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Terms in this set (65)
You receive the following prescription:
Amoxil oral suspension 200 mg/5 mL
sig. ii tsp t.i.d. x10d
How much (in mL) would need to be dispensed?
300
What is the concentration, in milligrams per milliliter, of a solution containing 23.5mEq of sodium chloride per milliliter? (molecular weight of NaCl=58.5)
Between 1375 and 1374.5
A pharmacist adds 10mL of a 20% w/v solution of potassium iodide to 500mL of D5W for parenteral infusion. What is the percentage strength of potassium iodide in the infusion solution?
Between 0.4 and 0.38
How many tablespoons are in 16oz. ?
Between 32 and 31.4
A physician orders a 2g vial of cephalothin sodium to be addd to 500mL of D5W. If the administration rate is 125mL/hr, how many milligrams of cephalothin sodium will the patient receive per minute?
Between 8.5 and 8
A topical solution contains 3% w/v hydroquinone. How many liters of the solution can be prepared from 30g of hydroquinone?
1
The usual pediatric dose of acyclovir is 20mg/kg infused tid. What would be the single dose, in mg, for a child weighing 33 lb?
300
Ipratropium bromide inhalation solution contains 0.02% w/v of drug per 2.5mL. Calculate the mg of drug present.
0.5
If an infusion pump system is calibrated to deliver 15 drops per minute, equivalent to a delivery rate of 15mL per hour, how many drops would be delivered per mL by the system?
60
The pediatric dose of cefadroxil is 30mg/kg/day. If a child was given a daily dose of 2 teaspoonfuls of a pediatric suspension containing 125mg of cefadroxil per 5mL, what was the weight, in pounds, of the child?
Between 18.5 and 18
If 15g of a 5% w/w acyclovir ointment are used in preparing 60g of a compound ointment, calculate the resultant concentration (percentage) of acyclovir in the final product.
Between 1.3 and 1.25
If a sample of the dry herb ginseng is determined to contain 4% w/w of pharmacologically active ginsenosides, calculate the milligrams of the herb containing 10mg of the active constituents.
250
If 240mL of a cough syrup contain 0.6g of diphenhydramine hydrochloride, how many milligrams are contained in each 5mL?
Between 13 and 12.5
LANTUS contains 100 international units of insulin glargine, equivalent to 3.6378mg per milliliter of injection. How many milligrams of insulin glargine would be present in each 0.8mL of injection?
Between 3 and 2.9
How many capsules, each containing 250mg of drug, are needed to provide 25mg/kg per day for 1 week for a person weighing 175lb?
56
How many grams of codeine phosphate are left in an original 5 gram bottle after the amount required to prepare 100 capsules, each containing 15mg of codeine phosphate, is used?
3.5
The child's dose of gentamicin for a urinary tract infection is 1mg/kg administered every 8 hours for 10 days. What would be the single dose for a 15 year old child weighing 110 pounds?
50
Calculate the percentage strength of the following: 10mg in 5mL.
0.2
How many 30mg tablets of codeine sulfate should be used in preparing the following prescription?
Rx: Codeine sulfate 15mg/tsp
Robitussin ad 120mL
Sig. Two tsp q6h for cough
12
If a solution of potassium permanganate is prepared by dissolving sixteen 0.2g tablets in enough purified water to make 1600mL, calculate the percentage strength.
0.2
After constitution of a dry powder, each 5mL of ampicillin for oral suspension contains 250mg of ampicillin in package sizes to prepare 100mL, 150mL, and 200mL of suspension. Which package size should be dispensed for a 44 pound child who is to take 50mg/kg/day total, qid in equally divided and spaced doses for 10 days?
200
If the dose of a drug is 200mg, how many doses are contained in 10g?
50
A blood alcohol level of 80mg/dL is considered to diminish driving performance. Express this value in terms of percentage.
0.08
A pediatric product is formulated to contain 100mg of erythromycin ethylsuccinate in each dropperful (2.5mL) of the product. How many grams of erythromycin ethylsuccinate would be required to prepare 5000 bottles, each containing 50mL of the preparation?
10000
A physician orders calcium gluceptate 540mg to be added to IV fluids. You have available 5mL ampules, each containing 90mg of calcium gluceptate. How many milliliters would you add to the IV fluids to fill this order?
30
Your pharmacy orders solution "F" in a 6oz bottle of concentrate from a supplier. One bottle can be used to compound six 12oz bottles of 2% solution. What strength (percentage) are the 6oz. bottles the supplier delivers?
24
The usual initial dose of chlorambucil is 150mcg/kg of body weight once per day. How many milligrams should be administered to a patient weighing 154 pounds?
10.5
Furosemide injection contains 10mg of furosemide in each mL, packaged in prefilled 2mL syringes. Calculate the amount, in grams, of furosemide required to manufacture 4,000 such syringes.
80
The maintenance dose of oxtriphylline is 13.2mg/kg/day or 800mg, whichever is less, in qid dosing. How many 100mg tablets of the drug should a 200lb patient take at each dosing interval?
2
How many 300mg tablets of allopurinol would the following prescription require to compound?
Rx: Allopurinol 20mg/mL
Cherry syrup 60mL
Methylcellulose suspension ad 120mL
Sig: Take 1 teaspoonful qam
8
A patient receives a solution by IV infusion at a rate of 36 gtt/min. How much solution (in mL) is infused in 3 hours if the infusion set has a drop factor of 15 gtt/mL?
432
Half-normal saline is 0.45% sodium chloride. Express this concentration in mEq/mL. (The molecular weight of NaCl = 58.5)
Between 0.087 and 0.07
A pharmacist needs to prepare 36mL of a 0.2% dexamethasone solution. How many milliliters of an injection containing dexamethasone sodium phosphate equivalent to 4mg of dexamethasone per milliliter will be needed to prepare this solution?
18
You receive the following order to be prepared in the hospital pharmacy: Metoclopramide 12mg in 50mL D5W. How many milliliters of metoclopramide injection with a concentration of 5mg/mL would you need to prepare this solution?
2.4
If 60g of a drug are used to prepare 200 capsules, what is the daily dose of the drug in mg if the dosage regimen is one capsule three times daily?
900
A 14 year old boy is 5'2" and he weighs 110 lbs. He's prescribed 5mg/kg of drug "A" daily. What will his dose be (in mg)?
250
An IV has been ordered to run at 10 drops/min. It contains 450mg of a particular drug in a total of 1000mL. How many mg of of the drug will the patient receive per hour if the set is calibrated to deliver 60 drops/mL?
4.5
What is 2.5 ounces equal to in mL?
Between 73.6 and 75
From the following directions, determine the number of tablets to be dispensed:1 tab po qid x 5 days, then 1 tab po tid x 5 days, then 1 tab po bid x 5 days, then ss tab po qd x 5 days
Between 47.5 and 48
At your hospital, the cart exchange happens daily at 1700. At 0900 a pediatric patient is prescribed: Drug "K" , 250mg, Q6H, oral suspension. Drug "K" contains 25mg/5mL. How much (in mL) will be needed for each dose?
50
A low-strength chewable aspirin tablet contains 81mg of aspirin per tablet. How many whole tablets may be prepared from 1kg of aspirin?
12345
A prefilled syringe contains 20mg of drug in 2mL of solution. How many micrograms of drug would be administered by an injection of 0.5mL of the solution?
5000
Oxycodone hcl oral concentrate solution contains 20mg/mL. If a dose of 0.75mL is added to 30mL of juice prior to administration, calculate the mg of oxycodone hcl administered.
15
If a physician prescribed penicillin V potassium, 500mg qid for 10 days, how many milliliters of a suspension containing 500mg of penicillin V potassium per 5mL should be dispensed?
200
If an antibiotic preparation contains 5g of penicillin V potassium in 200mL of solution, how many milligrams of the antibiotic would be contained in each teaspoonful dose?
125
The molecular weight of lithium carbonate, Li2CO3, is 73.89. How many milliequivalents of lithium ion are present in a 300mg tablet of lithium carbonate?
Between 8.2 and 8
How many grams of levothyroxine sodium would a manufacturing pharmacist need to manufacture a batch of 250,000 tablets, each containing 25mcg of the drug?
Between 6.3 and 6.2
The loading dose of phenytoin in children is 20mg/kg administered at an infusion rate of 0.5mg/kg/min. What would be the dose for a child weighing 32lb?
Between 291.5 and 290.5
How many grams of active ingredient are present in a 60g tube of a 0.005% w/w fluticasone propionate ointment?
0.003
How many liters of a 2% w/v iodine tincture can be made from 123g of iodine?
Between 6.2 and 6.15
A medication order calls for 0.1mg/kg of albuterol sulfate to be administered to a 23 lb child. The source of the drug is a solution containing 0.5g of albuterol sulfate in 100mL. How many milliliters of the solution should be used in filling the order?
Between 0.22 and 0.2
The daily infusion volume of D10W ordered for a neonate weighing 3 pounds 8 ounces is 60mL/kg/day. Using an administration set that delivers 60 drops/mL at 20 drops per minute, calculate the total number of minutes needed for the infusion to run.
Between 287 and 286
A physician orders an intravenous solution to contain 10,000 units of heparin in 1 liter of 5% w/v dextrose solution to be infused at such a rate that the patient will receive 500 units per hour. If the intravenous set delivers 10 drops/mL, how many drops per minute should be infused to deliver the desired dose?
Between 8.6 and 8
A physician orders 2g of an antibiotic to be placed in 1000mL of D5W. Using an injection that contains 300mg of the antibiotic per 2mL, how many milliliters should be added to the dextrose injection in preparing the medication order?
Between 13.5 and 13
A male patient weighing 170 pounds is placed on heparin therapy for the prevention of deep vein thrombosis after surgery. How many milliliters of a heparin injection containing 5000 units/mL should be administered for a loading dose of 80 units/kg?
Between 1.3 and 1.2
The rectal dose of sodium thiopental is 45mg/kg of body weight. How many milliliters of a 10% w/v solution should be used for a person weighing 150lb?
Between 31.1 and 30.5
If 500mL of a 15% v/v solution are diluted to 1500mL, what will be the percentage strength (v/v)?
5
How many grams of sodium chloride are present in a 1000mL bag of 0.18% sodium chloride and 4% dextrose?
1.8
A transdermal patch contains 24.3mg of testosterone and releases the drug at a rate of 5mg/24 hours. The patch is intended to be worn for 24 hours, then removed and replaced by a new patch. What percentage of total drug would have been released on removal of the patch?
Between 20.6 and 20
How many teaspoonsful would be prescribed in each dose of an elixir if 180mL contained 18 doses?
2
You are the staff pharmacist on a Friday night in a community pharmacy. A mother approaches your counter and asks for a Motrin dose for her 4 year old daughter who weighs 28 pounds. How much would you recommend of the 100mg/5mL suspension? (in mL)
Between 6.5 and 3.17
If a dose of a medication is 1 and 1/2 teaspoonsful, how many full doses will be contained in 6 fl oz of the medication?
Between 24 and 23
The intramuscular dose of lorazepam is 0.05mg/kg up to a maximum of 4mg. How many milliliters of a 4mg/mL injection should be administered to a 144lb patient?
Between 0.85 and 0.8
A patient is on an IV drip of Drug "S". The infusion started at 1300, and it's currently 1600. The administration set is calibrated to deliver 10gtt/ml and the restricting device is set to 12gtt/min. How much Drug "S' has the patient received (in mL)?
216
You are the staff pharmacist on a Friday night in a community pharmacy. A mother approaches your counter and asks for a Tylenol dose for her 4 year old son who weighs 42 pounds. How much would you recommend of the 160mg/5mL suspension? (in mL)
Between 9 and 5.9
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