Deck 11: Flow Rates and Dosage Rates for Intravenous Medications

Question 1

A client weighing 165 lbs.is prescribed aminophylline (Paladron)0.8 mg/kg/hour.The medication is prepared as 2 mg/mL.What is the flow rate in mL/hr for this client?
1)7.5 mL/h
2)15 mL/h
3)22 mL/h
4)30 mL/h

Answer 1

4
Explanation:mL/hr = 1 mL/2 mg x 0.8 mg/1 kg x 1 kg/2.2 lbs x 165 lbs/1 hour.Multiply the numerators and then divide by the denominators.The client will receive 30 mL/hr.

Question 2

The nurse is preparing an IVP dose of prochlorperazine edisylate (Compazine)10 mg to be given over 4 minutes.The medication available is 5 mg/mL.How many mg of the medication will the nurse provide every 15 seconds?
1)0.3125 mg
2)0.625 mg
3)1.25 mg
4)2.5 mg

Answer 2

2
Explanation:mg/sec = 10 mg/4 mins x 1 min/60 seconds x 15 secs.Multiply the numerators and then divide by the denominators.The nurse will provide this client with 0.625 mg every 15 seconds.

Question 3

A client is prescribed phenytoin (Dilantin)200 mg IVP now.The medication available is 200 mg/4 mL and is to be provided at the rate of 25 mg/min.How many mL of the medication should the nurse provide in a minute?
1)0.25 mL
2)0.5 mL
3)0.75 mL
4)1.25 mL

Answer 3

2
Explanation:mL/min = 4 mL/200 mg x 25 mg/1 min.Multiply the numerators and then divide by the denominators.The client will receive 0.5 mL/min.

Question 4

A client is prescribed to receive ceftriaxone sodium (Rocephin)2 grams IV q 12 hours to be infused over 1 hour.The medication is prepared as 2 grams/100 mL and the drop factor is 15 gtts/mL.How many gtts/min should the client receive of this medication?
1)15 gtts/min
2)20 gtts/min
3)25 gtts/min
4)30 gtts/min

Question 5

A client is prescribed morphine sulfate 33 mcg/min by continuous infusion.The medication amount can be increased by 1 mg/hr for pain control if needed.An infusion bag containing 100 mg morphine sulfate/1 liter is being used.What is the initial flow rate for this medication when using a microdrop infusion set?
Standard Text: Round the answer to the nearest whole number.

Question 6

A client is prescribed diazepam (Valium)5 mg IVP over 2 minutes.The medication available is 5 mg/mL.How many mL of the medication will the nurse provide every 30 seconds?
1)0.25 mL
2)0.50 mL
3)0.75 mL
4)1.00 mL

Question 7

A client is receiving 1 liter of Dextrose 5% and 0.45% normal saline with 40 mEq KCL infusing at 20 gtts/min.The drop factor is 15 gtts/mL.How much KCL is the client receiving each minute?
1)0.053 mEq
2)0.53 mEq
3)5.3 mEq
4)53 mEq

Question 8

Which is the term that describes administering a medication bolus directly into the vein through a heplock?
1)IV push
2)IV piggyback
3)Primary IV
4)Secondary IV

Question 9

A client weighing 176 lbs.has been receiving dobutamine hydrochloride (Dobutrex)1 mcg/kg/min for one hour.The nurse needs to titrate the dose up to 5 mcg/kg/min.The infusion bag contains 1000 mg/L.How many additional mL of the medication will the patient receive for the next hour?

Question 10

A client is prescribed to receive vancomycin hydrochloride (Vancocin)500 mg in 100 mL 0.9% normal saline IVPB q 6 hours to infuse over 1 hour.What is the flow rate in gtts/min with a drop factor of 15 gtts/mL?
1)15 gtts/min
2)20 gtts/min
3)25 gtts/min
4)30 gtts/min

Question 11

A client weighing 198 lbs.is prescribed to receive dopamine hydrochloride 2 mcg/kg/min.The medication available is 400 mcg/mL.How many mL of the medication will the client receive in an hour?
1)10 mL
2)14 mL
3)23 mL
4)27 mL

Question 12

The nurse is preparing to administer an IVPB medication to a client.The bag contains 200 mg of medication per 100 mL of solution.If the medication will infuse at the rate of 10 mg/min,how long will this infusion take to completely administer to the client?
Standard Text: Round the answer to the nearest whole number.

Question 13

A client weighing 33 lbs.is prescribed cefazolin sodium (Ancef)25 mg/kg/hr.The medication is in 100 mL of 0.9% normal saline and the nurse is using a drop factor of 10 gtts/ml.How many gtts/min should this client receive?
1)28 gtts/min
2)38 gtts/min
3)49 gtts/min
4)52 gtts/min

Question 14

The client is prescribed a medication at 4 mcg/kg/min .The adult client weighs 83 kg.The solution used has a strength of 100 mg in 250 mL.How many mcg/min will this client receive?
Standard Text: Round the answer to the nearest whole number.

Question 15

The nurse is preparing an infusion of dobutamine hydrochloride (Dobutrex)for a client weighing 176 lbs.The order is to administer 1 mcg/kg/min then titrate up to 5 mcg/kg/min.The infusion bag contains 1000 mg/L.How many mL of the medication will the client receive in the first 30 minutes of the infusion?

Question 16

The client is prescribed to receive an IV medication.The concentration in the IV bag contains 600 mg of a drug in 200 mL of NS,and it must infuse over 2 hours.What is the flow rate for this medication in mL/hr?
Standard Text: Round the answer to the nearest whole number.

Question 17

A client is prescribed nitroglycerin (Nitrostat IV)25 mcg/min.The medication available is 50 mg in 500 mL.What is the rate of this infusion in mL/hr?
1)5 mL/h
2)10 mL/h
3)15 mL/h
4)20 mL/h

Question 18

The nurse is preparing to infuse 1000 mL at 100 mL/hour.Medication added to the fluid will be infused at the rate of 15 mcg/mL.What is the dosage rate in mg/hr? An IV is infusing at 125 mL/h.The strength of the solution in the bag is 10 mcg/mL.What is the dosage rate in mg/h?
1)1.5 mg/h
2)15 mg/h
3)75 mg/h
4)150 mg/h

Question 19

An IVPB is infusing at 0.5 mcg/min.The solution concentration is 50 mcg in 100 mL NS.What is the pump setting in mL/h?
Standard Text: Round the answer to the nearest whole number.

Question 20

A client is prescribed ampicillin 500 mg in 50 mL of Dextrose 5% and 0.45% normal saline to infuse over 30 minutes.The drop factor is 10 gtts/mL.How many gtts per minute will the client receive?
1)14 gtts/min
2)17 gtts/min
3)22 gtts/min
4)25 gtts/min