calculations chapter 6 start quiz. which is a correct statement about a fraction?
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CalculationsChapter 6
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Which is a correct statement about a fraction?
A fraction is a numerical representation indicating a part of a whole.
A fraction is commonly used in the Roman system.
A fraction represents the multiplication of two numbers.
None of the above
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Yes No(Hint: see page 122 of The Pharmacy
Technician 5E)
Which is the correct definition of a
demoninator in a fraction?
The number above the bar that tells us how many parts the whole is divided into
The number below the bar that tells us how many parts the whole is divided into
The number below the bar that tells us how many parts the whole is multiplied by
The number above the bar that tells us how many parts the whole is multiplied by
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Yes No(Hint: see page 122 of The Pharmacy
Technician 5E)
Which is the correct definition of a numerator in
a fraction?
The number above the bar that tell us how many parts exist
The number below the bar
The number on top or the left number in a fraction
Both A and C
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Technician 5E)
When adding or subtracting fractions with different denominators, what
must you do first?
You must multiply the number by the reciprocal of the fraction
You must first find equivalent fractions with common denominators
You must carry the digit to the next column
You must determine the reciprocal of one of the fractions
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Yes No(Hint: see page 124 of The Pharmacy Technician
5E)
When adding decimal numbers, after you put the numbers in a vertical
column and align the decimal points, what direction must you work?
Start on the right and work to the left
Start on the left and work to the right
Neither answer is correct
Both answers are correct
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Yes No(Hint: see page 126 of The Pharmacy Technician
5E)
Which is a measurement system used in a pharmacy?
Avoirdupois and apothecary
Metric
English
All of the above
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Yes No(Hint: see page 130 of The Pharmacy Technician
5E)
When solving problems in the metric system, if the dose is given
in teaspoons, what conversion factor should you use?
1 teaspoon = 1 ml
1 teaspoon = 5 ml
1 teaspoon = 15 ml
1 teaspoon = 30 ml
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Yes No(Hint: see page 132 of The Pharmacy Technician
5E)
Which is NOT true about the conditions for using ratio and
proportion to solve problems in pharmacy?
Three of the four values must be known
Two of the three values must be known
Numerators must have the same units
Denominators must have the same units
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Yes No(Hint: see page 139 of The Pharmacy
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How should you set up an alligation problem involving
two different strengths of the same ingredient?
Place the strength of the lower-strength component in the upper right corner, place the strength of the higher-strength component in the lower right corner, and place the desired strength of the product in the middle.
Place the strength of the lower-strength component in the upper left corner, place the strength of the higher-strength component in the upper right corner, and place the desired strength of the product in the middle.
Place the strength of the lower-strength component in the upper left corner, place the strength of the higher-strength component in the lower left corner, and place the desired strength of the product in the middle.
Place the strength of the lower-strength component in the upper right corner, place the strength of the higher-strength component in the upper left corner, and place the desired strength of the product in the middle.
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Yes No(Hint: see page 152 of The Pharmacy
Technician 5E)
For calculations with powders for constitution, what is the relationship
between the final volume of the constituted product and the powder
volume?The powder volume (PV) = the volume of the diluent (D) – the final volume of the constituted product (FV)
The final volume of the constituted product (FV) = the volume of the diluent (D) – the powder volume (PV)
The powder volume (PV) = the volume of the diluent (D) + the final volume of the constituted product (FV)
The final volume of the constituted product (FV) = the volume of the diluent (D) + the powder volume (PV)
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Yes No(Hint: see page 156 of The Pharmacy
Technician 5E)
When calculating children’s doses based on body surface
area, what is the basis for determining the dose?
The child’s weight in kg only
The child’s height in cm only
The child’s weight in lbs only
The child’s height and weight
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Yes No(Hint: see page 158 of The Pharmacy
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What statement is true about the gross profit?
The gross profit is the difference between the selling price and the acquisition cost.
The gross profit is the difference between the net profit and the acquisition cost.
The gross profit is the selling price and the difference between the gross profit and the acquisition cost.
The net profit is always greater than the gross profit.
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Yes No(Hint: see page 162 of The Pharmacy
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