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Supplemental exercises for
LEVEL III
Children's Dosage Problems
Created by the Jefferson Davis Learning Lab
 

1. The maximum daily dosage of Gentamycin for a child 1 year old or more is 5 mg per kg per day. The physician orders Gentamycin 15 mg l.M. q. 8 h. The child is 14 months old and weighs 22 pounds. Does the order exceed the maximum daily dosage?
(Ans: no. max is 45 mg/day)

2. The doctor orders you to give a child weighing 50 Ibs. Garamycin 40 mg. l.M. q. 8 h. Children: The recommended daily dosage for children with normal renal function is 2.0 to 2.5 mg/kg administered every 8 hours. Does the order exceed the maximum daily dosage?
(Ans: no. max is 56.8 mg)

3. The physician orders Keflin 650 mg l.V. q. 4 h. For a child weighing 40 Ibs. Children: The maximum daily dosage for children is 20 to 30 mg/kg q 4-6h. Does the order exceed the maximum daily dosage?
(Ans: yes. max 545 mg q 4-6 h.)

4. The physician orders Terramycin 70 mg l.V. q.12 h. For a child weighing 25 Ibs. Children: The usual dosage is 12 mg/kg/day divided into two dosages, but from 10 to 20 mg/kg/dat may be given, depending on the severity of the infection. Does the order exceed the maximum daily dosage?
(Ans: no. max is 113.6 mg q 12h

5. The phvsician orders Prostaphlin 1 Gm. p.o. q. 6 h. for a child weighing 90 Ibs. Recommended daily dosage for adults and children weighing 40 kg or more is 1 Gm. Q. 4-6 h. Does the order exceed the maximum daily dosage?
(Ans: no. max 1 Gm. q 4-6h.)

6. The doctor orders Demerol 6 mg l.M. q. 4 h. p.r.n. for pain, for an infant weighing 26 pounds. The safe level of Demerol for pain is 0.5 mg/lb/dosage. Does the order exceed the maximum daily dosage?
(Ans: yes max is 13 mg)

7. The doctor orders Demerol 6 mg. q. 4 h. p.r.n., for an infant weighing 26 Ibs. You have on hand Demerol 50 mg. = 1 ml. Give ml. (Carry to three places and round off to the hundredth)
(Ans: 0.12 ml)

8. The doctor orders Digoxin 0.07 mg q.d. l.M. for an infant weighing 7.5 Ibs. Usual maintenance dosage of Digoxin is 0.01mg/lb/day. Does the order exceed the maximum daily dosage?
(Ans: no)

9. Digoxin 0.07 mg q.d. is ordered. You have on hand Digoxin 0.25 mg/ml. Give ml. (Carry to three places and round off to the hundredth)
(Ans: 0.28 ml)

10. The doctor orders Ampicillin suspension 125 mg. For a child who weighs 22 pounds. Recommended dosage from a current pediatric drug handbook is 12.5 mg/kg. Is this a safe dose for a child of 22 pounds?
(Ans: yes. max 125 mg)