1 / 15

Chapter 14 Calculations

Chapter 14 Calculations. Interpreting Physicians’ Orders for Dosages. A physician writes a prescription for a child for amoxicillin 500 mg stat and then 250 mg tid . The 150-mL medication container is reconstituted to 250 mg/5 mL. What is the volume of the stat dose?

harlow
Télécharger la présentation

Chapter 14 Calculations

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chapter 14 Calculations Interpreting Physicians’ Orders for Dosages

  2. A physician writes a prescription for a child for amoxicillin 500 mg stat and then 250 mg tid. The 150-mL medication container is reconstituted to 250 mg/5 mL. • What is the volume of the stat dose? • What is the volume of the remaining doses? • How many total doses are in the container? • If the child is to take the medication for 10 days, is there sufficient medication in the one container? Show your calculations.

  3. A physician orders furosemide 40 mg daily for a month. The available medication is furosemide 20-mg tablets. • How many tablets will be needed for this prescription? • How many tablets will be administered with each dose?

  4. A physician orders Humulin N 35 units and Humulin R 45 units qam and Humulin R 40 units qpm. Humulin is available in 10-mL vials. • How many vials of Humulin N are needed for a month’s supply? • How many vials of Humulin R are needed for a month’s supply?

  5. A physician orders LRto run at a flow rate of 5 mL/min using an infusion set of 20 gtts/mL. How many liters of fluids would be needed for 24 hours?

  6. A physician orders fluconazole suspension 15 mg po daily. The medication is in a 35-mL container with a dosage of 10 mg/mL. • How many milliliters of the medication should be administered with each dose? • What is the appropriate utensil to be supplied to the parent to administer this medication? • How many doses are in the container?

  7. A physician orders heparin sodium 1500 units stat and in the am, then 1000 units daily. The available medication is heparin sodium 5000 units/mL. • How many milliliters should be administered to the patient with each dose? • How many doses are in the container? • What syringe should be used for the administration of this medication?

  8. A physician orders Ultracet # 40 1 or 2 tab q4-6h prn pain. The patient returns in 5 days asking for a refill. • If the patient had taken the medication at the highest prescribed dose, would a refill be appropriate?

  9. A physician orders regular insulin 55 units qam and 35 units qpm for a person with diabetes. The vial of insulin contains 10 mL of 100-unit regular insulin. • How many vials of medication would be needed for a month’s supply? • ____________________ • How many packages of insulin syringes (10 per package) would be needed? • ____________________ • If NPH insulin 25 units qam are added to the order, how many vials of that medication would be needed for a month’s supply? • ____________________ • If both types of insulin are combined in one syringe, how many units should be in the syringe every morning? • ____________________

  10. A physician orders amoxicillin 250 mg tid ´ 10 days for a child. The medication is available as amoxicillin 125 mg/5 mL in a 150-mL container. • What is the volume of medication that the child should receive with each dose? • ____________________ • How many doses are in the container? • ____________________ • Is there an adequate amount of medication for the physician’s order? • ____________________ • What is the dose for the child in household measurements? • ____________________ • If the medication was available as 250 mg/5mL in a container holding 150 mL, would there be an adequate amount for the time desired? • ____________________

  11. A physician orders Cefadyl 1 g in 50 mL of D-5-W bid to be infused at the rate of 10 mg/min. • How long will the fluids need to infuse for the patient to receive the entire amount? • ____________________ • Would the most appropriate IV infusion set be 20 gtts/mL or 50 gtts/mL? • ____________________ • What is the total weight of medication that the patient will receive? • ____________________ • What is the weight of dextrose that the patient will receive in a day’s administration? • ____________________

  12. A physician orders Lanoxin elixir 125 mcg daily for a child. The medication available is digoxin elixir 0.05 g/mL. • How many milliliters of the medication will be needed for a month’s supply? • ____________________ • What is the volume of medication that should be administered to the child with each dose? • ____________________ • How can this medication be measured in household devices? • ____________________

  13. A physician orders phenobarbitalgr ii tid for a patient with seizures. The following label shows the available medication. • How many tablets are needed for a month’s supply? • ____________________

  14. What volume of medication should be administered with each dose? • Which utensil should be used for administration of this medication? • If the medicine is given in a household utensil, what would be the amount of medication to be administered? • Which utensil shows the correct amount of medication to be administered?

More Related