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EDELMAN UNDERSTANDIN G
ULTRASOUND PHYSICS E XAM
REVIEW | Q&A LATEST UPDATE |
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Question :What is the vertical axis of a graph called?A. z-
axisB. x-axisC. y-axisD. time-axis
CORRECT ANSWER :c. the vertical axis of a graph is
called the y-axis and extends up and down.
Question :What is the name of the horizontal axis of a
graph?A. z-axisB. x-axisC. y-axisD. red axis
CORRECT ANSWER :B. the horizontal axis of a graph
is the x-axis. The x-axis extends side to side.
Question :How are scores on the ultrasound board exams
related to study time?A. inverselyB. converselyC.directlyD. unrelated
CORRECT ANSWER :c. directly- as study time
increases, your exam score should increase
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Question :How are caloric intake and weight related?A.
inverselyB. partiallyC. reciprocallyD. directly
CORRECT ANSWER :d. directly related- as food intake
increases, weight increases
Question :How is weight related to a sonographer's time
spent exercising?A. inverselyB. converselyC. directlyD.unrelated
CORRECT ANSWER:a. inversely- as exercise
increases, weight decreases
Question :What is the reciprocal of 1,000?A. one-
hundredthB. 1,000C. 0.001D. one-millionth
CORRECT ANSWER :c. a pair of reciprocal numbers,
when multiplied together, have a value of 1. Thus, 1,000 x 0.001 = 1
Question :What is the reciprocal of 5?A. one-hundredthB.
5C. 1/5D. one-millionth
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CORRECT ANSWER :c. a pair of reciprocal numbers,
when multiplied together, have a value of 1. Thus, 1/5 x 5 = 1
Question :What is the reciprocal of 1/10A. one-
hundredthB. 10C. 1/10D. one-millionth
CORRECT ANSWER :b. a pair of reciprocal numbers,
when multiplied together, have a value of 1. Thus, 10 x
1/10 = 1
Question :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 poundsB. 11 poundsC. 60 poundsD. 30 pounds
CORRECT ANSWER :d. The term "increase by a
factor" means to multiply. Thus, 6 x 5 = 30 (add units) lbs
Question :A bouquet has 30 flowers. The size of the
bouquet is decreased by a factor of 3. How many flowers remain?A. 27B. 0C. 10D. 15
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CORRECT ANSWER :c. the term "decrease by a factor"
means to divide. Thus, 30 / 3 = 10 flowers remaining
Question :Which of the following is NOT a measure of
area?A. squared cmB. meters squaredC. cubic metersD.feet x feet
CORRECT ANSWER :c. cubic meters are not used to
measure area; they are used to measure volume. An area is measured in units of distance squared. For example, a rectangle's area is its length multiplied by its width, and can be reported in square feet, in2, or square miles.
Question :A sonographer measures the perimeter of an
anatomical structure. Which of the following choices is a reasonable value for the measurement?A. 6 cm^2B. 5 ccC. 15 mmD. 18 dB
CORRECT ANSWER :c. "perimeter" means the length
of the outer boundary of a structure. for example, a square with an edge that is 5 inches long will have a perimeter measuring 20 inches (four sides, each with a length of 5 inches).