HESI Dosage Calculations Practice Questions
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Dosage Calculations HESI Dosage Calculations Practice ... Dosage Calculations Quiz Dosage
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A client with cardiogenic shock weighs 220 lb and is 11.3
receiving dopamine at the rate of 3 mcg/kg/minute. The
solution strength available is dopamine 400 mg in 250 ml First, convert pounds to kg, 220 lb : X = 2.2 lb : 1 kg = 100 kg. Next, calculate the
of D5W. The nurse should set the infusion pump to deliver dosage per minute, 3 mcg/kg/min x 100 kg = 300 mcg/min. Convert mcg/min to
how many ml/hour? (Enter numeric value only. If mcg/hour, 300 mcg/min x 60 min=18,000 mcg/hour. Convert mcg/hr to mg/hour,
rounding is required, round to the nearest tenth.) 18,000 mcg/hr = 18.0 mg/hour. Calculate the rate, 400 mg : 250 ml = 18 mg : X ml
400X = 4500 X = 11.25 = 11.3 ml. So, 18 mg/11.3 ml should be infused at 11.3 ml/hour.
A client with hypertension who weighs 72.4 kg is 3.5
receiving an infusion of nitroprusside (Nipride) 50 mg in
D5W 250 ml at 75 ml/hour. How many mcg/kg/minute is Calculate the mg/hour infusing, 50 mg : 250 ml = X : 75 ml 250X = 3750 and X = 15
the client receiving? (Enter numeric value only. If mg/hour. Next, convert mg/hr to mcg/hour, 15 mg/hour = 1 mg / 1000 mcg =
rounding is required, round to the nearest tenth.) 15,000 mcg/hour, then divide by 60 min = 250 mcg/minute. Lastly, 250 mcg/72.4
kg/min = 3.45 = 3.5 mcg/kg/minute.
A client who weighs 70 kg is receiving a dopamine 1.9
solution of 800 mg/500 ml normal saline at 5 ml/hour.
How many mcg/kg/minute is the client receiving? (Enter To change ml/hour to mcg/kg/minute, use the formula: desired rate (5 ml/hour) /
numeric value only. If rounding is required, round to the volume available (500 ml) x dose available (800 mg) = 8 mg/hour. Next, convert
nearest tenth.) milligrams/hour to mcg/kg/minute: mg (8) x 1000 / kg (70) / 60 minutes = 1.904 = 1.9
mcg/kg/minute.
A client is receiving an IV solution of sodium chloride Convert grams to mg, 1 gram equals 1,000 mg. Using ratio and proportion - 1,000
0.9% (Normal Saline) 250 ml with amiodarone mg : 250 ml :: X mg : 1ml 250X= 1,000 so X = 4 mg/ml is the solution concentration
(Cordarone) 1 gram at 17 ml/hour. How many mg/minute of amiodarone. The infusion rate (ml/hour) x concentration (mg/ml) divided by 60
of amiodarone is infusing? (Enter numeric value only. If minutes/hour 17 ml/hour x 4 mg/ml = 68/60 = 1.13 = 1.1 mg/minute.
rounding is required, round to the nearest tenth.)
, A client who weighs 176 pounds is receiving an IV infusion 100
with esmolol hydrochloride (Brevibloc) at 48 ml/hour. The
IV solution is labeled with the concentration of Brevibloc Convert pounds to kg by dividing 176 pounds by 2.2 pounds = 80 kg. Convert the
10 mg/ml. How many mcg/kg/minute is the client IV concentration from mg to mcg. 1 mg : 1000 mcg :: 10 mg : 10,000 mcg. Infusion
receiving? (Enter numeric value only.) rate (48 ml/hour) x concentration (10,000 mcg/ml) divided by 60 minutes/hour x
80 kg = 48 x 10,000 divided by 60 x 80 = 480, = 100 mcg/kg/minute.
The nurse is preparing the change-of-shift report for a 95
client who has a 265 ml secondary infusion that was
started 2 hours ago at a rate of 85 ml/hour via an infusion 85 ml x 2 hours = 170 ml has infused. 265 ml (total amount to be infused) - 170 ml
pump. The nurse should report that how many ml remain (amount infused) = 95 ml remain to be infused.
to be infused by the on-coming nurse? (Enter numeric
value only.)
A male client receives a prescription for ondansetron 2
hydrochloride (Zofran) 4 mg IV to prevent postoperative
nausea after an inguinal hernia repair. The medication is Use ratio and proportion, 4 mg : X ml = 2 mg : 1 ml 2X = 4 X = 2
available in 2 mg/ml. How many ml should the nurse
administer? (Enter numeric value only.)
The nurse is preparing to administer Hepatitis B Vaccine, 1 or 0.5
Recombinant (Energix-B) 5 mcg IM to a school-aged
child. The vaccine is labeled, 10 mcg/ml. How many ml Use ratio and proportion, 5 mcg : X ml :: 10 mcg : 1ml
should the nurse administer? (Enter numeric value only. If 10X = 5 X = 0.5 ml
rounding is required, round to the nearest tenth).
A client's daily PO prescription for aripiprazole (Abilify) is 1
increased from 15 mg to 30 mg. The medication is
available in 15 mg tablets, and the client already received 30 mg (total dose) - 15 mg (dose already administered) = 15 mg that still needs to
one tablet today. How many additional tablets should the be administered. Using the Desired/Have formula: 15 mg/15 mg = 1 tablet
nurse administer so the client receives the total newly
prescribed dose for the day? (Enter numeric value only.)
At the end of the shift, the nurse is recording the fluid 695
balance for a client receiving a continuous gastrostomy
tube (GT) feeding. Based on the client's records, how The tube feeding is administered at 75 ml/hour for 11 hours (0700 - 1800) and then
many ml should the nurse record for the total fluid turned off for one hour because the residual is greater than 200 ml. 11 hours x 75
balance (intake - output) for the shift that started at 0700 ml/hr = 825 ml. Three doses of 20 ml of medication are administered, with 10 ml of
and ended at 1900? (Enter numeric value only.) (Click on water used to flush the GT before and after each dose. 20 ml x 3 doses = 60 ml; 10
each image asset for additional information.) ml (flush) x 2 x 3 doses = 60 ml; so 825 ml + 60 ml + 60 ml = 945 ml. 250 ml of
residual is removed and not replaced. 945 ml - 250 ml = 695 ml total fluid balance
(Intake - output).
The nurse is administering a 250 milliliter (ml) intravenous 125
solution to be infused over 2 hours. How many ml/hour
should the nurse program the infusion pump? (Enter 250 ml : 2 hours = X ml : 1 hour 250 = 2X X = 250 divided by 2 = 125 ml/hr
numeric value only.)
The nurse is preparing to administer 0.25 mg of 1
bumetanide (Bumex) IV. The medication is available in a
vial labeled 1 mg/4 ml. How many ml of medication Using the Desired/Have x Volume formula: Desired = 0.25 mg Have = 1 mg Volume
should the nurse administer? (Enter numeric value only.) = 4 ml 0.25 mg/1 mg x 4 ml = 1 ml
Save
Students also studied
Dosage Calculations HESI Dosage Calculations Practice ... Dosage Calculations Quiz Dosage
30 terms 50 terms 15 terms 20 terms
Stine_Match Preview Sr0124875 Preview Umora07 Preview Mta
A client with cardiogenic shock weighs 220 lb and is 11.3
receiving dopamine at the rate of 3 mcg/kg/minute. The
solution strength available is dopamine 400 mg in 250 ml First, convert pounds to kg, 220 lb : X = 2.2 lb : 1 kg = 100 kg. Next, calculate the
of D5W. The nurse should set the infusion pump to deliver dosage per minute, 3 mcg/kg/min x 100 kg = 300 mcg/min. Convert mcg/min to
how many ml/hour? (Enter numeric value only. If mcg/hour, 300 mcg/min x 60 min=18,000 mcg/hour. Convert mcg/hr to mg/hour,
rounding is required, round to the nearest tenth.) 18,000 mcg/hr = 18.0 mg/hour. Calculate the rate, 400 mg : 250 ml = 18 mg : X ml
400X = 4500 X = 11.25 = 11.3 ml. So, 18 mg/11.3 ml should be infused at 11.3 ml/hour.
A client with hypertension who weighs 72.4 kg is 3.5
receiving an infusion of nitroprusside (Nipride) 50 mg in
D5W 250 ml at 75 ml/hour. How many mcg/kg/minute is Calculate the mg/hour infusing, 50 mg : 250 ml = X : 75 ml 250X = 3750 and X = 15
the client receiving? (Enter numeric value only. If mg/hour. Next, convert mg/hr to mcg/hour, 15 mg/hour = 1 mg / 1000 mcg =
rounding is required, round to the nearest tenth.) 15,000 mcg/hour, then divide by 60 min = 250 mcg/minute. Lastly, 250 mcg/72.4
kg/min = 3.45 = 3.5 mcg/kg/minute.
A client who weighs 70 kg is receiving a dopamine 1.9
solution of 800 mg/500 ml normal saline at 5 ml/hour.
How many mcg/kg/minute is the client receiving? (Enter To change ml/hour to mcg/kg/minute, use the formula: desired rate (5 ml/hour) /
numeric value only. If rounding is required, round to the volume available (500 ml) x dose available (800 mg) = 8 mg/hour. Next, convert
nearest tenth.) milligrams/hour to mcg/kg/minute: mg (8) x 1000 / kg (70) / 60 minutes = 1.904 = 1.9
mcg/kg/minute.
A client is receiving an IV solution of sodium chloride Convert grams to mg, 1 gram equals 1,000 mg. Using ratio and proportion - 1,000
0.9% (Normal Saline) 250 ml with amiodarone mg : 250 ml :: X mg : 1ml 250X= 1,000 so X = 4 mg/ml is the solution concentration
(Cordarone) 1 gram at 17 ml/hour. How many mg/minute of amiodarone. The infusion rate (ml/hour) x concentration (mg/ml) divided by 60
of amiodarone is infusing? (Enter numeric value only. If minutes/hour 17 ml/hour x 4 mg/ml = 68/60 = 1.13 = 1.1 mg/minute.
rounding is required, round to the nearest tenth.)
, A client who weighs 176 pounds is receiving an IV infusion 100
with esmolol hydrochloride (Brevibloc) at 48 ml/hour. The
IV solution is labeled with the concentration of Brevibloc Convert pounds to kg by dividing 176 pounds by 2.2 pounds = 80 kg. Convert the
10 mg/ml. How many mcg/kg/minute is the client IV concentration from mg to mcg. 1 mg : 1000 mcg :: 10 mg : 10,000 mcg. Infusion
receiving? (Enter numeric value only.) rate (48 ml/hour) x concentration (10,000 mcg/ml) divided by 60 minutes/hour x
80 kg = 48 x 10,000 divided by 60 x 80 = 480, = 100 mcg/kg/minute.
The nurse is preparing the change-of-shift report for a 95
client who has a 265 ml secondary infusion that was
started 2 hours ago at a rate of 85 ml/hour via an infusion 85 ml x 2 hours = 170 ml has infused. 265 ml (total amount to be infused) - 170 ml
pump. The nurse should report that how many ml remain (amount infused) = 95 ml remain to be infused.
to be infused by the on-coming nurse? (Enter numeric
value only.)
A male client receives a prescription for ondansetron 2
hydrochloride (Zofran) 4 mg IV to prevent postoperative
nausea after an inguinal hernia repair. The medication is Use ratio and proportion, 4 mg : X ml = 2 mg : 1 ml 2X = 4 X = 2
available in 2 mg/ml. How many ml should the nurse
administer? (Enter numeric value only.)
The nurse is preparing to administer Hepatitis B Vaccine, 1 or 0.5
Recombinant (Energix-B) 5 mcg IM to a school-aged
child. The vaccine is labeled, 10 mcg/ml. How many ml Use ratio and proportion, 5 mcg : X ml :: 10 mcg : 1ml
should the nurse administer? (Enter numeric value only. If 10X = 5 X = 0.5 ml
rounding is required, round to the nearest tenth).
A client's daily PO prescription for aripiprazole (Abilify) is 1
increased from 15 mg to 30 mg. The medication is
available in 15 mg tablets, and the client already received 30 mg (total dose) - 15 mg (dose already administered) = 15 mg that still needs to
one tablet today. How many additional tablets should the be administered. Using the Desired/Have formula: 15 mg/15 mg = 1 tablet
nurse administer so the client receives the total newly
prescribed dose for the day? (Enter numeric value only.)
At the end of the shift, the nurse is recording the fluid 695
balance for a client receiving a continuous gastrostomy
tube (GT) feeding. Based on the client's records, how The tube feeding is administered at 75 ml/hour for 11 hours (0700 - 1800) and then
many ml should the nurse record for the total fluid turned off for one hour because the residual is greater than 200 ml. 11 hours x 75
balance (intake - output) for the shift that started at 0700 ml/hr = 825 ml. Three doses of 20 ml of medication are administered, with 10 ml of
and ended at 1900? (Enter numeric value only.) (Click on water used to flush the GT before and after each dose. 20 ml x 3 doses = 60 ml; 10
each image asset for additional information.) ml (flush) x 2 x 3 doses = 60 ml; so 825 ml + 60 ml + 60 ml = 945 ml. 250 ml of
residual is removed and not replaced. 945 ml - 250 ml = 695 ml total fluid balance
(Intake - output).
The nurse is administering a 250 milliliter (ml) intravenous 125
solution to be infused over 2 hours. How many ml/hour
should the nurse program the infusion pump? (Enter 250 ml : 2 hours = X ml : 1 hour 250 = 2X X = 250 divided by 2 = 125 ml/hr
numeric value only.)
The nurse is preparing to administer 0.25 mg of 1
bumetanide (Bumex) IV. The medication is available in a
vial labeled 1 mg/4 ml. How many ml of medication Using the Desired/Have x Volume formula: Desired = 0.25 mg Have = 1 mg Volume
should the nurse administer? (Enter numeric value only.) = 4 ml 0.25 mg/1 mg x 4 ml = 1 ml
