Edelman Understanding Ultrasound Physics
Exam Review Questions with Detailed
Solutions
What is the vertical axis of a graph called?
a. z-axis
b. x-axis
c. y-axis
d. time-axis - -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 - -x-axis
- How are scores on the ultrasound board exams related to study time?
a. Inversely
b. Conversely
c. Directly
d. Unrelated - -Directly
- How are caloric intake and weight related?
a. Inversely
b. Partially
c. Reciprocally
d. Directly - -Directly
- How is weight related to a sonographer's time spent exercising?
a. Inversely
b. Conversely
c. Directly
d. Unrelated - -Inversely
- What is the reciprocal of 1,000?
a. One-hundredth
b. 1,000
c. 0.001
d. One-millionth - -0.001
- What is the reciprocal of 5?
a. One-hundredth
b. 5
c. 1/5
,d. One-millionth - -1/5
- What is the reciprocal of 1/10?
a. One-hundredth
b. 10
c. 1/10
d. One-millionth - -10
- 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 - -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 - -10
- Which of the following is not a measure of area?
a. Square cm
b. Meters squared
c. Cubic meters
d. Feet x feet - -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 - -15 mm
- What are the units associated with the circumference of a circle?
a. mm
b. mm^2
c. cm^3
d. m^4 - -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 - -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 - -
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 - -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 - -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 - -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 - -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 - -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 - -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 - -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 - -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 - -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 - -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 - -Light, heat and television
- Which of the following describes the characteristics of a sound wave?
a. Longitudinal, non-mechanical
b. Mechanical, transverse
Exam Review Questions with Detailed
Solutions
What is the vertical axis of a graph called?
a. z-axis
b. x-axis
c. y-axis
d. time-axis - -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 - -x-axis
- How are scores on the ultrasound board exams related to study time?
a. Inversely
b. Conversely
c. Directly
d. Unrelated - -Directly
- How are caloric intake and weight related?
a. Inversely
b. Partially
c. Reciprocally
d. Directly - -Directly
- How is weight related to a sonographer's time spent exercising?
a. Inversely
b. Conversely
c. Directly
d. Unrelated - -Inversely
- What is the reciprocal of 1,000?
a. One-hundredth
b. 1,000
c. 0.001
d. One-millionth - -0.001
- What is the reciprocal of 5?
a. One-hundredth
b. 5
c. 1/5
,d. One-millionth - -1/5
- What is the reciprocal of 1/10?
a. One-hundredth
b. 10
c. 1/10
d. One-millionth - -10
- 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 - -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 - -10
- Which of the following is not a measure of area?
a. Square cm
b. Meters squared
c. Cubic meters
d. Feet x feet - -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 - -15 mm
- What are the units associated with the circumference of a circle?
a. mm
b. mm^2
c. cm^3
d. m^4 - -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 - -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 - -
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 - -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 - -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 - -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 - -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 - -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 - -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 - -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 - -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 - -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 - -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 - -Light, heat and television
- Which of the following describes the characteristics of a sound wave?
a. Longitudinal, non-mechanical
b. Mechanical, transverse