Ultrasound Physics Exam Review-
Edelman
Sav
e
THE BASICS QUESTIONS-
What is the vertical axis of a graph
called?
A. z-
B. x-
axis
axis
C. y-
axis
D. time-axiscorrect answers c. the vertical axis of a graph is called the
y-axis and
extends up and
down.
What is the name of the horizontal axis of a
A. z-
graph?
axis
B. x-
axis
C. y-
axis
D. red axiscorrect answers B. the horizontal axis of a graph is the x-axis.
The x-axis
extends side to
side.
How are scores on the ultrasound board exams related to
study time?
A.
B.
inversely
conversely
C.
D. unrelatedcorrect answers c. directly- as study time increases, your
directly
exam score
should
increase
How are caloric intake and weight
A.
related?
inversely
B.
C.
partially
reciprocally
D. directlycorrect answers d. directly related- as food intake increases,
weight increases
How is weight related to a sonographer's time spent
A.
exercising?
inversely
B.
C.
conversely
directly
D. unrelatedcorrect answers a. inversely- as exercise increases, weight
decreases
What is the reciprocal of
A. one-
1,000?
hundredth
B.
C.
1,000
0.001
,D. one-millionthcorrect answers c. a pair of reciprocal numbers, when
together, have a value of 1. Thus, 1,000 x
multiplied
0.001 = 1
What is the reciprocal
of 5?
A. one-
B.
hundredth
5
C.
D. one-millionthcorrect answers c. a pair of reciprocal numbers, when
1/5
multiplied
together, have a value of 1. Thus, 1/5 x
5=1
What is the reciprocal of
A. one-
1/10
hundredth
B.
C.
10
1/10
D. one-millionthcorrect answers b. a pair of reciprocal numbers, when
together, have a value of 1. Thus, 10 x
multiplied
1/10 = 1
A sack contains 6 pounds of flour. The contents of the bag are increased by
a factor
5. How muchof flour is in the
A. 6
bag?
pounds
B. 11
C. 60
pounds
pounds
D. 30 poundscorrect answers d. The term "increase by a factor" means
to multiply.
Thus, 6 x 5 = 30 (add
units) lbs
A bouquet has 30 flowers. The size of the bouquet is decreased by a factor
of 3. How
many flowers
A.
remain?
27
B.
C.
0
10
D. 15correct answers c. the term "decrease by a factor" means to divide.
Thus,
10 flowers
=
remaining
Which of the following is NOT a measure of
area?
A. squared
B. meters
cm
squared
C. cubic
D. feet x feetcorrect answers c. cubic meters are not used to measure
meters
area; to
used they are
measure volume. An area is measured in units of distance
example,
squared. For a rectangle's area is its length multiplied by its width, and can be
reported
square in in2, or square
feet,
miles.
A sonographer measures the perimeter of an anatomical structure.
following
Which of the choices is a reasonable value for the
measurement?
A. 6
B. 5
cm^2
cc
,C. 15
D. 18 dBcorrect answers c. "perimeter" means the length of the outer
mm
boundary of
structure. foraexample, a square with an edge that is 5 inches long will have
a perimeter20 inches (four sides, each with a length of 5
measuring
inches).
What are the units associated with the circumference of
a circle?
A.
B.
mm
C.
mm^2
D. m^4correct answers a. the circumference of a circle is the length of the
cm^3
circle's outer
boundary and is measured in units of length. b and c are units of area and
volume.
has unitsdof length to the fourth power, which has no meaning in
geometry
The volume of a cystic structure is estimated from sonographic data.
Which of the
following is an acceptable measurement of this
A.
volume?
6
B. 6
C. 6
cm
cm^2
D. 6 cm^3correct answers d. the units of volume are length cubed, such as
ft3 or cubic volume may also be expressed as length to the third power.
centimeters.
"a" has
units, no
whereas b and c have units of length
and area.
The speed of red blood cells traveling through a blood vessel is 750
cm/sec.
asked toYou
measure
are this speed in miles per hour. What information would be
sufficient
you for
to complete your
A. how many seconds in a minute and how many blood cells in
task?
thethe
B. vessel
number of miles in a
C. how many seconds per hour and the number of miles in a
meter
centimeter
D. the direction of red blood cell motion and the Doppler shift
frequencycorrect
c. To convert one answers
unit to another requires a factor that relates the two
terms. Forto change a measurement of length from feet to inches, we must
example,
know how
many inches are in a foot. In this case, we are asked to convert centimeters
per second
into miles per hour. Therefore, we require two pieces of information: the
between seconds and hours (relating one unit of time to another) and the
relationship
relationship
between miles and centimeters (relating one unit of distance to another).
When
are changed,
units the actual amount does not change. For example, ten dimes
same
providepurchasing
the power as four quarters. The units may be different,
but the "total
picture" remains the
same.
How much bigger is one billion than one
thousand?
A. 1,000
times
B. 1,000,000
times
C. 10
D. 10,000 timescorrect answers b. 1 billion is 1 million times larger than
times
1000. 1 million
is
1,000,000.
, THE METRIC SYSTEM QUESTIONS-
Select the sequence that appears in
increasing
A. mega, kilo,
order
hecto, milli,
giga
B. nano, milli, micro, deci, deca,
C. centi, deci, deca,
mega
hecto
D. milli, hecto, centi, deci, nano, gigacorrect answers c. centi, deci,
deca, hecto
How many nanoseconds are in 7
A.
seconds?
7,000,000
B.
C. 7
7,000,000,000
million
D. 0.00000007correct answers b. Nano means billionths. There are 1 billion
billionths
one second.
in Therefore, there are 7 billion billionths in seven
seconds.
The letters below represent the abbreviations for the prefixes of the
metric system.
Select the sequence that appears in decreasing
A. m, k, M, g,
order.
da
B. g, m, k, d,
C. g, k, di, m,
u
u, n
D. M, k, da, d, ccorrect answers d. M, k,
da, d, c
Match the following prefixes with their
A. mega ----- 1.
meanings
hundreds
B. hecto ----- 2.
C. milli ------- 3.
thousands
thousandths
D. kilo ------- 4.
E. nano ------ 5.
millions
billions
F. giga ------- 6. billionthscorrect answers giga-
mega-
billions
millions
kilo-
hecto-
thousands
hundreds
milli-
nano-
thousandths
billionths
Which term is the reciprocal of
mega?
A.
B.
nano
kilo
C.
D. microcorrect answers d.
macro
micro
How can the volume of an irregularly shaped object be measured most
accurately?
A. by visual
B. by its
inspection
weight
C. by immersing it in
water
Edelman
Sav
e
THE BASICS QUESTIONS-
What is the vertical axis of a graph
called?
A. z-
B. x-
axis
axis
C. y-
axis
D. time-axiscorrect answers c. the vertical axis of a graph is called the
y-axis and
extends up and
down.
What is the name of the horizontal axis of a
A. z-
graph?
axis
B. x-
axis
C. y-
axis
D. red axiscorrect answers B. the horizontal axis of a graph is the x-axis.
The x-axis
extends side to
side.
How are scores on the ultrasound board exams related to
study time?
A.
B.
inversely
conversely
C.
D. unrelatedcorrect answers c. directly- as study time increases, your
directly
exam score
should
increase
How are caloric intake and weight
A.
related?
inversely
B.
C.
partially
reciprocally
D. directlycorrect answers d. directly related- as food intake increases,
weight increases
How is weight related to a sonographer's time spent
A.
exercising?
inversely
B.
C.
conversely
directly
D. unrelatedcorrect answers a. inversely- as exercise increases, weight
decreases
What is the reciprocal of
A. one-
1,000?
hundredth
B.
C.
1,000
0.001
,D. one-millionthcorrect answers c. a pair of reciprocal numbers, when
together, have a value of 1. Thus, 1,000 x
multiplied
0.001 = 1
What is the reciprocal
of 5?
A. one-
B.
hundredth
5
C.
D. one-millionthcorrect answers c. a pair of reciprocal numbers, when
1/5
multiplied
together, have a value of 1. Thus, 1/5 x
5=1
What is the reciprocal of
A. one-
1/10
hundredth
B.
C.
10
1/10
D. one-millionthcorrect answers b. a pair of reciprocal numbers, when
together, have a value of 1. Thus, 10 x
multiplied
1/10 = 1
A sack contains 6 pounds of flour. The contents of the bag are increased by
a factor
5. How muchof flour is in the
A. 6
bag?
pounds
B. 11
C. 60
pounds
pounds
D. 30 poundscorrect answers d. The term "increase by a factor" means
to multiply.
Thus, 6 x 5 = 30 (add
units) lbs
A bouquet has 30 flowers. The size of the bouquet is decreased by a factor
of 3. How
many flowers
A.
remain?
27
B.
C.
0
10
D. 15correct answers c. the term "decrease by a factor" means to divide.
Thus,
10 flowers
=
remaining
Which of the following is NOT a measure of
area?
A. squared
B. meters
cm
squared
C. cubic
D. feet x feetcorrect answers c. cubic meters are not used to measure
meters
area; to
used they are
measure volume. An area is measured in units of distance
example,
squared. For a rectangle's area is its length multiplied by its width, and can be
reported
square in in2, or square
feet,
miles.
A sonographer measures the perimeter of an anatomical structure.
following
Which of the choices is a reasonable value for the
measurement?
A. 6
B. 5
cm^2
cc
,C. 15
D. 18 dBcorrect answers c. "perimeter" means the length of the outer
mm
boundary of
structure. foraexample, a square with an edge that is 5 inches long will have
a perimeter20 inches (four sides, each with a length of 5
measuring
inches).
What are the units associated with the circumference of
a circle?
A.
B.
mm
C.
mm^2
D. m^4correct answers a. the circumference of a circle is the length of the
cm^3
circle's outer
boundary and is measured in units of length. b and c are units of area and
volume.
has unitsdof length to the fourth power, which has no meaning in
geometry
The volume of a cystic structure is estimated from sonographic data.
Which of the
following is an acceptable measurement of this
A.
volume?
6
B. 6
C. 6
cm
cm^2
D. 6 cm^3correct answers d. the units of volume are length cubed, such as
ft3 or cubic volume may also be expressed as length to the third power.
centimeters.
"a" has
units, no
whereas b and c have units of length
and area.
The speed of red blood cells traveling through a blood vessel is 750
cm/sec.
asked toYou
measure
are this speed in miles per hour. What information would be
sufficient
you for
to complete your
A. how many seconds in a minute and how many blood cells in
task?
thethe
B. vessel
number of miles in a
C. how many seconds per hour and the number of miles in a
meter
centimeter
D. the direction of red blood cell motion and the Doppler shift
frequencycorrect
c. To convert one answers
unit to another requires a factor that relates the two
terms. Forto change a measurement of length from feet to inches, we must
example,
know how
many inches are in a foot. In this case, we are asked to convert centimeters
per second
into miles per hour. Therefore, we require two pieces of information: the
between seconds and hours (relating one unit of time to another) and the
relationship
relationship
between miles and centimeters (relating one unit of distance to another).
When
are changed,
units the actual amount does not change. For example, ten dimes
same
providepurchasing
the power as four quarters. The units may be different,
but the "total
picture" remains the
same.
How much bigger is one billion than one
thousand?
A. 1,000
times
B. 1,000,000
times
C. 10
D. 10,000 timescorrect answers b. 1 billion is 1 million times larger than
times
1000. 1 million
is
1,000,000.
, THE METRIC SYSTEM QUESTIONS-
Select the sequence that appears in
increasing
A. mega, kilo,
order
hecto, milli,
giga
B. nano, milli, micro, deci, deca,
C. centi, deci, deca,
mega
hecto
D. milli, hecto, centi, deci, nano, gigacorrect answers c. centi, deci,
deca, hecto
How many nanoseconds are in 7
A.
seconds?
7,000,000
B.
C. 7
7,000,000,000
million
D. 0.00000007correct answers b. Nano means billionths. There are 1 billion
billionths
one second.
in Therefore, there are 7 billion billionths in seven
seconds.
The letters below represent the abbreviations for the prefixes of the
metric system.
Select the sequence that appears in decreasing
A. m, k, M, g,
order.
da
B. g, m, k, d,
C. g, k, di, m,
u
u, n
D. M, k, da, d, ccorrect answers d. M, k,
da, d, c
Match the following prefixes with their
A. mega ----- 1.
meanings
hundreds
B. hecto ----- 2.
C. milli ------- 3.
thousands
thousandths
D. kilo ------- 4.
E. nano ------ 5.
millions
billions
F. giga ------- 6. billionthscorrect answers giga-
mega-
billions
millions
kilo-
hecto-
thousands
hundreds
milli-
nano-
thousandths
billionths
Which term is the reciprocal of
mega?
A.
B.
nano
kilo
C.
D. microcorrect answers d.
macro
micro
How can the volume of an irregularly shaped object be measured most
accurately?
A. by visual
B. by its
inspection
weight
C. by immersing it in
water
