Chapter 2Ratios and Percents
MULTIPLE CHOICE
ANS: B PTS: 1 REF: Pages 40-41 BLM: Higher Order
ANS: A PTS: 1 REF: Page 42-43 BLM: Remember
ANS: D PTS: 1 REF: Page 43-44 BLM: Higher Order
ANS: C PTS: 1 REF: Page 43-44 BLM: Higher Order
ANS: A PTS: 1 REF: Pages 45-46 BLM: Higher Order
SHORT ANSWER
Percent Ratio
Complete row 1 in the table above.
ANS:
9:20
PTS: 1 REF: Pages 43-44
Percent Ratio
Complete row 2 in the table above.
ANS:
30%
PTS: 1 REF: Pages 43-44
Reduced fraction: _____ Percent: _____
ANS:
17/20; 85%
There are 51 women and 9 men for a total of 60 students in the class..
PTS: 1 REF: Pages 42-43
Reduced fraction: _____ Percent: _____
ANS:
4/5; 80%
PTS: 1 REF: Pages 42-43
ANS:
20
At least 80% of 25 questions must be answered correctly.
The student must answer at least 20 questions correctly.
PTS: 1 REF: Pages 45-46
ANS:
15
At least 80% of 75 questions must be answered correctly.
At least 60 questions must be answered correctly
The largest number of questions that the student could answer incorrectly, but still pass the test, is 15 questions.
PTS: 1 REF: 45-46
Decimal Fraction Percent Ratio
0.125
ANS:
1/8; 12.5%; 1:8
PTS: 1 REF: Pages 42-43
Decimal Fraction Percent Ratio
0.25%
ANS:
0.0025; 1/400; 1:400
PTS: 1 REF: Pages 42-43
Chapter 14Advanced Adult Intravenous Calculations
MULTIPLE CHOICE
HEPARIN
A client presented to the emergency department with a DVT of left leg. The physician orders heparin bolus of 90 units/kg IV, then initiate heparin infusion at 18 units/kg/h from a concentration of heparin 25 000 units in 250 mL 1/2 NS. Bolus should be given from the concentration on heparin label below. The client weighs 187 lbs.
ANS: D
1872.2 = 85 kg
85 kg 90 units/kg = 7650 units heparin bolus
PTS: 1 REF: Pages379-387 MSC: Higher Order
ANS: C
85 kg x 18 units/kg/h = 1530 units/h
PTS: 1 REF: Page379-387 MSC: Higher Order
ANS: D
85 kg x 18 units/kg/h = 1530 units/h
PTS: 1 REF: Page 379-387 MSC: Higher Order
DOPAMINE
A client weighs 165 lbs. The physician orders dopamine 400 mg/500 mL D5W at 5 mcg/kg/min to start and titrated to 10 mcg/kg/min to stabilize blood pressure.
ANS: D
165 lbs 2.2 = 75 kg
400 mg 1000 = 400 000 mcg
PTS: 1 REF: Page 398-399 MSC: Higher Order
ANS: C
= = 28 mL/h
PTS: 1 REF: Page 398-399 MSC: Higher Order
SHORT ANSWER
The drop factor is 20 gtt/mL. Flow rate: __________ gtt/min
ANS:
PTS: 1 REF: Pages 379-387
The drop factor is 12 gtt/mL. Flow rate: __________ gtt/min
ANS:
PTS: 1 REF: Pages 379-387
How many units is the patient receiving in 24 hours? __________ units/24 h
ANS:
Patient is receiving 40 mL/h.
The patient is receiving 38 400 units/24 h.
PTS: 1 REF: Pages 379-387
LIDOCAINE
Compute the answers to the following questions based on this information.
A patients IV order for lidocaine states that he should receive an IV bolus of 50 mg over 1 minute, using a supply of 1% lidocaine.
ANS:
1% supply
PTS: 1 REF: Pages 397-398
ANS:
PTS: 1 REF: Pages 397-398
Compute the volume of famotidine (Pepcid) and the volume of NS.
Pepcid: __________ mL NS: __________ mL
ANS:
10 mL total IV solution 2 mL famotidine (Pepcid) solution 8 mL NS.
PTS: 1 REF: Pages 397-398
An infusion pump will be used.
Supply: famotidine (Pepcid) 10 mg/mL
Compute the volume of famotidine (Pepcid) to be added to the 100 mL D5W.
Compute the flow rate.
famotidine (Pepcid): __________ mL Flow rate: __________ mL/h
ANS:
200 mL/60 min 200 mL/h
PTS: 1 REF: Pages 397-398
DOBUTAMINE
Compute the answers to the following questions based on this information.
A critical care patient who weighs 80 kg has an order for 10 mcg/kg/min of dobutamine to be administered IV and regulated by an electronic pump. The supply of dobutamine is 500 mg in 250 mL of D5W.
micrograms per minute: __________ milligrams per minute: __________
ANS:
Per minute,
The patient will receive 800 mcg/min or 0.8 mg/min.
PTS: 1 REF: Pages 398-399
ANS:
There are 2 mg/mL or 2000 mcg/mL of medication supply
800 mcg of dobutamine are in 0.4 mL of IV solution.
800 mcg/min is delivered by a rate of 0.4 mL/min.
PTS: 1 REF: Pages 398-399
ANS:
PTS: 1 REF: Pages 398-399
IVPD
Compute the answers to the following questions based on this information.
A patients IV fluids are to be limited. His continuous IV order is for 2000 mL of NS every 24 hours. He is to receive an IVPB of 150 mg of netromycin in 100 mL NS infused in 2 hours, every 8 hours. His IV flow rate is controlled by an infusion pump.
Answer the following questions about his IVPB.
ANS:
PTS: 1 REF: Pages 405-407
ANS:
Every 8 hours is 3 administrations/day
PTS: 1 REF: Pages 405-407
ANS:
PTS: 1 REF: Pages 405-407
How many millilitres per day will he receive with his regular IV? __________ mL/day
How many hours will his continuous IV flow per 24 hours? __________ hours/day
What will his regular IV flow rate be, in mL/hour? __________ mL/h
ANS:
PTS: 1 REF: Pages 405-407
Standard Weight Heparin
The following questions refer to a patient who is on IV heparin therapy according to the Standard Weight Based Heparin Protocol noted below. The patient weighs 144 pounds. On admission the patients aPTT is 30 seconds. IV heparin therapy is initiated at 1130 on 06/06/XX. Record your answers in the spaces below unless provided with the Standard Weight Based Heparin Protocol Worksheet by your instructor.
Standard Weight Based Heparin Protocol
For all patients on heparin drips:
__________ kg
What do the protocol/sample orders indicate for the standard bolus dosage of heparin for this patient?
__________ U/kg
ANS:
PTS: 1 REF: Pages 379-387
__________ units
What does the protocol indicate as the required solution concentration (supply dosage) of heparin to use for the bolus?
__________ units/mL
Calculate the dose volume of heparin that should be administered for the bolus for this patient.
__________ mL
ANS:
PTS: 1 REF: Pages 379-387
__________ units/kg/h
Calculate the dosage of heparin this patient should receive each hour.
__________ units/h
What do the protocol/sample orders indicate as the required solution concentration (supply dosage) of heparin to use for the initial infusion?
__________ units/mL
Calculate the heparin solution volume this patient should receive each hour to provide correct infusion for the patients weight.
__________ mL/h
ANS:
PTS: 1 REF: Pages 379-387
At 1730, the patients aPPT is 38 seconds. Rebolus with heparin
__________ units (__________ mL)
How much should you change the infusion rate?
__________ increase or __________ decrease heparin __________ units/h and __________ mL/h
The new infusion rate will be heparin __________ mL/h.
ANS:
6 h
PTS: 1 REF: Pages 379-387
ANS:
Maintain rate at 14 mL/h
PTS: 1 REF: Pages 379-387
When should the aPPT be checked again? __________ (hours) on __________ (date)
ANS:
Maintain rate at 14 mL/h
Recheck aPPT at 0600 on 06/08/XX
PTS: 1 REF: Pages 379-387
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