the symbol for nano?

Answer 46

n

Question 47

What is the meaning for nano (n)?

Answer 47

Billionth

Question 48

What is the prefix for this exponent:
10^-9

Answer 48

nano