Quiz 6

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Problems

1. Order: Give "Drug C" IV piggyback for a child weighing 66 lb. at a dosage of 50 mg/kg/day in divided doses q6h.
     How many mg would each dose contain?

2.  Order: Tetracycline Elixir qid for a child weighing 50 lb at a dosage of 8 mg/kg/day in equally divided doses.
     How many mg would one does contain?

     Tetracycline is supplied at 50 mg per 7 mL.  How many mL should be administered?

3.  Order: Quinidine for an adult patient weighing 110 lb. at a dosage of 25 mg/kg/day q6h.
     How many mg should the dose contain?

     Quinidine is supplied as 300 mg tablets.  How many should be given?

4.  Order: Ampicillin IVPB for a child weighing 55 lb. at a dosage of 20mg/kg/day in 4 equally divided doses.
     How many mg would be given per dose?

     The Ampicillin is supplied as 250 mg in 1.5 mL after reconstitution.  Give ______ mL.

5.  Order: Pronestyl orally for a patient who weighs 198 lb. at a dose of 25 mg/kg/day given at 6 hour intervals.
     Give _____ mg.

6.  Order: Garamycin 35 mg IM q6h for a child weighing 42 lb.
      The recommended dose is 6 - 7.5 mg/kg/day in 4 equally divided doses.
      Is the order within the safe range?

      Garamycin is supplied as 80 mg/mL. Give _____ mL.

7.  Order: Tylenol suspension 1/2 tsp po q4h prn for fever for a child weighing 32 lb.
      The medication is supplied as 325 mg per 10 mL
      The recommended dose is 25 - 35 mg/kg/day q4h prn
      Is the ordered dose in the safe range?

8.  Order: "Drug X" 1g q4h po.  The patient weighs 198 lb.
      The recommended dose is 40 - 50 mg/kg/day.
      Is the ordered dose safe?

9.  Order: Erythromycin 300 mg po q6h for a 75 lb patient.
     Safe range is 30 - 50 mg/kg/day.
     Is the ordered dose safe?

10. Order: Theophylline loading dose 200 mg po for a 66 lb. child.
       Drug handbook states, "po loading dose should not exceed 5 mg/kg."
       Is the ordered dose safe?

11. Order: Cefadyl qid IM for JC who weighs 32 lb.
       The PDR recommends Cefadyl 40 mg/kg/day in divided doses.
       Give _____ mg per dose. 

12. Order: Ceclor 20 mg/kg/day for BK who weighs 12 lb 3 oz in divided doses q8h.
      Give _____ mg per dose.

13. The suggested dose of erythromycin is 40 mg/kg/day q6h
       A neonate weighing 3000 g whould receive _____ mg per dose?

14. Order: Claforan IM q8h for a child weighing 8 kg.
       The drug guide recommends Claforan 100 mg/kg/day as safe dosage.
       Give _____ mg per dose. (Round to hundredths)

15. Order: Cefadyl 5 mg qid IM for a child weighing 44 lb. 
       The PDR recommends 1 - 3 mg/kg/day.
       Is the ordered dose safe?

16. The recommended pediatric dose of Ancef is 80 - 160 mg/kg/day
       The doctor ordered 200 mg Ancef IV q4h for a child weighing 22 lb.
       Is the ordered dose safe?

 17. Order: Gentamicin 8 mg/kg/day q6h for a child weighing 72 lb
       Give _____ mg per dose.

18. Order: KCl 10 mEq to be administered to a 44 lb child. 
       Directions: Dilute in 100 mL D5W and give at 25 mL/hr over 4 hours.
       According to the PDR, the rate should not exceed 3 mEq/kg/24 hours.
       Is the ordered dose safe?

19. Synthroid is ordered 175 mcg po every morning for an 8 year old weighing 29.5 kg
       The pediatric drug handbook states, " for a child 6 - 12 years old: po dose 4 - 5 mcg/kg/day"
       Is the ordered dose safe?

20. Order: Neupogen 5 mcg/kg/day IV once daily
       Patient weight: 73 kg
       Give _____ mcg
       

Key

1. Patient weight 30 kg
    Daily dose 1500 mg/day
    Each dose 375 mg

2. Patient weight 22.7 kg
    Daily dose 181.6 mg
    Each dose 45.4 mg
    Give 6.4 mL

3. Patient weight 50 kg
    Daily dose 1250 mg
    Each dose 312.5 mg
    Give 1 tab

4. Patient weight 25 kg
    Daily dose 500 mg
    Each dose 125 mg
    Give 0.75 mL

5. Patient weight 90 kg
    Daily dose 2250 mg
    Each dose 562.5 mg

6. Patient weight 19 kg
    Ordered dose 140 mg/day
    Safe range 114.5 mg/d - 142.5 mg/d
    Yes, the ordered dose is within the safe range
    Give 0.44 mL

7. Patient weight 14.5 kg
    Each dose ordered 81.25 mg
    Daily possible dose 487.5 mg/day
    Safe range 363.6 mg/d - 507.5 mg/d
    Yes, the dose ordered is within the safe range

8. Patient weight 90 kg
    Ordered dose 6 g per day
    Safe range 3.6 g/d - 4.5 g/d
    No, the dose ordered is not within the safe range

9. Patient weight 34 kg
    Ordered dose 1200 mg/d
    Safe range 1020 mg/d - 1700 mg/d
    Yes, dose ordered is within the safe range

10. Patient weight 30 kg
      Ordered dose 200 mg loading dose
      Safe dose 150 mg maximum loading dose
      No, the ordered dose is not safe, it is 50 mg above the maximum loading dose.

11. 14.5 kg * 40 mg = 580 mg/day 4 doses/day = 145 mg per dose

12. Convert oz to lb:  3 oz 16 oz/lb = 0.19 lb
       Convert wt. to kg: 12.19 lb 2.2 = 5.5 kg
       5.5 kg * 20 mg/day = 110 mg/day 3 doses = 36.67 mg per dose

13. 3000 g = 3 kg
       3 kg * 40 mg = 120 mg/day 4 doses = 30 mg per dose

14. 8 kg * 100 mg/day = 800 mg/day 3 doses = 266.67 mg per dose

15. 20 kg * 1 mg/day = 20 mg/day 4 doses = 5 mg per dose is safe low dose and is dose ordered
       Yes, the dose is in safe range.

16. 10 kg * 80 mg/day = 800 mg/day 6 doses = 133.33 mg per dose (low safe dose)
       10 kg * 160 mg/day = 1600 mg/day 6 doses = 266.67 mg per dose (high safe dose)
       Yes, ordered dose falls within safe range.

17. 72 lb 2.2 = 32.7 kg * 8 mg/day = 261.6 mg/day 4 doses = 65.4 mg per dose

18. Calculate mEq/hr being administered per order
       

mEq = 10 mEq   = 2.5 mEq per hour
hour 4 hours  

      Calculate safe hourly dose
       44 lb 2.2 = 20 kg * 3 mEq/24 hours = 60 mEq/24 hours
       60 mEq : 24 hours = x mEq : 1 hour
       x = 2.5 mEq per hour

       Yes, the dose is safe because the hourly dose ordered is the same as the safe hourly dose.

19. 29.5 kg * 4 mg = 118 mg (low safe dose)
       29.5 * 5 mg = 147.5 mg (high safe dose)
       No the dose ordered is much higher and is not safe.

20. 73 kg * 5 mcg = 365 mcg