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Ultrasound Physics 1 > Chapter 1 > Flashcards

Chapter 1 Flashcards

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1
Q

What is the vertical axis of a graph?

A

Y-axis

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2
Q

What is the name of the horizontal axis of a graph called?

A

X-axis

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3
Q

What is the reciprocal of 1,000?

A

1/1000 or 0.001

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4
Q

What is the reciprocal of 5?

A

1/5 or 0.2

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5
Q

What is the reciprocal of 1/10?

A

10

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6
Q

A sack contains 6 pounds of flour. The contents of the bag are increased by a factor of 5. How much flour is in the bag? EXPLAIN YOUR REASONING BEHIND YOUR ANSWER.

A

Increased by a factor means multiply. 6X5=30

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7
Q

A bouquet has 30 flowers. The size of the bouquet is decreased by a factor of 3. How many flowers remain? EXPLAIN YOUR REASONING BEHIND YOUR ANSWER

A

Decreased by a factor means divide. 30/3=10

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8
Q

Which of the following is not a measure of area?
A. Square cm
B. Meters squared
C. Cubic meters
D. Feet x feet

A

Cubic meters

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9
Q

A sonographer measures the perimeter of an anatomical structure. Which of the following choices is a reasonable value for the measurement?
A. 6cm^2
B. 5cc
C. 15 mm
D. 18 dB

A

15mm

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10
Q

What are the units associated with the circumference of a circle?
A. mm
B. mm^2
C. cm^3
D. m^4

A

mm

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11
Q

The volume of a cystic structure is estimated from Sonographic data. Which of the following is an acceptable measurement of this volume?
A. 6
B. 6 cm
C. 6 cm^2
D. 6 cm^3

A

6 cm^2

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12
Q

How Much bigger is 1 billion than 1000?

A

1,000,000

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13
Q

Select the sequence that appears in increasing order?
A. Mega, kilo, hector, milli, giga
B. Nano, milli, micro, deci, deca, mega
C. Centi, deci, deca, hector
D. Milli, hector, centi, deci, nano, giga

A

C. Centi, deci, deca, hector

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14
Q

How many nanoseconds are in 7 seconds?

A

7,000,000,000

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15
Q

The letters below represent the abbreviations for the prefixes of the metric system. Select the sequence that appears in decreasing order.
A. m, k, M, g, da
B. g, m, k, d, u
C. g, k, di, m, u, n
D. M, k, da, d, c

A

D. M, k, da, d, c

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16
Q

What is the meaning of Mega?

A

Million

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17
Q

What is the definition of hecto?

A

Hundred

18
Q

What is the definition of milli

A

Thousandth

19
Q

What is the definition of kilo

A

Thousand

20
Q

What is the definition of nano?

A

Billionth

21
Q

What is the definition of giga?

A

Billion

22
Q

Which term is the reciprocal of mega?
A. Nano
B. Kilo
C. Macro
D. Micro

A

A. Nano

23
Q

Which term is the reciprocal of milli?

A

D. Micro

24
Q

How are scores on the ultrasound registry exams related to study time?
A. Inversely
B. Conversely
C. Directly
D. Unrelated

A

C. Directly

25
Q

How are caloric intake and weight related?
A. Inversely
B. Partially
C. Reciprocally
D. Directly

A

A. Inversely

26
Q

How are size of a tree and its age related?
A. Inversely
B. Directly
C. Unrelated

A

B. Directly

27
Q

How are the height of a person and the color of his automobile related?
A. Inversely
B. Directly
C. Unrelated

A

C. Unrelated

28
Q

How is the age of a loaf of bread related to its freshness?
A. Inversely
B. Directly
C. Unrelated

A

A. Inversely

29
Q

Which of the following is an appropriate unit for area?
A. Seconds
B. Yards
C. Inches
D. Cm^3
E. Square yards

A

E. Square yards

30
Q

Which if the following is NOT an appropriate unit for volume?
A. Cubic miles
B. Gallons
C. Cm
D. Cm^3
E. Pint

A

C. Cm

31
Q

All of the following are measure of length EXCEPT?
A. Mile
B. Inch
C. mm
D. Second
E. km

A

D. Second

32
Q

How many milliliters are in 8 liters?
A. 1/8
B. 8
C. 80
D. 800
E. 8000

A

E.8000

33
Q

How many centimeters are in 3 meters?
A. 1/300
B. 1/3
C. 3
D. 300
E. 3000

A

D. 300

34
Q

How many kilometers are in 3000 meters?
A. 1/300
B. 1/3
C. 3
D. 300
E. 3000

A

C. 3

35
Q

What is the reciprocal of 100?
A. 0.1
B. 100
C. 0.2
D. 0.01
E. 1/50

A

D. 1/100 or 0.01

36
Q

What is the reciprocal of 1/8?
A. 80
B. 10
C. 1
D. 8
E. 72

A

D. 8

37
Q

How many hertz is 3 MHz?
A. 3,000,000
B. 3,000
C. 333
D. 0.003

A

A. 3,000,000

38
Q

How many milliliters are contained in a jar filled with 5 liters of fluid?
A. 5
B. 5,000
C. 500
D. 0.005

A

B. 5,000

39
Q

How many liters are contained in 80 ml of fluid?
A. 8
B. 80
C. 0.008
D. 0.080

A

D. 0.080

40
Q

How much bigger is a thousand than ten?
A. 10 times
B. 100 times
C. 1000 times
D. 500 times

A

B. 100 times

41
Q

How much bigger is a billion than a million?
A. 10 times
B. 100 times
C. 1000 times
D. 500 times

A

C. 1000 times

42
Q

How much smaller is a hundred than a thousand?
A. 1/10 times
B. 1/100 times
C. 1/1000 times
D. 1/10000 times

A

A. 1/10 times

Ultrasound Physics 1 (6 decks)

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