Medical Math

37.8° C = ____________________° F

100

The physician orders acyclovir 400 mg PO three times (or TID) per day for herpes. The medication is supplied in 800 mg tablets. How many tablets will the nurse administer? ___________ tablet(s)

0.5

What is the 24 hour time for 8:30AM

0830

The physician orders acetaminophen 325 mg PO q4 h for temperature higher than 101° F. The medication is supplied in gr v tablets. How many tablets will the nurse administer? ___________ tablet(s)

1

The physician orders Cipro 750 mg PO twice a day (or BID) for sinusitis. The medication is supplied in 500 mg tablets. How many tablets will the nurse administer? ______________ tablet(s)

1.5

The physician orders Lanoxin elixir 80 mcg PO daily (Qday) for a patient with congestive heart failure. Available: 50 mcg/mL. How many milliliters will the nurse administer? ____________ mL

1.6

A patient with high gastric residuals has Reglan 10 mg every 6 hours (or Q6h) per gastric tube ordered. The Reglan syrup is supplied in a 10 mg per 10 mL concentration. How many milliliters would the nurse administer with each dose? ___________ mL

10

Round your answer to the nearest whole number.The physician orders dopamine IV drip at 4 mcg/kg/min for low blood pressure. The patient weighs 154 lb. The medication is supplied in 400 mg/250 mL of 0.45% NS. Calculate the flow rate in milliliters per hour: ____________________ mL/h

11

A patient consumes 120 mL of orange juice and 120 mL of milk for breakfast, 260 mL of coffee for lunch, and 90 mL of an ice pop and 120 mL of ice cream for dinner. The patient voided three times during the 12-hour shift for 240 mL, 500 mL, and 400 mL. Calculate the total OUTPUT for the 6 AM to 6 PM shift. INCLUDE the number and the UNITS in your answer.

1140 mL

Calculate the milliliters per hour of heparin required for the continuous infusion.Order: Begin a heparin drip per the facility's protocol. The patient's weight is 66 kg.Heparin ProtocolBolus: Heparin 80 units/kgInfusion: Heparin 18 units/kg/h using a concentration of heparin 25,000 units in 250 mL of NS (100 units/mL)The patient should receive ____________ mL/hour for the continuous infusion.

12

The physician orders an IV of 40 mEq of potassium chloride in 500 mL 0.9% NS to infuse over 4 hours. Calculate the flow rate in milliliters per hour (round to a whole number): _______________ mL/hour

125

12.6 cm = _____________________ mm

126

Calculate the milliliters per hour of heparin required for the continuous infusion. Order: Begin a heparin drip per the facility's protocol. The patient's weight is 76 kg. Heparin ProtocolBolus: Heparin 70 units/kg Infusion: Heparin 17 units/kg/h using a concentration of heparin 25,000 units in 250 mL of NS (100 units/mL)The patient should receive ____________ mL/hour for the continuous infusion.

13

A patient consumes 2 oz of an ice pop and 30 mL of ice chips during the shift. Intravenous fluids infused at 125 mL/h during the 12-hour shift. The Foley catheter was emptied of 800 mL at the end of the shift. A drain was emptied of 80 mL at the end of the shift. Calculate the total INTAKE for the 6 AM to 6 PM shift. INCLUDE the number and the UNITS in your answer.

1590 mL

You are working in the Step-down NICU today and are caring for an infant weighing 4kg. You have an order reading: Administer 8mL/h of TPN. You have a bag of 250mL. How many mL will this infant receive in 24 hours?

192

A patient has acetaminophen 650 mg ordered every 4 hours (Q4h) per gastric tube. The acetaminophen syrup is supplied in a 160 milligram per 5 mL concentration. How many milliliters would the nurse administer with each dose? ___________ mL

20.3

What is the 24 hour time for 9:15 PM

2115

Zosyn 4.5 g IV once a day is ordered for a patient. The Zosyn is dissolved in 100 mL of NS and should infuse over 4 hours. Using an IV pump, how many milliliters per hour should the Zosyn be infused (round to a whole number): ___________ mL/h

25

The physician orders Zestril 15 mg po daily for hypertension. The medication is supplied in 5 mg tablets. How many tablets will the nurse administer? ______________ tablet(s)

3

The physician gives orders to infuse 1000 mL 0.9% NS at 200 mL/h for dehydration. Tubing drop factor is 10 gtt/mL. Calculate the flow rate in drops per minute (round to a whole number): ____________________ gtt/min

33

97.7° F = ____________________° C

36.5

Your patient just drank one and one half cups of coffee for breakfast. How many milliliters did he drink?

360 mL

The recommended dosage of oxacillin for a child is 50 mg/kg/day in four equal doses. The child's weight is 66 lb. The medication is supplied in 250 mg/5 mL. Calculate the safe dose for this child. _____How many milliliters will be administered for each dose (ROUND to nearest TENTH)? ______

375mg/dose, 7.5 mL/dose

Round your answer to the nearest whole number.The physician orders a Levophed IV drip at 2.5 mcg/min for hypotension. The medication is supplied in 2 mg/500 mL of D5W. Calculate the flow rate in milliliters per hour: ____________________ mL/h

38

102.5° F = ____________________° C

39.2

The physician orders 1000 mL lactated Ringer's to infuse at 125 mL/h for a postoperative patient. Tubing drop factor is 20 gtt/mL. Calculate the flow rate in drops per minute (round to a whole number): ____________________ gtt/min

42

According to the heparin protocol, a patient is to receive 70 units heparin per kg IV before the continuous heparin infusion is started. For a patient weighing (132 pounds) 60 kg, how many units of heparin should be administered? _________ units

4200

Round your answer to the nearest whole number.The physician orders a lidocaine IV drip to infuse at 3 mg/min for premature ventricular contractions. The medication is supplied in 1 g/250 mL of D5W. Calculate the flow rate in milliliters per hour: ____________________ mL/h

45

The Pediatrician orders Amoxil for a child who weighs 63 pounds. The safe dose range for this medication is 50mg/kg/day every eight (8) hours. What is the safe dose for this child PER DOSE?

477

Round your answer to the nearest whole number.The physician orders a nitroglycerin IV drip to infuse at 8 mcg/min for chest pain. The medication is supplied in 25 mg/250 mL of D5W. Calculate the flow rate in milliliters per hour: ____________________ mL/h

5

Zosyn 4.5 g IV every 6 hours is ordered for a patient. The Zosyn is dissolved in 50 mL of NS and should infuse over 1 hour. Using tubing with a drop factor of 60 gtt/mL, how many drops per minute should the Zosyn be infused (round to a whole number): ___________ gtt/min

50

Calculate the units of heparin required for the bolus dose. Round the final answer to the nearest hundredth place. Order: Begin a heparin drip per the facility's protocol. The patient's weight is 66 kg. Heparin ProtocolBolus: Heparin 80 units/kg Infusion: Heparin 18 units/kg/h using a concentration of heparin 25,000 units in 250 mL of NS (100 units/mL)The patient should receive ____________ units of heparin for the bolus dose.

5300

Calculate the units of heparin required for the bolus dose. Round the final answer to the nearest hundredth place. Order: Begin a heparin drip per the facility's protocol. The patient's weight is 76 kg. Heparin ProtocolBolus: Heparin 70 units/kg Infusion: Heparin 17 units/kg/h using a concentration of heparin 25,000 units in 250 mL of NS (100 units/mL)The patient should receive ____________ units of heparin for the bolus dose.

5300

180 mL = ____________________ fl oz

6

The physician orders a continuous IV morphine drip to infuse at 6 mg/h. The medication is supplied in 50 mg/50 mL. Calculate the flow rate in milliliters per hour (round to a whole number): ____________________ mL/hour

6

The Nurse Practitioner has written an order for your patient whose serum glucose is low (50), she wants to give the patient 250mL of D5W over 4 hours. What will you set the IV pump rate?

63

The physician orders KCl 20 mEq PO daily for hypokalemia. The medication is supplied in 40 mEq/15 mL. How many milliliters will the nurse administer? _____________ mL

7.5

A patient consumes 120 mL of orange juice and 120 mL of milk for breakfast, 260 mL of coffee for lunch, and 90 mL of an ice pop and 120 mL of ice cream for dinner. The patient voided three times during the 12-hour shift for 240 mL, 500 mL, and 400 mL. Calculate the total INTAKE for the 6 AM to 6 PM shift. INCLUDE the number and the UNITS in your answer.

710 mL

Your patient on the general surgery unit has a "DVT" or deep vein thrombosis. She is to receive an infusion of heparin at 15mL/hour. You are given a heparin concentration of 25,000 units/500mL of D5W.How many units per hour is this patient receiving?

750

76 mg = ____________________ mcg

76,000

1 cup = ________ oz

8

The patient has D5W 500 mL ordered over 6 hours. Using an IV pump, how many milliliters per hour should the IV fluids be infused (round to a whole number): ___________ mL/h

83

A patient consumes 2 oz of an ice pop and 30 mL of ice chips during the shift. Intravenous fluids infused at 125 mL/h during the 12-hour shift. The Foley catheter was emptied of 800 mL at the end of the shift. A drain was emptied of 80 mL at the end of the shift. Calculate the total OUTPUT for the 6 AM to 6 PM shift. INCLUDE the number and the UNITS in your answer.

880 mL

3 oz = _____ mL

90

37.6° C = ____________________° F

99.7

What does IVPB mean?

Intravenous piggy back

What are the six rights of medication administration:

Patient, Documentation, Time, Route, Drug, Dosage

TPN

Total Piggyback Normal Saline

T/F. A medication that comes in a suspension does not usually require shaking prior to administration

True, ALL medications which come in a suspension MUST be shaken prior to administration.

Explain the heparin lock flush

Used to clean and flush an IV catheter.

An IV pump is set to what rate?

mL/h

what is an IV fluid rate by gravity?

mL/minute