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MCC Nursing Med Math, Study notes of Nursing

MCC Nursing 2020-2022 Med Math Practice

Typology: Study notes

2021/2022

Uploaded on 05/16/2025

alyssa-denning-rn
alyssa-denning-rn 🇺🇸

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Basic Medication Quiz Please Circle your final answer
1. Order: Infuse 100 mL/hr of LR IV.
Drop factor: 15 gtt/mL
Calculate the drops per minute
100mL x 15gtt / 60 min = 25gtt/min
2. Order: Tagamet 20 mg/kg/day PO divided into 4 equal doses.
Drug available: Tagamet syrup 150 mg/5 mL.
Child’s weight: 8 lb 8 oz
Calculate how many mL you should give per dose.
8lb 8 oz = (3.86kg)(20mg) = 77.2 / 4 equal doses= 19.3mg per dose
19.3mg/150mg x 5mL=0.64mL per dose
3. You need to run 250 mL of LR with 5 mu of PCN G over 30 min and do not have a pump. How many
drops per minute should you count with a drop factor of 20?
250mL x 20gtt / 30min = 167gtt/min
4.
Drug available: See label of Kefzol above.
In order to reconstitute the vial of Kefzol, how many milliliters
of diluent should you add to the vial of powder?
2.5 mL sterile water
5. Order: Kefzol 250 mg IM every 8 hours.
Drug available: See label of Kefzol above
After the Kefzol is reconstituted, calculate how many mLs of cefazolin should be given every 8 hours?
250mg / 1000mg x 3mL = 0.75mL q 8 hours OR 250mg / 330mg x 1mL = 0.75mL
KEFZOL
CEFAZOLIN FOR INJECTION
Equivalent to
Cefazolin
DOSAGE AND ADMINISTRATION
Intramuscular Administration-Reconstitute 1 g
vial by adding 2.5 Sterile Water for Injection.
Shake well to dissolve. Approximately 3 mL
available volume. Each mL contains 330 mg of
cefazolin. Usual Adult Dose- 250 mg-1 gram
every 6-8 hours.
1 g
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Basic Medication Quiz Please Circle your final answer

  1. Order: Infuse 100 mL/hr of LR IV. Drop factor: 15 gtt/mL Calculate the drops per minute 100mL x 15gtt / 60 min = 25gtt/min
  2. Order: Tagamet 20 mg/kg/day PO divided into 4 equal doses. Drug available: Tagamet syrup 150 mg/5 mL. Child’s weight: 8 lb 8 oz Calculate how many mL you should give per dose. 8lb 8 oz = (3.86kg)(20mg) = 77.2 / 4 equal doses= 19.3mg per dose 19.3mg/150mg x 5mL=0.64mL per dose
  3. You need to run 250 mL of LR with 5 mu of PCN G over 30 min and do not have a pump. How many drops per minute should you count with a drop factor of 20? 250mL x 20gtt / 30min = 167gtt/min
  4. Drug available: See label of Kefzol above. In order to reconstitute the vial of Kefzol, how many milliliters of diluent should you add to the vial of powder? 2.5 mL sterile water
  5. Order: Kefzol 250 mg IM every 8 hours. Drug available: See label of Kefzol above After the Kefzol is reconstituted, calculate how many mLs of cefazolin should be given every 8 hours? 250mg / 1000mg x 3mL = 0.75mL q 8 hours OR 250mg / 330mg x 1mL = 0.75mL

KEFZOL

CEFAZOLIN FOR INJECTION

Equivalent to

Cefazolin

DOSAGE AND ADMINISTRATION

Intramuscular Administration-Reconstitute 1 g vial by adding 2.5 Sterile Water for Injection. Shake well to dissolve. Approximately 3 mL available volume. Each mL contains 330 mg of cefazolin. Usual Adult Dose- 250 mg-1 gram every 6-8 hours.

1 g

  1. The doctor has ordered a sliding scale dosage your diabetic patient as below: Blood Sugar: Regular Insulin 0-180 0 units 180-200 2 units 200-220 4 units 220-240 6 units

    240 Call physician Doctor's order: AM dose: Humulin NPH 15 units and Humulin regular 5 units SC. The AM blood sugar is

  2. How much total insulin should be given? a. 20 units b. 26 units c. 24 units d. 22 units Bonus: List two things you would do to ensure patient safety prior to giving insulin. Double check insulin with 2 nurses: Have your patient tray in front of you BEFORE you give the dose!
  3. Patient is to have a heparin drip. Order is to start the infusion at 18 units/kg/hr. The patient weighs 198 lbs. The pharmacy has prepared a bag with 20,000 units of heparin in 500 mL of D5W. At what rate do you set the pump? (90kg)(18units)=1,620units/hr 1,620units per hr / 20,000units x 500mL = 40.5mL per hour
  4. An aminophylline drip contains 1g (1,000mg) in 500 mL D5W. The pump is delivering 20 mL/hr. How much aminophylline is the patient receiving per hour? 20mL per hour / 500mL x 1,000mg = 40mg/hr
  5. Order is for Dilantin 100 mg IV push now. On hand is Dilantin 250 mg/5mL. Drug reference states to administer IV Dilantin no faster than 50 mg/min. How many mLs do you administer? 100mg / 250mg x 5mL = 2mL How many minutes will it take to give the Dilantin safely? 100mg / 50mg per min = 2 min How many mLs will you give each minute? 2mL / 2min = 1mL/min
  6. Your order is for Vancomycin 1 gm IV q 12 hours. Drug reference states “Single dose properly diluted (concentration of no more then 5 mg/mL) at a rate not to exceed 10 mg/min or 60 minutes, whichever is longer”. Pharmacy provides Vancomycin 1 gm in 200 mL 0.9% sodium chloride. A. Over what duration should this medication be administered? 1,000mg/10mg per min = 100 min B. What is the proper pump setting? (mL/hr) 200mL / 100min x 60min = 120mL