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Chapter 10 & 11
Parenteral Doses
| Question | Answer |
|---|---|
| A physician orders furosemide 40 mg IV stat. Stock: furosemide 20 mg/2 mL. How many mL will you administer? | 4 mL |
| A physician orders morphine 6 mg IM for pain. Stock: morphine 10 mg/mL. How many mL will you administer? | 0.6 mL |
| A physician orders 75 mg of a parenteral medication. The vial contains 100 mg/2 mL after reconstitution. How many mL will you draw up? | 1.5 mL |
| You reconstitute a 1 g vial by adding 8.5 mL of sterile water, resulting in a final concentration of 100 mg/mL. The order is for 400 mg IM. How many mL will you administer? | 4 mL |
| A physician orders vancomycin 750 mg IV. Vial: 1 g powder. Directions: Reconstitute with 20 mL sterile water for a final concentration of 50 mg/mL. How many mL will you administer? | 15 mL |
| A physician orders phenytoin 150 mg IV. Stock: phenytoin 250 mg/5 mL. How many mL will you administer? | 3 mL |
| A physician orders phenytoin 200 mg IV. Stock: phenytoin 50 mg/mL (after reconstitution). How many mL will you administer? | 4 mL |
| A physician orders piperacillin/tazobactam 3.375 g IV every 6 hours. Vial: 4.5 g powder. Reconstitute with 20 mL diluent to yield 225 mg/mL (of piperacillin component). How many mL per dose? | 15 mL |
| A physician orders heparin 5,000 units SC every 12 hours. Stock: heparin 10,000 units/mL. How many mL will you administer? | 0.5 mL |
| A physician orders Humulin R U-500 insulin 150 units SC (for a patient with severe insulin resistance). Stock: U-500 insulin (500 units/mL). How many mL will you administer? | 0.3 mL |
| A physician orders heparin 7,500 units SC every 12 hours for DVT prophylaxis. Stock: heparin 10,000 units/mL. How many mL will you administer? | 0.75 mL |
| A physician orders heparin 6,000 units SC every 12 hours. Stock: heparin 5,000 units/mL. How many mL will you administer? | 1.2 mL |
| A patient receives both: insulin glargine 40 units SC and heparin 5,000 units SC (different sites). Stock: U-100 insulin (100 units/mL) and heparin 10,000 units/mL. Calculate mL for each. | Insulin: 0.4 mL Heparin: 0.5 mL |
| A 70 kg patient is ordered heparin 80 units/kg IV. Stock: heparin 10,000 units/mL. How many units and how many mL for the bolus? | 5,600 units 0.56 mL |
Created by:
tomknoah
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