Pharmacology
Math N 112 Challenge #1
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1. |
Mr. Sweet is discharged to home on Robitussin 10 ml po qid prn. How many teaspoons will you advise him to take? |
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2 |
Give: Phenobarbital 90 mg po at hs. Have: Phenobarbital 0.18g per scored tablet. How many will you give? |
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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? |
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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? |
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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? |
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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 |
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3:10 AM, what time will the IV be completed? |
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7. |
The order reads give MS 7 ½ mg and Vistaril 50 mg IM q4h prn for pain. You have |
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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? |
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ANSWER KEY |
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1. |
2 t |
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2. |
½ tablet |
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3. |
1.8 ml |
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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. |
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5. |
Run at 83 ml/hr. |
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6. |
This IV should run 5.35 hours. Therefore, should come down at 8:21 AM. |
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7. |
Give a total of 1.5 ml (1 ml of Vistaril and 0.5 ml of Morphine). |
rjj/01