## Dosage Calculations

Nursing

## Quiz 12 :

Pediatric Dosages

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Q02 Q02 Q02

Order: Pen-Vee K (penicillin V potassium)7.5 mg/kg PO,daily q.4h. The medication is supplied in 125 mg/tab,250 mg/tab,and 500 mg/tab.Using the minimum number of tablets,how many tablets,and of which strength,will you administer to a child who weighs 110 pounds?
1)Three 125mg tablets
2)One 250mg tablet and one 125mg tablet
3)One 500mg tablet,one 250mg tablet,and 3/5 of a 125mg tablet
4)Three 250mg tablets

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Q04 Q04 Q04

Order: Dilantin Kapseals (phenytoin sodium,extended)5 mg/kg PO,extended-release capsules divided in three equal doses. The label on the bottle reads,"30 mg/cap." Calculate how many capsules you should administer for a child who weighs 40 pounds.
1)1 capsule
2)3 capsules
3)2 2/3 capsules
4)3 3/4 capsules

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Q07 Q07 Q07

Order: Ery-Ped (erythromycin ethylsuccinate)oral suspension 20 mg/kg/daily PO,in four equally divided doses. The label on the bottle reads,"400 mg/5 mL," and the child weighs 65 pounds.Calculate the number of milliliters that you should administer.
1)3.25 mL
2)1.2 mL
3)8.9 mL
4)1.8 mL

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Q09 Q09 Q09

Order: Ery-Ped (erythromycin ethylsuccinate)oral suspension 30 mg/kg/daily PO,in four equally divided doses. The label on the bottle reads,"200 mg/5 mL," and the child weighs 45 pounds.Calculate the number of milliliters that you should administer.
1)15.3 mL
2)5.6 mL
3)18.6 mL
4)2.55 mL

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Q10 Q10 Q10

Order: Lasix (furosemide)oral suspension 2 mg/kg/daily PO,in four equally divided doses. The label on the bottle reads,"40 mg/5 mL," and the child weighs 11 pounds.Calculate the number of milliliters that you should administer.
1)3.1 mL
2)6.05 mL
3)0.21 mL
4)0.31 mL

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Q11 Q11 Q11

Order: Claforan (cefotaxime sodium)50 mg/kg/day IV in four equally divided doses,infuse in 50 mL DW over 30 minutes via pump. The package insert states to reconstitute the 500 mg vial with 10 mL sterile water,and the child weighs 36 kilograms.At what rate will you set the IV pump to run in milliliters per hour?
1)100 mL/h
2)108 mL/h
3)118 mL/h
4)172 mL/h

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Q12 Q12 Q12

Order: Gentamicin sulfate 2.5 mg/kg IV q.12h.,infuse in 20 mL DW over 1h via pump. The label on the vial reads,"10 mg/mL," and the child weighs 10 pounds.At what rate will you set the IV pump to run,in milliliters per hour?
1)20.6 mL/h
2)25.7 mL/h
3)21.1 mL/h
4)24.5 mL/h

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Q25 Q25 Q25

The physician orders Garamycin (gentamicin)25 mg IVPB q.8h.for a child. If the label on the Garamycin vial reads 5 mg/mL,how many milliliters will you withdraw from the vial to add to the volume control chamber? If the recommended concentration of the solution for infusion is 2 mg/mL,how would you then dilute the medication in the volume control chamber (VCC)?
1)5 mL of medication and 12.5 mL of fluid
2)125 mL of medication and 125 mL of fluid
3)5 mL will be withdrawn from the vial and added to the VCC.And then IV fluid must be added to the VCC to the level of 12.5 mL
4)125 mL of medication and no further fluid is needed

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Q26 Q26 Q26

The physician orders vancomycin (Vancocin)500 mg q.6h. Directions on the label instruct 500 mg vial to be diluted with 10 mL of sterile water and then further diluted with 100 mL of D

_{5}W.How many mL of fluid will there be in the VCC when medication is ready to infuse? 1)100 mL 2)10 mL 3)110 mL 4)115 mLFree

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Q27 Q27 Q27

The doctor orders Ampicillin 500 mg q6h to be administered in a volume control chamber in a total solution of 40 mL.The ampicillin vial has a strength of 100 mg/mL.After adding the ampicillin to the VCC,how many mL of fluid will you then also add to the VCC?
1)5 mL
2)15 mL
3)35 mL
4)40 mL

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