Math Problems

1.  Order:  300,000 units Penicillin IM

On Hand:  1 million units per ml

How many mls should be given ?

2.  Order:  Digoxin .125 mg po

On hand:  Digoxin .25 mg tablets

How many tablets should be given?

3.  Order Heparin 4000 units IVP

On hand:  Heparin 5000 units per ml

How many mls should be given?

4.  Order:  Infuse 1 liter D5 1/2NS over 10 hours

How many mls per hour should the patient receive?

5.  Order:  Infuse .45 NS at 150 mls per hours

How long will a one liter bag of IV fluid last?

6.  Order:  Rocephin 1 gram in 50 mls IVPB over 20 minutes

The drip factor is 15 gtts/ml

How many gtts/min should the IVPB run?

7.  Order:  Vancomycin 2 grams in 250 mls over two and a half hours

The drip factor is 6o gttls.ml

How many gtts/min should the IVPB run?

8.   Order:  25,000 units of Heparin in 250 mls of D5W to run at 900 units per hour 

How many ml/hr should it run?

9.  Order:  Tylenol elixir 175 mg PO

On hand:  70 mg per teaspoon

How many mls should you give?

10.  Order 4 mg of Erythromycin per kg of body weight

On hand:  Erythromycin suspension 100 mg per 5 mls

Child weight:  44 lbs

How many mls should be administered?

 

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