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Pharmacy Tech Math
Pharmacy Tech Math (missing chapter 9)
| Question | Answer |
|---|---|
| When multiplying fractions, you should | always change mixed numbers into improper fractions first. |
| Military time is | is based on a 24-hour format. |
| Leading zeros are used to | prevent errors with numbers that are less than 1. |
| The Roman numeral “X” is the same as Arabic numeral | 10 |
| Which of the following is the number located on the top part of a fraction? | numerator |
| In the number 1.23578, which digit is in the hundredths place? | 3 |
| Scientific notation is used to write | Arabic numbers that are very large or very small. |
| When adding or subtracting fractions with unlike denominators you should | create a common denominator. |
| Roman numerals require | adding numerals together unless a smaller numeral precedes a larger numeral. |
| Estimates are useful for | checking that your calculated amount is in the correct range. |
| The decimal point | holds the place between the ones and tenth places. |
| How would you write “30 minutes past 10 in the evening” in military time? | 2230 |
| Significant figures are used for | determining accuracy. |
| To divide fractions, | switch the numerator and denominator of the fraction to the right of the division sign and multiply. |
| Converting standard time to 24-hour time requires | the hour to be converted to a two-digit number between 00 and 24. |
| A prescription for Campral 333 mg indicates that a patient should take two tablets per dose and take three doses per day. How many milligrams a day will the patient take? | 1998 mg |
| Calculate to determine the product of the following, simplify if possible: 1 2/3 multiplied by 3/4 = | 1 1/4 |
| Calculate to determine the sum of the following, simplify if possible: 1 7/9 + 2/9 = | 2 |
| Calculate the sum of the following, simplify if possible: 3 1/3 + 1/2 = 2 = | 5 5/6 |
| Calculate to determine the sum of the following: 5/8 + 2/3 = | 1 7/24 |
| Complete the following operation and select the best answer in reduced form. 3/4 - 1/3 | 5/12 |
| Divide the following fractions: 6/7 divided by ½. | 1 5/7 |
| Evaluate the following value and determine which number is in the hundredths place: 397.854 | 5 |
| Evaluate the following value and determine which number is in the ones place: 789.236 | 9 |
| Express the following fraction in decimal form: 4/5 | 0.8 |
| Express the fraction, 1/5, as a decimal number. | 0.2 |
| Express the fraction, 1/5, as a decimal. | 0.2 |
| If a patient split a scored 500 mg tablet in half, how many milligrams would each half contain? | 250 mg |
| If a patient's prescription says to take 1 tablet three times a day and dispenses XXX tablets, how many days will the prescription last? | 10 days |
| Multiply the following and determine the best answer: 5/8 * 2/5 = | 1/4 |
| Multiply the following fractions: 1/8 * 3/4 | 3/32 |
| Round 0.0988 to the nearest tenths place. | 0.1 |
| What is the least common denominator shared by 1/2, 3/4, and 5/8? | 8 |
| What is the simplified sum of 1/12 + 5/12 + 3/12? | 3/4 |
| What is the simplified sum of 3/4+ 2/3 + 3/12? | 1 2/3 |
| Which fraction contains the greatest value? | 1/2 |
| Which fraction has the larger value? | 1/2 |
| Which is the correct answer if 12.469 is rounded to the nearest hundredths place? | 12.47 |
| Which of the following numbers contains a trailing zero? | 5.0 |
| You need to make three different preparations with various amounts of water. Formula 1 has 1/2 fl oz water, Formula 2 has 1 1/2 fl oz water, and Formula 3 has 5 1/4 fl oz water. How much water will you need to make all three products? | 7 1/4 ounces |
| A conversion factor is best described as: | an equivalency equal to 1 |
| A medication label states that the concentration is 100 mg/10 mL. Which ratio represents an equivalent concentration? | 10 mg/mL |
| A medication labeled as 5% solution has which of the following components? | 5 g of solute per 100 mL of solution |
| A proportion is best described as: | an expression of equality between two ratios |
| By multiplying the first number in a ratio while keeping the second number unchanged, you can | increase the strength of the medication. |
| For a pharmacy technician, the most useful ratio form for setting up a pharmacy calculation is a | fraction (a/b). |
| Percentage of error is calculated to | determine the amount of error that may occur in the measurement or weighing process in the pharmacy. |
| Percentage of medication means | the amount of medication per 100 parts (grams or milliliters). |
| The percentage of error is | calculated by dividing the amount of error by the desired amount. |
| The ratio-proportion method is used in pharmacy calculations when | three of four values are known. |
| When converting a percentage to a numerical value or a decimal, you should | drop the percent symbol and move the decimal point two places to the left. |
| When two doses or units of medication are given, you manipulate the ratio strength by | multiplying both the numerator and denominator by 2. |
| Which of the following has the highest concentration of medication? | 50% |
| Which of the following has the lowest concentration of medication? | 0.001% |
| You can check the accuracy of your ratioproportion calculations by | verifying that the product of the means equals the product of the extremes. |
| Temperature is checked daily in the pharmacy’s refrigerator and freezer to | verify that medications are stored in the appropriate temperature range. |
| Temperature that is recorded in Fahrenheit may be converted to Celsius by | using a formula to convert the temperature. |
| A 1:10000 epinephrine is ordered. Which of the following best describes the concentration of the 1:10000 ratio strength? | 1 g of epinephrine to each 10,000 mL parts of solution |
| A 1:500 solution is ordered, and you have in stock a 5% solution, a 2% solution, and a 0.2% solution. Which one will you dispense? | 0.2% |
| A compounding technician is instructed to prepare 4 oz bottles of sterile eye wash with a 10% overfill in each bottle. How much additional fluid should the technician add to each of the sterile eye wash bottles? (Remember: 1 oz = 30 mL.) | 12 mL |
| A metformin tablet contains 736 mg of the active ingredient. The label states that each metformin tablet contains 750 mg of drug. What is the percentage of error? | 1.9% |
| A patient should finish 75% of the 2 L fluid given for hydration before the chemotherapy may be started. How many milliliters must be infused before starting the chemotherapy? | 1500 mL |
| A stock vial of epinephrine solution has a ratio strength of 1:1000. How many milligrams of epinephrine are contained in 10 mL of the solution? | 10 mg |
| A vial of Rocephin has a concentration of 500 mg/3 mL. The doctor orders 125 mg per dose for a patient. How many milliliters should be drawn up for the 125 mg dose? | 0.75 mL |
| Convert 0.135 to a percent. | 13.5% |
| Convert 1:7 to a percent. | 14.3% |
| Convert 12.5% to a fraction. | 1/8 |
| Convert 7.6% to a decimal. | 0.076 |
| Convert the patient's weight of 179 pounds to kilograms (2.2 lb = 1 kg). | 81.4 kg |
| If a drug is available in a 24 mg strength, and a physician writes an order for only 25 % of the drug to be administered, how many milligrams should the patient receive ? | 6 mg |
| If guaifenesin solution contains 5% alcohol, and a patient consumes 120 mL in a single dose, how many grams of alcohol has the patient ingested? | 6 g |
| In order for a certain generic drug to be considered bioequivalent, it must fall with an acceptable +/- 5% range of error. The desired strength is 500 mg per tablet. Which of the following is an acceptable range of error for this tablet? | 475 mg to 525 mg |
| The manufacturer's label states that 500 mg of powder is in a container. When you weigh it on your pharmacy scale, you find that 535 mg of powder is in the container. What is the percentage of error? | 7% |
| Using the conversion factor 2.54 cm = 1 inch, convert 5'6" into centimeters. | 168 cm |
| What is the percentage of error if a patient is supposed to inject 25 units of insulin subcutaneously, but injects 30 units instead? | 20% |
| What is the ratio if there are 10 g of drug in 100 L of solution? | 1:10,000 |
| What is the term that best describes the numerical representation of a comparison or relationship between two values with use of a colon (:)? | ratio |
| What is the term used to describe the equality between two ratios? | proportion |
| Which fraction is the equivalent of a 1:2 ratio. | 1/2. |
| Which of the following is the strongest solution of acetic acid? | 24.9% |
| Which of the following percentages is equivalent to a 4:5 ratio? | 80% |
| Which of the following ratios is equivalent to a 1:8 ratio? | 3:24 |
| Which ratio is a stronger solution? | 1:10 |
| Which ratio is equivalent to a 7:9 ratio? | 49:63 |
| Which solution in stock in the pharmacy is equivalent to a 1:10 dextrose solution? | 10% dextrose |
| Which term best describes a number or an amount of a substance compared to each 100 parts of the total substance? | percent |
| You are filling 4-ounce bottles from the stock pint bottle of guaifenesin/codeine, you fill 4 bottles and have 20 mL left over. If a pint = 480 mL and 4 ounces = 120 mL, what is the percentage of error for the pint bottle? Assume you measured accurately. | 4% |
| n which thermometric scale does water freeze at 0 degrees? | Celsius |
| What thermometric scale measures the boiling point of water as 212 degrees and the freezing point of water as 32 degrees? | Fahrenheit |
| A DEA number is issued to | prescribers who write orders for controlled substances. |
| Abbreviations on prescriptions are used | to provide a shorthand means of conveying the patient’s instructions. |
| Days’ supply is calculated to verify that | the patient will have an adequate supply of medication to take for the duration of therapy. |
| Dosing schedule is best described as | how often the drugs is to be taken. |
| OD is the prescription abbreviation for | right eye |
| Prescriptions should be checked for completeness and validity | to prevent medication from being erroneously dispensed. |
| The check method of verifying a DEA number includes | adding the digits together in a manner that compares the total to the last digit of the DEA number. |
| The directions for patients on a prescription are called the | signa. |
| The name, address, and phone number of the patient should be complete on an outpatient prescription | to more completely verify the patient’s identity for security, safety, legal, and insurance requirements. |
| The number of refills on a prescription | is zero if left blank by the prescriber. |
| The quantity to dispense is | calculated from information on the prescription that describes the daily dose and the duration of therapy. |
| What should always accompany the name of a drug on the prescription? | the dosage unit and form |
| Which of the following best describes a name of a drug that is a registered trademark of the manufacturer? | brand name |
| Which of the following is a common unit for reporting patient height? | in |
| Which of the following is a possible valid DEA number for a midwife? | MM3456781 |
| Which of the following abbreviations is on the "Do NOT Use" abbreviation list? | qd |
| A patient has a prescription for Fosamax 70 mg weekly Disp: 1 month. The pharmacy stocks Fosamax tablets 10 mg and 70 mg. What will be dispensed? | #4 of the 70 mg tablets |
| A prescription for a controlled substance does not have a DEA number. What do you do? | Notify the pharmacist. |
| A prescription from Dr. Korte for morphine has a DEA number of BK2345781. Why is the number invalid? | The last digit should be “5” |
| A prescription is received with Sig: 2 gtt left eye TID. What is the correct interpretation to be typed on the label? | Instill 2 drops in the left eye three times a day. |
| Calculate the number of tablets to be dispensed if the prescription is for Seroquel 25 mg Sig: 1 tablet in the morning, 2 tablets at noon, and 3 tablets at 5 pm. Dispense: 30 day supply. | 180 tablets |
| How many tablets will be dispensed if the prescriber orders Disp: #L? | 50 |
| If a pharmacy technician identifies a DEA number that is invalid, what should he or she do? | Notify the pharmacist. |
| If you have three different Jane Smiths in your pharmacy computer, what is another identifier that will help you locate the correct patient profile? | all are possible identifiers |
| In a DEA number, the first letter designates the | authority of the holder or the prescriber's practice. |
| On a manufacturer's label for a prescription drug, which of the following is not necessary? | instructions for use |
| Several atropine labels are available on the pharmacy shelf. Select the equivalent ratio strength of atropine, from the available stock strengths, to fill an order for atropine 0.5 mg/mL injectable. | atropine 1:2000 |
| The abbreviation "IV" may be interpreted as the Roman numeral "4" or | intravenous. |
| The Latin term "Sig" or "Signa" stands for | to write or label. |
| The physician orders diltiazem 30 mg Sig: 1 tablet four times a day. Disp: #100. How many days will the dispensed amount last the patient? | 25 |
| What does the abbreviation "DAW" mean? | dispense as written |
| What is required on a hospital medication order but not on an outpatient prescription with regard to patient information? | medical record number |
| What is the abbreviation used to designate that the patient does not have any drug allergies? | nkda |
| Which is an example of a mid-level practitioner? | nurse practitioner |
| Which name of a drug is also referred to as the United States Adopted Name (USAN)? | generic name |
| Which of a drug's names is a registered trademark of the manufacturer? | brand name |
| Which of the following DEA numbers is valid based on the DEA checksum formula? | AB1233915 |
| Which of the following elements of a prescription for a controlled substance is not required to be on an institution's medication order? | prescriber's DEA number |
| Which of the following is not a basic element of a prescription? | insurance information |
| Which of the following is not a route of administration? | capsule |
| Which of the following is the abbreviation for "before meals"? | ac |
| Which of the following would be required information about the prescriber on a controlled substance prescription but not on a non-controlled substance? | DEA number |
| Which would be a valid DEA number for the nurse practitioner Tira Kingston? | MK3942516 |
| Which would be the correct directions for a prescription for nitroglycerin ointment; tid (q6 h) during waking hours, disp 1 tube? | Apply 1 inch topically three times a day at 6 hour intervals only during the waking hours. |
| Why is it important to know the units that a patient's height or weight is measured in? | Metric and standard units vary greatly and may cause dose errors. |
| A method to convert metric units is to use | the dimensional analysis method. |
| A pediatric patient often needs | a customized patient-specific dose. |
| Body surface area is best described as a | measurement related to patient’s weight and height. |
| If a manufacturer does not suggest an exact pediatric dose for a drug, which rule can be used to help calculate an appropriate dose? | Clark’s Rule |
| The dimensional analysis method uses the principle of | multiplying by an equivalent of one to obtain a conversion of units or cancellation of units. |
| The first step to solve a story problem is to | determine the unknown variable x. |
| The metric system unit for measuring length is | meter. |
| The metric system unit for measuring volume is | liter |
| The metric system unit of measure for weight (or mass) is the | gram |
| The vehicle is the | inert medium, such as a syrup, that is used in drug administration. |
| What units do manufacturers commonly use when providing prescribing guidelines for medications? | milligrams of medication per kilograms of body weight |
| When converting from a larger unit (liter) to a smaller unit (milliliter), move the decimal point | three places to the right. |
| When converting from a smaller unit (milligrams) to a larger unit (grams), move the decimal point | three places to the left. |
| Which units should match when using the ratio-proportion method? | both the numerators and denominators |
| Why are leading zeros used in pharmacy calculations? | to avoid medication errors resulting from incorrect interpretation of numbers |
| Common OTC medication doses for children are determined by | a manufacturer-provided dosing table or instructions on the packaging |
| Household measures for volume include | tablespoonsful. |
| Household measures for weight include | pounds. |
| Most medications that are dosed based on a patient’s weight use ____ as the unit of weight for the patient. | kilograms |
| Prescription instructions that direct a patient to take a range of medication on an as-needed basis should have the days’ supply determined by | calculating the maximum number of doses a patient could take each day. |
| Temperature is checked daily in the pharmacy’s refrigerator and freezer to | verify that medications are stored in the appropriate temperature range. |
| Temperature that is recorded in Fahrenheit may be converted to Celsius by | using a formula to convert the temperature. |
| What does “QS” indicate on a prescription order? | You fill a quantity sufficient to meet the needs of the patient with the instructions given. |
| What unit of measure is used when weighing creams and ointments in the pharmacy? | grams |
| Which of the following describes the conditions under which medication that must be refrigerated should be stored? | between 2 and 5 degrees Celsius |
| Which of the following equivalents is correct? | 2 cups = 1 pint |
| Which of the following equivalents is correct? | 3 tsp = 1 tbsp |
| Which of the following equivalents is correct? | 1 tsp = 5 mL |
| Which of the following instructions is preferable for a patient? | Take 10 mL by mouth daily. |
| Which of the following is a way to convert pounds to kilograms? | divide by 2.2 |
| Which of the following is the heaviest? | 1 kg |
| In which thermometric scale does water freeze at 0 degrees? | Celsius |
| If each capsule contains 50 mg of active ingredient, how many grams will 30 capsules contain? | 1.5 g |
| Which of the following is not a household measure? | milliliter |
| Which unit of volume is equivalent to one fluid ounce? | 2 tablespoonsful |
| Where do dosing tables often appear? | pediatric dosing |
| How many teaspoonsful are in a quart? | 192 tsp |
| Each No-Doz tablet contains 50 mg of caffeine. The doctor tells the patient to take 1 tablet every 6 hr with each dose of acetaminophen. How many grams of caffeine will the patient take in a day? | 0.2 g |
| How many ounces are in a household pound? | 16 oz |
| A mother picks up a bottle of Sudafed for her 1-month-old baby. She says the doctor told her to use this for his stuffy nose but the dose is not on the box. What dose should she give? | Tell her to contact the pharmacist to help her. |
| Infant Tylenol is available at 80 mg/0.6 mL. If the pediatrician tells the parent to give 120 mg, how many milliliters will the patient receive? | 0.9 mL |
| What is equivalent to the volume of 1 cc? | 1 mL |
| Which of the following dose calculations is the most accurate for children? | body surface area |
| Which is a unit of measure for household weight? | pound |
| Young's Rule bases a pediatric dose on the child's | age |
| A patient is told to add one packet of Domeboro to 32 fl oz of sterile water for a soak. She wants to know how many cups are in 32 fl oz. | 4 cups |
| What are the two measurements used to determine body surface area? | height, weight |
| Albuterol syrup is 2 mg/tsp, and a patient is to take 1 mg every 6 hours for shortness of breath. How long will a 3 fl oz bottle last? | 9 days |
| Bactroban cream comes in 1 oz tubes. If you need to make 5 g jars for in-patient use, how many jars can you make per tube? | 5 jars |
| A patient must take 2 tbsp of Maalox before meals and at bedtime. How many fluid ounces will the patient need for 1 week? | 28 fl oz |
| A Dakin solution calls for 100 mL of bleach (6% sodium hypochlorite) in 900 mL of sterile water for irrigation. What concentration of sodium hypochlorite is the final solution? | 0.6% |
| A patient is told to take 1 g of acetaminophen every 6 hours. At home the patient has 325 mg tablets. How many will the patient take in 24 hours? | 12 tablets |
| A patient can chew 1 piece of nicotine gum every hour, up to 18 pieces per day. How long will 96 pieces last if the patient uses 18 each day? | 5 days |
| A pharmacy wants to make a 5 lb stock jar of hydrocortisone 10%. How many grams are made? | 2270 g |
| What is the name of the measurement system based on subdivisions and multiples of 10? | metric |
| A mother is told to give her child 3/4 teaspoonful per dose. How many milliliters should the mother give her child? | 3.75 mL |
| A mother has an oral syringe that is marked with milliliters. The dose for her child is 1 3/4 tsp. How many milliliters should she administer? | 8.8 mL |
| When converting from grams to milligrams, the decimal point is moved | 3 places to the right. |
| If a patient weighs 167 lbs, what is the patient's weight in kilograms (rounded to the tenths)? | 75.9 kg |
| You need to compound a pound of ointment that has equal parts aquaphor and lanolin. How many grams of each will you need? Assume the household pound. | 227 g |
| Prednisone oral solution is 5 mg/5 mL. How many teaspoonsful is 40 mg? | 8 tsp |
| You are told to order 5 bottles of bleach, each containing 1 gal. The label only gives the size in ounces. How many fluid ounces are in 1 gallon? | 128 fl oz |
| A product is stable for 3 months stored at -20 degrees C. What is the Fahrenheit equivalent? | -4 degrees F |
| How many cups in 16 fl oz? | 2 cups |
| Phenytoin suspension is available as 125 mg/5 mL, and the patient is to take 100 mg three times a day. How many milliliters will the patient take per dose? | 4 mL |
| A patient is on a diet and loses 15 kg. How many pounds did the patient lose? | 33 lb |
| What thermometric scale measures the boiling point of water as 212 degrees and the freezing point of water as 32 degrees? | Fahrenheit |
| A newborn premature baby weighs 2500 g. How many pounds does the baby weigh? | 5.5 lb |
| A patient has a prescription for amitriptyline 125 mg at bedtime. Using the 25 mg tablets, how many tablets will need to be dispensed for a month's supply? | 150 tablets |
| A patient has a prescription for triamcinolone cream 0.01%, dispense 3 oz. How many grams are dispensed? | 90 g |
| Injectable solutions are typically measured in the pharmacy using | syringes. |
| Insulin is dosed in | units. |
| Milliequivalents are associated with | charged electrolytes. |
| Powdered or freeze-dried medications must be __________ before use. | reconstituted |
| The diluent added to the lyophilized dry powder is the | solvent. |
| The final volume of a solution made with a lyophilized powder equals the diluent volume plus | powder volume. |
| What two units are used when describing the ratio strength of a solution? | g/mL |
| What unit should pharmacy personnel use with the variable x when calculating the amount of medication in an injection? | milligrams |
| What unit should pharmacy personnel use with the variable x when calculating the volume needed for an injection? | milliliters |
| Which medication is commonly dosed using millimoles? | phosphate |
| Which of the following is associated with administering a large volume of fluid? | IV infusion |
| Which syringe size would be most appropriate for drawing up 4 mL of solution? | 5 mL |
| Which type of injection is given into the fatty layer of tissue under the skin? | SC |
| Which type of insulin requires careful attention when drawing it up in a syringe because it is concentrated? | Humulin R U-500 |
| A nurse administered 0.5 mL of calcitonin with a concentration of 200 units/mL. How many units did the patient receive? | 100 units |
| A patient has an order for cyanocobalamin 250 mcg IM monthly for anemia. If the drug is available as 1 mg/1 mL, how many milliliters will be administered? | 0.25 mL |
| A patient in the ER needs to be given 1440 mg of phenytoin intravenously. It is available in 250 mg/5 mL. How many milliliters should be drawn up for the nurse? | 28.8 mL |
| A patient is given 2 mL of magnesium sulfate 50% intramuscularly. How many grams of magnesium did the patient receive? | 1 g |
| A patient is given 65 mg of Lovenox subcutaneously from a Lovenox 80 mg/0.8 mL syringe. How many milliliters were administered? | 0.65 mL |
| A patient needs 1 million units of penicillin every 4 hours intravenously. If penicillin is provided in vials with 5 million units in 10 mL, how many milliliters must be drawn up and injected into a small volume parenteral per dose? | 2 mL |
| A patient receives 10 mL of a 1:10,000 epinephrine solution. How many milligrams of epinephrine did the patient receive? | 1 mg |
| A patient receives 20 units of insulin glargine at bedtime every day. How many vials will be needed for one month if the vials contain 10 mL of 100 unit/mL? | 1 vial |
| A patient requires an insulin infusion. It is to run at 2 units/hour, and the nurse wants a concentration of 1 unit/mL. How many units will you add to a 100 mL bag? | 100 units |
| A pediatric antibiotic powder for suspension has a final volume of 150 mL. A total of 78 mL of sterile water was added to the powder. What is the powder volume? | 72 mL |
| A pediatric antibiotic suspension is usually mixed with 70 mL of water to a final volume of 150 mL and a concentration of 250 mg/5 mL. The doctor asks that the final concentration be 125 mg/5 mL. How much water should be added to get this concentration? | 220 mL |
| A Rocephin 1 g vial is mixed with 3.4 mL of sterile water and has a powder volume of 0.6 mL. What is the concentration of 1 milliliter? | 250 mg |
| A syringe is labeled with midazolam 5 mg/5 mL. You notice it is only filled to the 3 mL line. How many milligrams of midazolam are in the syringe? | 3 mg |
| Calculate how many milliliters of hydromorphone 2 mg/mL are needed to provide 0.5 mg of drug. | 0.25 mL |
| Calculate the volume of stock NaCl 3 mEq/mL that is needed to equal 154 mEq. | 51.3 mL |
| Haloperidol 1 mg intramuscular is ordered for an agitated patient. The drug comes 5 mg/mL. How many milliliters will be administered? | 0.2 mL |
| Methylprednisolone 100 mg intravenous is ordered, and the nurse has a vial with 125 mg/2 mL. How many milliliters should be administered? | 1.6 mL |
| Promethazine 25 mg/mL is needed for a patient with nausea. The doctor orders 6.25 mg. How many milliliters should be administered? | 0.25 mL |
| Timentin 3.1 g is mixed with 13.5 mL of sterile water for injection for a final volume of 15 mL. What is the powder volume? | 1.5 mL |
| What is the term for the space occupied by a dry pharmaceutical in a sterile vial that will be reconstituted? | powder volume |
| Which is the term to describe medication administered by injection and not by the gastrointestinal tract? | parenteral |
| Which of the following percents is equivalent to the ratio strength 1:1000? | 0.1% |
| Which parenteral route of administration is easiest for a patient to self-administer? | subcutaneous |
| Which type of injection is given into the aqueous muscle tissue? | intramuscular |
| You need to add 12 mEq of magnesium sulfate to a liter of TPN. The stock bottle has 40 mEq/10 mL. How many milliliters should be added? | 3 mL |
| You need to add 45 mMol of phosphate to an IV solution. If the stock bottle is 15 mMol/5 mL, how many milliliters should be added? | 15 mL |
| You reconstitute a cefazolin 1 g vial with 3.4 mL of sterile water for injection, and the final concentration is 250 mg/mL. What is the powder volume? | 0.6 mL |
| Drop factor related to IV tubing is | the number of drops to make 1 mL. |
| In a solution, the liquid substance is called the | solvent. |
| In a solution, the substance dissolved in the liquid is called the | solute. |
| n general, when comparing two solutions containing the same components, the solution containing the smaller amount of solute is considered to be | dilute. |
| NS is a solution composed of | solid in a liquid. |
| The _______________ is synonymous with the infusion rate. | IV flow rate |
| The term volume in volume (v/v) refers to | the number of milliliters of medication per 100 mL of the final solution. |
| The term weight in volume (w/v) refers to | the number of grams of medication per 100 mL of the final solution. |
| What is the abbreviation for drop? | gtt |
| What is the concentration of dextrose in the IV solution D5W? | 5 grams/100 mL |
| What is the percent strength of 1/2NS? | 0.45% |
| What is the percentage strength of an IV solution with 900 mg of sodium per liter? | 0.09% |
| Which IV set requires the fewest number of drops to make 1 mL? | 10 |
| Which of the following drop factors is indicative of microdrip tubing? | a drop factor of 60 (60 gtts/mL) |
| Which type of IV fluid is a mixture of electrolytes and is not labeled with a percentage strength? | LR |
| Determine the amount of dextrose and sterile water needed to make the following solution: D12W 500 mL using D70W and sterile water (SW) | dextrose 70% 85.7 mL; SW 413.3 mL |
| What method does a pharmacy technician use when performing calculations for a prescription that requires mixing two different strengths of a drug (a higher-percent strength and a lower-percent strength) to make the desired strength? | alligation |
| A common product used in hospitals is 0.9% sodium chloride solution, also called normal saline (NS). How much sodium chloride is in 100 mL of solution? | 0.9 g |
| A drop set (drip set) used to administer an infusion is calibrated at 60 gtt/mL. This is called a | mini-drip set. |
| A drop set of 20 gtt/mL is used to run a liter of fluid at 50 gtt/min. How long will it take for the liter to run out? | 6.7 hours |
| A multiple sclerosis patient has an order for 1 g of methylprednisolone in 500 mL of NS to run over 4 hours. At what rate will the final solution be administered? | 125 mL/hour |
| A nurse has a flow rate of a drop set at 30 gtt/min and is using a 10 gtt/mL set. What rate is this in milliliters per hour? | 180 mL/hour |
| A patient has an order for Liposyn 10%, 500 mL per day. How many grams of fat will the patient receive a day? | 50 g |
| A patient is ordered a dose of gentamicin 500 mg in 100 mL of dextrose, and it is to run over 1 hour. If the drop set is 15 gtt/mL, at what rate will it be administered in drops per minute? | 25 gtt/min |
| A patient needs to get Ringer's lactate solution at 130 mL/hour for 12 hours. How many liters should be sent? | 2 L |
| A patient needs to receive 225 g of dextrose a day, and you have available 10% dextrose solution. At what rate will it run? | 93 mL/hour |
| A patient will receive heparin at 15 mL/hour. The premixed bag of heparin has 25,000 units/500 mL. How many units will the patient receive per hour? | 750 units |
| A physician wants a patient suffering from dehydration to receive 2 L over 4 hours. What is the flow rate? | 500 mL/hour |
| A TPN is running at 83 mL/hour. How many liters will need to be ordered for a 24 hour period? | 2 L |
| An amp of D50 is 50 mL of dextrose 50%. How many grams of dextrose would be in 100 mL of solution? | 50 g |
| An antibiotic is mixed in 50 mL of dextrose 5% and is to be given over 20 minutes. What is the flow rate? | 150 mL/hour |
| Convert 28 g of solute in 150 g of final product into a percentage strength. | 18.7% w/w |
| Erythromycin topical solution 2% comes in a 50 mL applicator bottle. How many grams of erythromycin are in the bottle? | 1 g |
| Hospital pharmacies stock 200 proof alcohol, which is 100% ethyl alcohol. Which statement correctly describes this solution? | All of the choices are correct. |
| If a 7% solution is a volume-in-volume solution, what is the quantity of solute? | 7 mL |
| If there are 250 mg of amoxicillin in 5 mL of solution, what percentage strength is the solution? | 5% w/v |
| If you add 2 g of lidocaine powder to 100 mL of sterile water, what is the final percentage strength? | 2% |
| if you mix 10 g of sodium bicarbonate in 1 L of sterile water, what percentage strength is the final preparation? | 1% w/v |
| Metoprolol is available as 5 mg/5 mL. What percentage strength is this solution? | 0.1% w/v |
| Ranitidine 50 mg/50 mL is to be run over 1 hour by a drop set of 15 gtt/mL. At what rate will it run? | 12 gtt/min |
| The maximum rate of KCl that can run without a pump is 10 mEq/hour. Since there are no pumps available, the nurse calls and wants to run the KCl bolus bag with 40 mEq/100 mL. What will the maximum rate be? | 25 mL/hour |
| There are 120 mg of triamcinolone powder in 4 oz of cream. What is the percentage strength of the cream? | 0.1% w/v |
| Timoptic (timolol) ophthalmic solution 0.5% comes in a 5 mL bottle. How many milligrams of timolol are in the bottle? | 25 mg |
| What is the term for a smaller volume of fluid and drug in a separate bag that is attached to the main IV line and run intermittently throughout the day? | IV piggyback |
| When comparing two solutions, the one with the greater amount of solute is considered | concentrated. |
| Which term is the name for the substance dissolved in a liquid in a solution? | solute |
| You are asked to make a 10% cefazolin ophthalmic drop. The drop bottle holds 5 mL. How many milligrams of cefazolin will be needed to make 5 mL? | 500 mg |
| A compounded cream is said to be 0.1%. How do you express this strength in weight? | 100 mg/100 g |
| A compounded topical gel is said to be 5%. How do you express this strength in weight? | 5 g/100 g |
| A pharmacy compounding recipe produces a formula that yields 1,000 mL total. You want to reduce the recipe to yield 16 ounces total. By what number will you multiply all the ingredients to make the recipe? | 0.48 |
| A pharmacy compounding recipe produces a formula that yields 16 ounces total. You want to reduce the recipe to yield 4 ounces total. By what number will you divide all the ingredients to make the reduced recipe? | 4 |
| Determine the amount of dextrose and sterile water needed to make the following solution: D12W 500 mL using D70W and sterile water (SW) | dextrose 70% 85.7 mL; SW 413.3 mL |
| Determine the amount of dextrose, Aminosyn (AA), and SW needed to make the following solution: TPN solution with D18%, AA 3%, and SW QSAD to 2L Stock solutions: D70W, AA 10% | dextrose 70% 514.3 mL; AA 600 mL; SW 885.7 mL |
| Determine the amount of dex, sterile water, and sodium ch needed to make: TPN solution with D15%, AA 3.5%, SW QSAD to 1500 mL Additives: NaCl 20 mEq, KCl 10 mEq, KPh04 12 mM Stock solutions: D70W, AA 10%, NaCl 4 mEq/mL, KCl 2 mEq/mL, KPh04 3 mM/mL | dextrose 70% 321.4 mL; SW 639.6 mL; NaCl 5 mL |
| Determine the amount of sodium chloride needed to make the following solution: TPN solution with D18%, AA 3%, SW QSAD to 2L Additive: NaCl 15 mEq per liter Stock solutions: D70W, AA 10%, NaCl 4 mEq/mL | 7.5 mL |
| In pharmacy compounding, TPN is an abbreviation for | total parenteral nutrition. |
| The components of a pharmaceutical preparation that do not affect pharmacologic activity are called the ___________ ingredients. | inactive |
| The process of using raw or prepared ingredients in the preparation of a drug product for a patient is called | compounding. |
| The term percentage strength is commonly used to describe which of the following? | the number of grams/100 mL |
| What does the acronym CSP mean? | compounded sterile product |
| What method does a pharmacy technician use when performing calculations for a prescription that requires mixing two different strengths of a drug (a higher-percent strength and a lower-percent strength) to make the desired strength? | alligation |
| With regard to pharmacy compounding, which of the following terms has the same meaning as the term formula? | recipe |
| A prescriber ordered a patient to receive 100 mL of a topical solution. The pharmacy's recipe book lists a formula to prepare 1,000 mL of the solution. What is the ratio of the ingredients required for the new order in relation to the available recipe? | 1/10 |
| A product that is obtained when a concentrate is mixed with a diluent is called a(n) | dilution. |
| A recipe for compounding a pharmaceutical preparation is called a | formula. |
| Atropine is available as 0.4 mg / mL, and you need to make a dilute atropine solution that is 0.01%. How many milliliters of concentrated atropine solution are needed to make 10 mL? | 2.5 mL |
| Calculate the quantity of 10% hydrocortisone ointment needed to make 120 g of a 2% hydrocortisone ointment. | 24 g |
| Fluoxetine syrup comes 20 mg / 5 mL. The patient needs 1 mg, and in a concentration of 1 mg / tsp so it is easy to measure. The patient needs a month's supply. How much simple syrup should be added to the concentrated product to fill the prescription? | 142.5 mL |
| Folic acid is available in 10 mL vials of a 5 mg / mL concentration. The patient needs to get 1 mg daily. How much diluent should be added to the 10 mL of concentrate to make a 1 mg / mL product? | 40 mL |
| Furosemide comes as a 10 mg / mL concentration. The doctor wants a 1 mg / mL concentration. How much diluent will need to be added to the concentrated furosemide if this is a 2 mL vial? | 18 mL |
| How much 70% acetic acid is needed to make 120 mL of 2% acetic acid solution? | 3.4 mL |
| How much diluent will need to be added to 10 mL of a 1:200 epinephrine solution to make a 1:1000 epinephrine solution? | 40 mL |
| How much drug is in a final solution of 15 mL of magnesium sulfate 50% and 225 mL of sterile water? | 7.5 g |
| If 3 g of progesterone is needed to make 30 vaginal suppositories, how much is needed to make 100 suppositories? | 10 g |
| If 30 mL of 20% acetylcysteine is mixed with 8 fl oz of cola, what is the concentration of the final solution? | 2.2% |
| If you stock 1% zinc oxide ointment and 25% zinc oxide ointment, how much of each is needed to make a pound of 10% zinc oxide ointment? (1 lb = 16 oz) | 10 oz of 1% and 6 oz of 25% |
| Promethazine is available as 25 mg / mL ampules. A child needs a dose of 3.125 mg. How much diluent is needed to make the concentrated product 3.125 mg / mL? | 7 mL |
| The anesthesiologist orders naloxone 0.04 mg IV to prevent narcotic overdose. Naloxone is available as 0.4 mg / mL ampules. How much diluent must be added to 1 mL of naloxone to have a 0.04 mg / mL product? | 9 mL |
| The following formula for hydrocortisone cream makes 1 oz: hydrocortisone powder 3 g, hydrophilic ointment 27 g. How much hydrophilic ointment will you need for 16 oz? | 432 g |
| The stock of acetaminophen liquid is 325 mg / 5 mL. How much diluent will be added to the acetaminophen to make a concentration of 80 mg/5 mL? | 15.3 mL |
| What does the abbreviation QS mean on a prescription? | sufficient quantity |
| What is the concentration of a solution made from 400 mL of 0.9% NS and 300 mL of 0.45% NS? | 0.7% |
| What is the concentration of the solution made by mixing 100 mL of 6% sodium hypochlorite and 900 mL of sterile water for irrigation? | 0.6% |
| What is the final concentration of a zinc oxide ointment in which 20 g of 10% zinc oxide is added to 50 g of 1% zinc oxide ointment? | 3.6% |
| When compounding a product, which of the following rules will prevent waste? | All of the options are correct. |
| Which of the following stock solutions would you use with sterile water to make a 65% dextrose solution? | 70% |
| You have 23% NaCl stock solution. How much needs to be added to a liter of sterile water to make a 0.9% NaCl solution? | 39 mL |
| You have a compound with a concentration of 3 g hydrocortisone powder in 150 g of petrolatum. Determine the percentage strength of this compound. | 2% |
| You have a compound with a concentration of 5 g hydrocortisone powder in 100 g of petrolatum. Determine the percentage strength of this compound. | 5% |
| You have a compound with a percentage strength of 4%, how man grams of medication are in 50 g of the preparation? | 2 grams |
| You need to make a 15% dextrose solution, and the stock solutions are 50% and 5%. How much of each will be needed to make 1 L? | 222.2 mL D50W and 777.8 mL D5W |
| You need to make a liter of 0.225% sodium chloride (NaCL), and the stock solution is 0.9% sodium chloride (NaCl). How much sterile water will be used? | 750 mL |
Created by:
LemonTheBrave