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NURS 100 MED MATH PRACTICE EXAM QUESTIONS AND ANSWERS- WALDEN UNIVERSITY
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NURS 100 MED MATH PRACTICE EXAM QUESTIONS AND ANSWERS- WALDEN UNIVERSITY
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Med Math Practice Answers1. A nurse is preparing to administer haloperidol (Haldol) 2 mg PO q12h.
The amount available is haloperidol 1 mg/tablet. How many tablets should
the nurse administer? (Round to nearest whole number) 2 mg X 1 tab =
2 tablets
1 mg
2. A nurse is preparing to administer furosemide (Lasix) 80 mg PO Daily.
The amount available is furosemide oral solution 40 mg/5 mL. How many
mL should the nurse administer? (Round to the nearest whole number). 80
mg X 5 mL = 10 mL
40 mg
3. The label reads heparin 20,000 units/mL. The order is for heparin
15,000 units q8h SQ. How many milliliters will the nurse administer to the
patient? (Round to the nearest tenth).
15,000 units X 1 mL = 0.75 mL = 0.8 mL
20,000 units
4. A nurse is preparing to administer amoxicillin (Amoxil) 20 mg/kg/day PO
divided in equal doses q12h to a preschool child who weighs 44 lbs. The
amount available is amoxicillin suspension 250 mg/5 mL. How many mL
should the nurse administer per dose? (Round to the nearest whole
number).
44 lbs = 20 kg 20 mg X 20 kg per day = 400 mg/day
2.2 lbs
400 mg = 200 mg/dose 200 mg X 5 mL = 4 mL
2 250 mg
5. A nurse is preparing to administer phenytoin (Dilantin) 0.2 g PO every 8
hr. The amount available is phenytoin 100 mg/capsule. How many capsules
should the nurse administer per dose? (Round to nearest whole number)
0.2 g X 1000 mg X 1 cap = 2 cap
1g 100 mg
6. The physician orders digoxin (Lanoxin) 250 mcg PO TID. The medication
digoxin is available in 0.25 mg/tablet. How many tablets should the nurse
administer?
250 mcg X __1 mg__ X 1 tab___ = 1 tab
1000 mcg 0.25 mg
7. The label reads heparin 10,000 units/mL. The order is for heparin 5,000 units q8h. How
many milliliters will you administer to the patient?
This study source was downloaded by 100000849435247 from CourseHero.com on 02-03-2023 06:14:07 GMT -06:00
https://www.coursehero.com/file/41136196/Med-Math-Practice-Answersdocx/
, 5,000 units X __1 mL____ = 0.5 mL
10,000 units
8. The nurse receives a telephone prescription from a provider. The
provider states “administer three-tenths of a milligram of nitroglycerin
orally to the client.” How should the nurse transcribe the number, “three-
tenths of a milligram” on the MAR?
__3__ = 0.3 mg
10
9. A nurse is preparing to administer amoxicillin 50 mg PO q8h to a toddler
who weighs 20 kg. The recommended dosage range is 20 to 25 mg/kg/day.
Which of the following actions by the nurse is appropriate?
20 mg X 20 kg = 400 mg/day
25 mg X 20 kg = 500 mg/day
50 mg q8h = 150 mg/day
d. Below the range, contact Provider
10. The nurse is preparing to administer furosemide (Lasix). The order is
for furosemide (Lasix) 2 mg IVP q8h. The label reads 10 mg/mL. How
many mL should the nurse administer?
2 mg X 1 mL_ = 0.2 mL
10 mg
11. The doctor orders 30 mg of furosemide (Lasix) IV STAT. The label on the
vial is 10 mg/mL. How many mL should the nurse administer?
30 mg X 1 mL_ = 3 mL
10 mg
12. A nurse is preparing to administer ibuprofen (Advil) to a child who has
rheumatoid arthritis. The order is for 250 mg PO q8h. Usual pediatric dose
is 20-30 mg/kg/day. Patient weighs 35 lbs. What is the lowest recommended
dosage per day? What is the highest recommended dosage per day? Is the
dosage ordered safe to give? (Round to nearest whole number)
Lowest = 318 mg/day
Highest = 477 mg/day
Unsafe dose (750 mg/day is outside of our range)
35 lbs X 1 kg = 15.9 kg 15.9 kg X 20 mg/day = 318 mg/day
2.2 lbs 1 kg
15.9 kg X 30 mg/day = 477 mg/day Order is 250 mg q8h
1 kg
This study source was downloaded by 100000849435247 from CourseHero.com on 02-03-2023 06:14:07 GMT -06:00
https://www.coursehero.com/file/41136196/Med-Math-Practice-Answersdocx/
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