Edelman Understanding Ultrasound
Physics Exam Review
How are caloric intake and weight related?
a. Inversely
b. Partially
c. Reciprocally
d. Directly - CORRECT ANSWER-Directly
How is weight related to a sonographer's time spent exercising?
a. Inversely
b. Conversely
c. Directly
d. Unrelated - CORRECT ANSWER-Inversely
What is the reciprocal of 1,000?
a. One-hundredth
b. 1,000
c. 0.001
d. One-millionth - CORRECT ANSWER-0.001
What is the reciprocal of 5?
a. One-hundredth
b. 5
c. 1/5
d. One-millionth - CORRECT ANSWER-1/5
What is the reciprocal of 1/10?
a. One-hundredth
b. 10
c. 1/10
d. One-millionth - CORRECT ANSWER-10
What is the vertical axis of a graph called?
a. z-axis
b. x-axis
c. y-axis
d. time-axis - CORRECT ANSWER-y-axis
,What is the name of the horizontal axis of a graph?
a. z-axis
b. x-axis
c. y-axis
d. red axis - CORRECT ANSWER-x-axis
How are scores on the ultrasound board exams related to study time?
a. Inversely
b. Conversely
c. Directly
d. Unrelated - CORRECT ANSWER-Directly
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?
a. 6 pounds
b. 11 pounds
c. 60 pounds
d. 30 pounds - CORRECT ANSWER-30 pounds
A bouquet has 30 flowers. The size of the bouquet is decreased by a factor of 3. How
many flowers remain?
a. 27
b. 0
c. 10
d. 15 - CORRECT ANSWER-10
Which of the following is not a measure of area?
a. Square cm
b. Meters squared
c. Cubic meters
d. Feet x feet - CORRECT ANSWER-Cubic meters
A sonographer measures the perimeter of an anatomical structure. Which of the
following choices is a reasonable value for the measurement?
a. 6 cm^2
b. 5 cc
c. 15 mm
d. 18 dB - CORRECT ANSWER-15 mm
What are the units associated with the circumference of a circle?
a. mm
b. mm^2
c. cm^3
d. m^4 - CORRECT ANSWER-mm
,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 - CORRECT ANSWER-6 cm^3
The speed of red blood cells traveling through a blood vessel is 750 cm/sec. You are
asked to measure this speed in miles per hour. What information would be sufficient for
you to complete your task?
a. How many seconds in a minute and how many blood cells in the vessel
b. The number of miles in a meter
c. How many seconds per hour and the number of miles in a centimeter
d. The direction of red blood cell motion and the Doppler shift frequency - CORRECT
ANSWER-How many seconds per hour and the number of miles in a centimeter
How much bigger is one billion than one thousand?
a. 1,000 times
b. 1,000,000 times
c. 10 times
d. 10,000 times - CORRECT ANSWER-1,000,000 times
Select the sequence that appears in increasing order.
a. Mega, kilo, hecto, milli, giga
b. Nano, milli, micro, deci, deca, mega
c. Centi, deci, deca, hecto
d. Milli, hecto, centi, deci, nano, giga - CORRECT ANSWER-Centi, deci, deca, hecto
How many nanoseconds are in 7 seconds?
a. 7,000,000
b. 7,000,000,000
c. 7 million
d. 0.00000007 - CORRECT ANSWER-7,000,000,000
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, micro
c. g, k, di, m, micro, n
d. M, k, da, d, c - CORRECT ANSWER-M, k, da, d, c
Match the following prefixes with their meanings.
a. Mega 1. Hundreds
b. Hecto 2. Thousands
c. Milli. 3. Thousandths
d. Kilo. 4. Millions
, e. Nano 5. Billions
f. Giga 6. Billionths - CORRECT ANSWER-a. 4
b. 1
c. 3
d. 2
e. 6
f. 5
Which term is the reciprocal of mega?
a. Nano
b. Kilo
c. Macro
d. Micro - CORRECT ANSWER-Micro
How can the volume of an irregularly shaped object be measured most accurately?
a. By visual inspection
b. By its weight
c. By immersing it in water
d. By ultrasound scanning - CORRECT ANSWER-By immersing it in water
What term is used to describe the effects of an ultrasound wave on living tissues?
a. Toxic effect
b. Acoustic propagation properties
c. Biological effects
d. Transmission properties - CORRECT ANSWER-Biological effects
As sound travels through a medium, what term describes the effects of the medium on
the sound wave?
a. Toxic effects
b. Acoustic propagation properties
c. Bioeffects
d. Transmission properties - CORRECT ANSWER-Acoustic propagation properties
Which of the following is true of all waves?
a. They travel through a medium
b. All carry energy from one site to another
c. Their amplitudes do not change
d. They travel in a straight line - CORRECT ANSWER-All carry energy from one site to
another
Which of the following types of waves do not require a medium in order to propagate?
a. Light
b. Heat
c. Sound
d. Television - CORRECT ANSWER-Light, heat and television
Physics Exam Review
How are caloric intake and weight related?
a. Inversely
b. Partially
c. Reciprocally
d. Directly - CORRECT ANSWER-Directly
How is weight related to a sonographer's time spent exercising?
a. Inversely
b. Conversely
c. Directly
d. Unrelated - CORRECT ANSWER-Inversely
What is the reciprocal of 1,000?
a. One-hundredth
b. 1,000
c. 0.001
d. One-millionth - CORRECT ANSWER-0.001
What is the reciprocal of 5?
a. One-hundredth
b. 5
c. 1/5
d. One-millionth - CORRECT ANSWER-1/5
What is the reciprocal of 1/10?
a. One-hundredth
b. 10
c. 1/10
d. One-millionth - CORRECT ANSWER-10
What is the vertical axis of a graph called?
a. z-axis
b. x-axis
c. y-axis
d. time-axis - CORRECT ANSWER-y-axis
,What is the name of the horizontal axis of a graph?
a. z-axis
b. x-axis
c. y-axis
d. red axis - CORRECT ANSWER-x-axis
How are scores on the ultrasound board exams related to study time?
a. Inversely
b. Conversely
c. Directly
d. Unrelated - CORRECT ANSWER-Directly
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?
a. 6 pounds
b. 11 pounds
c. 60 pounds
d. 30 pounds - CORRECT ANSWER-30 pounds
A bouquet has 30 flowers. The size of the bouquet is decreased by a factor of 3. How
many flowers remain?
a. 27
b. 0
c. 10
d. 15 - CORRECT ANSWER-10
Which of the following is not a measure of area?
a. Square cm
b. Meters squared
c. Cubic meters
d. Feet x feet - CORRECT ANSWER-Cubic meters
A sonographer measures the perimeter of an anatomical structure. Which of the
following choices is a reasonable value for the measurement?
a. 6 cm^2
b. 5 cc
c. 15 mm
d. 18 dB - CORRECT ANSWER-15 mm
What are the units associated with the circumference of a circle?
a. mm
b. mm^2
c. cm^3
d. m^4 - CORRECT ANSWER-mm
,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 - CORRECT ANSWER-6 cm^3
The speed of red blood cells traveling through a blood vessel is 750 cm/sec. You are
asked to measure this speed in miles per hour. What information would be sufficient for
you to complete your task?
a. How many seconds in a minute and how many blood cells in the vessel
b. The number of miles in a meter
c. How many seconds per hour and the number of miles in a centimeter
d. The direction of red blood cell motion and the Doppler shift frequency - CORRECT
ANSWER-How many seconds per hour and the number of miles in a centimeter
How much bigger is one billion than one thousand?
a. 1,000 times
b. 1,000,000 times
c. 10 times
d. 10,000 times - CORRECT ANSWER-1,000,000 times
Select the sequence that appears in increasing order.
a. Mega, kilo, hecto, milli, giga
b. Nano, milli, micro, deci, deca, mega
c. Centi, deci, deca, hecto
d. Milli, hecto, centi, deci, nano, giga - CORRECT ANSWER-Centi, deci, deca, hecto
How many nanoseconds are in 7 seconds?
a. 7,000,000
b. 7,000,000,000
c. 7 million
d. 0.00000007 - CORRECT ANSWER-7,000,000,000
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, micro
c. g, k, di, m, micro, n
d. M, k, da, d, c - CORRECT ANSWER-M, k, da, d, c
Match the following prefixes with their meanings.
a. Mega 1. Hundreds
b. Hecto 2. Thousands
c. Milli. 3. Thousandths
d. Kilo. 4. Millions
, e. Nano 5. Billions
f. Giga 6. Billionths - CORRECT ANSWER-a. 4
b. 1
c. 3
d. 2
e. 6
f. 5
Which term is the reciprocal of mega?
a. Nano
b. Kilo
c. Macro
d. Micro - CORRECT ANSWER-Micro
How can the volume of an irregularly shaped object be measured most accurately?
a. By visual inspection
b. By its weight
c. By immersing it in water
d. By ultrasound scanning - CORRECT ANSWER-By immersing it in water
What term is used to describe the effects of an ultrasound wave on living tissues?
a. Toxic effect
b. Acoustic propagation properties
c. Biological effects
d. Transmission properties - CORRECT ANSWER-Biological effects
As sound travels through a medium, what term describes the effects of the medium on
the sound wave?
a. Toxic effects
b. Acoustic propagation properties
c. Bioeffects
d. Transmission properties - CORRECT ANSWER-Acoustic propagation properties
Which of the following is true of all waves?
a. They travel through a medium
b. All carry energy from one site to another
c. Their amplitudes do not change
d. They travel in a straight line - CORRECT ANSWER-All carry energy from one site to
another
Which of the following types of waves do not require a medium in order to propagate?
a. Light
b. Heat
c. Sound
d. Television - CORRECT ANSWER-Light, heat and television
