Posted: June 1st, 2018

The physician ordered Kefzol (cefazolin sodium) IM 25 mg/kg/day in three equal doses every 8 hours for a child who weighs 50 pounds.

Metric Equivalents

Calculate the following:

Proportional Method

Using the proportional method, convert each of the following metric equivalents:

1. 250 ml = _____L
2. 0.5L = _____ ml
3. 2 g = _____ mg
4. 500 mg = _____g
5. 0.0300 g = _____mg
6. 0.05 mg = _____ g
7. 1 mcg = _____ mg
8. 2 ml = _____ cc
9. 1000 g = _____kg
10. 2 kg = _____lb

Decimal Method

Using the moving the decimal method, convert each of the following metric equivalents:

1. 60 mg = _____g
2. 0.005 L = _____ ml
3. 200 ml = _____L
4. 1 g = _____kg
5. 0.0065 g = _____mg
6. 3.5 cc = _____L
7. 4 kg = _____ g
8. 1 ml = _____L
9. 0.1 L = _____ ml
10. 0.05 mg = _____g

Dosages according to kilogram of body weight

Calculate the following dosages according to kilogram of body weight.

1. The physician ordered Polymox (amoxicillin) oral suspension 20 mg/kg/day in divided doses every 8 hours for a child who weights 66 pounds. Convert pounds to kilograms and then calculate the prescribed dosage.

______ mg every _____ hours

1. The physician ordered Kefzol (cefazolin sodium) IM 25 mg/kg/day in three equal doses every 8 hours for a child who weighs 50 pounds. Convert pounds to kilograms and then calculate the prescribed dosage.

______ mg every _____ hours

1. The physician ordered Velosef (cephradine) IM 50 mg/kg/day in equally divided doses four times a day for a child who weighs 40 pounds. Convert pounds to kilograms and then calculate the prescribed dosage.

______ mg every _____ hours

1. The physician ordered Tegopen (cloxacillin sodium) oral solution 50 mg/kg in equally divided doses at 6-hour intervals for a child who weighs 23 pounds. Convert pounds to kilograms and then calculate the prescribed dosage.

______ mg every _____ hours