Exam 27: Pharmacology Math

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The correct dosage of medication may depend on which of the following factors?

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D

Determine the following equivalents 1. 0.47 = ____ (percent) = ____ (fraction) = ____ (ratio). 2. 92% = ____ (decimal) = ____ (fraction) = ____ (ratio). 3. 3/8 = ____ (ratio) = ____ (percent) = ____ (decimal). 4. 2:5 = ____ (fraction) = ____ (decimal) = ____ (percent).

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a. 0.47 = 47 (percent) = 47/100 (fraction) = 47:100 (ratio)
b. 92% = 0.92 (decimal) = 92/100 = 43/50 (fraction) = 92:100 (ratio)
c. 3/8 = 3:8 (ratio) = 38 (percent) = 0.38 (decimal)
d. 2:5 = 2/5 (fraction) = 0.4 (decimal) = 40 (percent)
To convert a decimal to a percent: move the decimal two places to the left; to convert a decimal to a fraction: place the unit over 100 and reduce it to its lowest form; a ratio is the relationship of the fraction to itself (0.47 is 47:100, whereas 3/8 is 3:8).

Medications delivered from the pharmacy in individual doses are called __________ packs.

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unit dose
Medications delivered from the pharmacy in individual doses are called unit dose packs.

What is the formula D * Q/H used to calculate?

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Always in a proportion, the problem is solved by __________.

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Which of the following is true about a drug's brand name on a medication label?

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If a medication has been on the market for a long time, the generic name may be the only one listed on the label.

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In the formula D/H * Q, the H stands for the

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Convert the following a. 23 lb = ____ kg. b. 286 lb = ____ kg. c. 220 lb = ____ kg. d. 15.6 kg = ____ lb. e. 3 kg = ____ lb. f. 98 kg = ____ lb.

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Your patient is to receive Precef 20 mg/kg every 12 hours. The patient weighs 88 pounds. What is the correct dose?

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A pediatric patient weighing 20 pounds is prescribed amoxicillin; the label states that 10 mg/kg should be administered each day. What is the total daily dose?

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The physician prescribes 500 mg of Keflex. The available dose is 1 g/tab. How many tablets should the patient receive.

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A child who weighs 70 pounds weighs how many kilograms?

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Convert the following fractions into decimals, rounding the last digit as needed a. 3/4 = ________. b. 2/3 = ________. c. 9/12 = _______. d. 10/12 = _______.

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The __________ is the bottom number of a fraction.

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You need to give Lanoxin 0.125 mg. All you have is 0.250-mg tablets. How much do you give?

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When a powdered injectable medication is to be mixed with a solvent, the label states how much sterile solution to add.

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One fluid ounce is equal to ____ mL.

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The physician orders 140 mcg of a drug, which is equal to 1.4 mg.

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Decimal numbers can be converted to percentages by?

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