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1.A patient is dispensed a 10-milliliter vial of insulin that contains 100 units/mL. How many days will the vial last if the patient injects 25 units SQ BID?   

  

2.Calculate how many milliliters of Maalox a patient will receive in each dose of the following prescription.

RX:

    Benadryl 12.5 mg/5 mL    80mL

    Lidocaine 2%                    30mL

    Maalox                         qs 200mL

    SIG: i tbsp po tid                                                             

 

 3.A patient weighing 80 kilograms is to receive dobutamine 3 mcg/kg/min. The available solution contains 100 milligrams of the medication in 250-mL of D5W and the calibration of the IV tubing is 50 gtts/mL

How many milligrams of dobutamine will the patient receive per hour? 

b) How many drops per minute will the patient receive? (Hint: this answer is based on a’s answer) 

 

 4. A 165-pound patient is to receive an intravenous infusion that contains 0.5 grams of nitroglycerin in 250-mL of D5W. An IV pump is programmed to deliver 3 mcg/kg/min.  Calculate the flow rate in mL/hr.  

 

5. An intravenous infusion contains 400 milligrams of acyclovir in 100-mL of D5W. The infusion is to be administered over 60 minutes and the calibration of the IV tubing is set at 30 gtts/mL.

How many milligrams of acyclovir should be administered per minute? 
How many milliliters of the acyclovir infusion should be administered per minute? 
How many drops per minute should be infused? (Round to the nearest whole number)

 6. You will need 0.5 L of a 2.5% solution for a prescription. In stock there is a 1:5 solution and a 1:100 solution.  How many milliliters of each solution will be required for this compound?

 

7. You are asked to prepare 2.5L of a 1:20 solution from a 30% solution and water. What volumes of the 30% solution and of water are needed?                                                                                                             

 

8. An IV of 150-cc is to infuse at a rate of 80 mL/hour. What is the infusion time?   

 

9. RX:

Coal tar               2 parts

Zinc Oxide           6 parts

Glycerin               3 parts

White petrolatum 8 parts

How many grams of coal tar are needed to make 500 grams of the above prescription?        

 How many grams of white petrolatum are needed to make 500 grams of the above prescription? 

 

10. A child weighing 55 pounds is to receive 7 mg/kg of cefdinir twice daily. How many milligrams of cefdinir will the child receive per day?  

 

11. How many tablets are needed to fill a prescription for Furosemide 20 mg tablets if the SIG is; ii tabs po bid x 5 days?    

 

12. A patient is to receive a lidocaine 2g/250-mL IV that will run at 2mg/min.  What is the infusion rate in milliliters per hour?  

 

13. If an amiodarone (antiarrhythmic) drip is to run at 33-mL/hr for six hours, how many milligrams of drug will be infused at that time if the bottle contains 500 mg/250-mL?

 

14. A standard pantoprazole (proton-pump inhibitor) drip at a hospital pharmacy contains 80 mg in 250-mL of 0.9% sodium chloride.  If the patient is to receive 8 mg/hr, how many milliliters will be infused over each hour?

 

15. A 65-year-old woman weighing 156 pounds is to receive a midazolam (sedative) IVP dosed at 0.02 mg/kg prior to her colonoscopy.  If midazolam contains 1 mg/mL, how many milliliters will the patient receive?

 

16. An IV order calls for the addition of 45 mEq of CaCO3 (calcium carbonate). You have a 25-mL vial of 4.4 mEq/mL.  How many milliliters of the concentrated solution do you need to add to this IV solution?

 

17. An IV solution containing 20,000 units of heparin in 500-mL of a 0.45% sodium chloride solution is to be infused at a rate of 100 units/hr.  How many drops per minute would be infused to deliver the desired dose if the intravenous set is calibrated at a rate of 15 gtts/mL?

 

18. The following prescription is presented to the pharmacy.  How many tablets should be dispensed?

Montelukast 10mg

XXX

1 tab po qAM

 

19. How many grams of a 10% and a 2% ointment should be used to make 25 g of a 5% ointment?

 

20. The pharmacy receives an order to make 480-mL of a 10% boric acid solution.  The pharmacy stocks 85% concentrated solution only.  How much 85% solution and diluent should be used in compounding this order?

 

SCIENCE
HEALTH SCIENCE
NURSING
NURSING PHARMACY

 

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