Pharmacology
Math N 112 Challenge #3
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1. |
The doctor orders 3000 ml of 5%D/NSS to run over a 24 hour period. If the drop factor is 15 gtt/ml, at what rate in drops per minute should the IV run? |
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2. |
The order reads 1500 ml of 5%D/W to run at 150 ml/hour. If the IV were hung at 0730, what time would you expect it to be completed? |
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3. |
Dr. T orders 2400 ml of 5%D&RL to run over 8 hours. If the drop factor is 10, how many ml per hour will you run this IV? |
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4. |
Your patient is being prepared for surgery. You are to give Valium 4 mg IM, Atropine 0.2 mg IM and Emetecon 50 mg IM on call to surgery. You have the following: Valium 5 mg/ml, Atropine 0.4mg/ ml, and Emetecon 0.05g/ml. What is the total volume of medication in ml you would give your patient? |
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5. |
The physician orders Ancef 375 mg IV q 12 hours. The pharmacy sends you a vial labeled Ancef 1g. The directions state to add 4.3 ml of NSS to equal 1g/5 ml. How many ml will you give? |
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6. |
The physician orders a maintenance dose of 0.075 mg of Lanoxin elixir q 12 h by mouth for a 33 lb 18 month old. If the recommended dose for a child under 2 years old is 0.01 to 0.02 mg/kg/day in divided doses q12 hours, is the dose within the normal range, below the normal range, or above the normal range for this child? |
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7. |
The physician orders Heparin 8000 U sc stat. The pharmacy sends up Heparin 10,000 U / ml. What will you give? |
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8. |
Tillie's Insulin is changed to NPH Insulin 14 U and Regular Insulin 7 U 1/2 hour before breakfast daily. She is on a camping trip and has bottles of NPH and Regular Insulin labeled U 100 available. However, she has no Insulin syringe and must use a tuberculin syringe. Calculate the total # of ml she will be giving herself. |
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9. |
You are ordered to run an IV of Ancef 1 gm on call to OR. The bag is labeled Ancef 1 GM in 100 ml NSS to run over 30 minutes. If the drop factor for the IV administration set is 10 gtt/ml, at how many drops/minute will you set the IV? |
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10. |
An IV of 1000 5%D/W was to infuse at a rate of 25 gtt/min over 10 hours. After 4 hours the patient has received 600 ml. If the drop factor is 15 gtt/ml, recalculate the flow rate for the remaining volume. |
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ANSWER KEY |
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1. |
31 gtt/min |
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2. |
10 hours = up at 0730 and down at 1730 |
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3. |
300 ml/hr |
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4. |
2.3 ml |
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5. |
1.9 ml |
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6. |
Within the normal range. (0.075 mg x 2 doses = 0.15 mg daily) Recommended dose = 0.15 mg - 0.3 mg/day |
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7. |
0.8 ml |
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8. |
0.21 ml (0.14 ml + 0.07 ml) |
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9. |
33 gtt/min |
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10. |
17 gtt/min |
rjj/07