Pharmacology Math N 112 Challenge #1

1.

Mr. Sweet is discharged to home on Robitussin 10 ml po qid prn. How many teaspoons will you advise him to take?

 

 

 

 

 

 

 

 

 

 

2

Give: Phenobarbital 90 mg po at hs. Have: Phenobarbital 0.18g per scored tablet. How many will you give?

 

 

 

 

 

 

 

 

 

 

3.

You need to administer Oxacillin 0.3 g IM q6h. The vial you receive reads: Reconstitute with 2.7 ml of sterile water to equal 500 mg/3 ml. How much will you give each dose?

 

 

 

 

 

 

 

 

 

 

4.

The order for your pediatric client weighing 66 lbs reads: Keflex 250 mg po q6h. If the usual dose is 25-50 mg/kg/day in 4 divided doses, is the ordered dose in the safe range?

 

 

 

 

 

 

 

 

 

 

5.

Your HIV client is to receive Amphotericin B 50 mg IV qd for a fungal infection. The pharmacy sends the Amphotericin B 50 mg diluted in 500 ml NSS with directions to run over 6h. The tubing is labeled 15 gtt/ml. If you are using an infusion pump, how many ml/hr will you run the IV fluids?

 

 

 

 

 

 

 

 

 

 

6.

A volume of 150 ml of 5%D/W is to infuse at 28 ml/hr using microdrop tubing. If the IV was started at

 

3:10 AM, what time will the IV be completed?

 

 

 

 

 

 

 

 

 

 

7.

The order reads give MS 7 ½ mg and Vistaril 50 mg IM q4h prn for pain. You have

 

Morphine Sulfate 15 mg/ml in a vial and Hydroxyzine 0.1g/2 ml in another. What is the total amount in ml you will give?

 

 

 

 

 

 

 

 

 

 

ANSWER KEY

 

 

1.

2 t

 

 

 

 

2.

 ½ tablet

 

 

 

 

3.

1.8 ml

 

 

 

 

4.

Yes, in safe dose range. The usual dose would be between 750 mg/day and 1500 mg/day. Your client would be receiving 1000 mg/day.

 

 

 

 

5.

Run at 83 ml/hr.

 

 

 

 

6.

This IV should run 5.35 hours. Therefore, should come down at 8:21 AM.

 

 

 

 

7.

Give a total of 1.5 ml (1 ml of Vistaril and 0.5 ml of Morphine).

rjj/01

Return to Regina Janoski's Home Page