L4 Final Practice Math Answers
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Final
Practice Math
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MATH PRACTICE Final Answers
Please use your heparin protocol in your syllabus to answer questions 1-10. Questions 1-3, you are beginning heparin therapy for your patient who weighs 242 lb. His baseline aPTT of 0800 this am is 29. You receive an order to begin the weight based heparin protocol. Please respond to the following questions.
1.
How much heparin (in ml’s) will you administer as an IV bolus? Record your answer using 1 decimal place(s).
1.8 ml
2.
At what rate will you start the patient’s heparin IV solution? Record your answer using 1 decimal place(s).
19.8 ml/hr
3.
Your patient’s PTT of 1400 is 36. What will you do now (2 things)? Record your answer using 1 decimal place(s).
1)
Give a 0.9 ml bolus
IV push
2)
Change IV rate to 22 ml/hr
new IV rate 4.
A 74 kg patient is currently on a Heparin drip at 45 ml/hr. The current labs is: aPTT 45.
The new infusion rate will be __
46.5
_______ ml/hour. Record your answer using 1 decimal place(s).
5.
The physician orders the weight-based Heparin protocol for a newly admitted patient with a pulmonary embolism. The patient weighs 38 kg.
The nurse will administer a Heparin bolus of __
0.6
____ ml. Record your answer using 1 decimal place(s).
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6.
A 45 kg patient is currently on a Heparin drip at 8 ml/hr. The current labs are: PT 36, platelets 132,000, and aPTT 102
The new infusion rate will be _____
6.7
____ ml/hr. Record your answer using 1 decimal place(s).
7.
The physician orders the weight-based Heparin protocol for a newly admitted 191 kg patient with an artificial valve.
The initial calculated infusion rate will be __
3438
______units/hr. Record your answer using 0 decimal place(s).
The initial infusion rate will be __
34.4
______ml/hr. Record your answer using 1 decimal place(s).
8.
A 69 kg patient has been on a Heparin drip at 720 unit/hr. The current labs is: aPTT 31
The new infusion rate will be ___
10
_____ ml/hr. Record your answer using 1 decimal place(s).
9.
A wonderful patient that makes you laugh and sing every time you enter the room requires a heparin drip. She weighs 132 lbs. The nurse will administer a Heparin bolus of ____
1
__ ml. Record your answer using 1 decimal place(s).
10. A few days later the same patient from question #9 still has the heparin drip running at a rate of 14.3 ml/hr. She receives the following labs back: aPTT 77, and
platelets 103,000
The new infusion rate will be ___
13.1
_____ ml/hr. Record your answer using 1 decimal place(s).
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11. A patient weighing 50 kg is to receive an Inocor continuous drip at 4 mcg/kg/min. The 250 ml bag sent up by pharmacy is labeled: Inocor 80 mg. How many ml/hr will you set
the IV pump for? Record your answer using 1 decimal place(s).
37.5 ml/hr
12. A patient weighing 80 kg is to receive an Inocor continuous drip at 12 mcg/kg/min. The available 500 ml bag has a label which states Inocor 0.5 grams. How many ml/hr will you set the IV pump for? Record your answer using 1 decimal place(s).
57.6 ml/hr
13. Your patient weighs 114.4 pound and is to receive diltiazam in continuous drip at 0.2 mcg/kg/min. The diltiazam is in a 500 ml bag labeled diltiazam 25 mg. How many ml/hr
will you set the pump? Record your answer using 1 decimal place(s).
12.5 ml/hr
14. Your patient has an Aminophylline drip at 22 ml/hr. The IV bag is labeled “Aminophylline 1 Grams in 400 ml D5W”. How much Aminophylline is your patient receiving in mcg/kg/min? The patient weighs 165 lbs. Record your answer using 1 decimal place(s).
12.2 mcg/kg/min
15. The doctor writes an order for esmolol 100 mcg/kg/min. Pharmacy sends a bag of labeled esmolol 1 gram in 100 mL D
5
0.45% NaCl. The patient weighs 200 lbs. How many ml/hr should you set the pump to? Record your answer using 1 decimal place(s).
54.5
ml/hr
16. A patient is to receive Dopamine 3 mcg/kg/min. The patient weighs 187 lbs and the drug
concentration is 36 mg in 150 ml of 0.9% normal saline. What is the ml/hr? Record your
answer using 1 decimal place(s).
63.8 ml/hr
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17. Order: Dobutamine 11mcg/kg/min. Pt weighs 143 lbs. Drug concentration 120mg in 250ml. What is the appropriate rate to set the pump at? Record your answer using 1 decimal place(s).
89.4
ml/hr 18. “Eye of the Tiger” medication is to be given IV push at a rate of 3 ml per min. What is the minimal amount of time required to administer 8 ml in minutes and seconds. Record your answer using 0 decimal place(s).
2 minutes and 40 seconds
19. “RedBull” is to be IVP to some exhausted patients. This drug cannot be pushed faster than 1.5ml/min. The dose is 7ml. What is the minimal amount of time required to push this medication? Record your answer in minutes and seconds and using 0 decimal place(s).
4 minutes and 40 seconds
20. The charge nurse informs you that your patient has a new order for Ativan 3 mg IV Push on-call to the OR. Pharmacy sends up Ativan in a concentration of 4 mg/ml. You look up Ativan and find that the drug literature guidelines state that Ativan IV infusion should not exceed 2 mg/min. a) How much Ativan should you prepare? b) What is the minimum safe infusion time in minutes and seconds? Record your answer using 1 decimal place(s).
a)
0.8 ml
b)
1 minute and 30 seconds
21. The year is 1903 and the Wright Brothers are about to take flight. A patient is to receive Ativan 2 mg IV push every 6 hrs for a total of 8 doses. If the first dose is 4/13/1903 @ 2000. When will his last dose be given? Date + Time. Record your answer using 0 decimal place(s).
4/15/1903 @ 1400
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22. In 1558, Queen Elizabeth began her rule of England. A patient is really nervous about it and gets an order for Xanax 0.5 mg PO q 8 hrs for a total of 10 doses. If the Xanax was started at 4/6/1558 @ 1230, when will the last dose be given? Date + Time. Record your
answer using 0 decimal place(s).
4/9/1558 @ 1230
23. You patient has an order to receive 60 grams of Fix-Em-Up. On hand you have 50 grams
per 10 ml. How many ml will you administer? Record your answer using 0 decimal place(s).
12 ml
24. Your patient needs desperately 150 mg of caffeine in four divided doses to not get a migraine headache. You know that each shot of espresso is 7.5 ml and contains 35 mg of
caffeine. How many ml of espresso will you give your patient to make him happy per dose (assume regular diet with no caffeine restrictions)? Record your answer using 1 decimal place(s).
8 ml 25. The love of your life requires 2.6 mg/kg/day of the world’s finest chocolate syrup in 4 divided doses. You have el cheapo chocolate syrup 8 mg per 3.5 ml. He or she weighs 176 lbs. How many mls do you of chocolate do you give him/her to make her happy? Record your answer using 1 decimal place(s).
Answer is buy the good stuff and don’t be lonely
– HAHA or 22.8 ml 26. From previous question, you find the BEST Chocolate Syrup in the world with a concentration of 7.5 mg per 2 ml. What is the correct ml per dose? Record your answer
using 2 decimal place(s).
13.87 ml and
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27. The doctor orders 4.5 mg/kg/day of Lexapro to be given in 3 divided doses. The patient is 77 lbs. Lexapro comes in 40 mg per 3ml.
A.
How many mls should you administer per dose? Record your answer using 1 decimal place(s). 3.9 ml/dose
B.
How many mg/day is the patient receiving? Record your answer using 1 decimal place(s).
157.5 mg/day (Yes, this is outside the safe dose range for this medication.)
28. A 500 ml bag of D5W was hung at 4 pm today. The rate was 40 ml/hr. The time is now 10:30 pm and the bag contains 200 ml. Is the infusion
too fast, too slow, or just right
?
Too fast
29. A 1L bag of D5NS was hung at 1130 pm yesterday. The rate is 175ml/hr and the time is now 4 am. The bag contains 300ml. Is the infusion
too fast, too slow, or just right
?
Too slow
30. A bag of 0.9% NS is to run at 250 ml/hr. The drop factor labeled on the tubing is 15 gtt/ml. What is the correct drop rate in gtt/min? Record your answer using 0 decimal place(s).
63 gtt/min
31. A patient is addicted to nicotine and requires 560 mcg of nicotine per day. Each cigarette
provides 76 mcg of nicotine. If you can only take the patient outside twice a day. How many cigarettes does the patient need to smoke on each trip outside to meet his minimum requirements? Record your answer using 0 decimal place(s).
4 cigarettes per trip
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32. The MAR reads the patient is to receive 0.375 mg of Synthroid each morning at 0600. See packaging below. How many tablets do you administer? Record your answer using 1 decimal place(s).
2.5 tablets 33. You are working with a Baker Act patient that requires liquid medications. The doctor order 35 mg of Prozac daily. See image. How many ml do you administer? Record your
answer using 1 decimal place(s).
8.8 ml
34. A patient has just completed a paracentesis and the healthcare provider orders 50 grams of albumin to be administered over 40 minutes. Albumin comes 50 grams in 200 ml. How fast do you set the pump in ml/hr to complete the transfusion? Record your answer using 1 decimal place(s).
300 ml/hr
35. Someone walks up to you and says, “May the force be with you.” How do you respond? Record your answer using 0 decimal place(s).
And also with you. If you have completed all the math questions this semester, you are now a Math
Jedi
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