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NURS 1002-DOSAGE ASSIGNMENT EXAM QUESTIONS,ANSWERS WITH RATIONALE
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NURS 1002-DOSAGE ASSIGNMENT EXAMQUESTIONS,ANSWERS WITH RATIONALE
A client who has heart failure with paroxysmal atrial tachycardia is receiving
digoxin (Lanoxin) 0.45 mg IV as the inital digitalizing dose. The pharmacy
provides 0.25 mg/ml. How many ml should the nurse administer? (Enter numeric
value only. If rounding is required, round to the nearest tenth.)
Rationale
Using the formula D/H x Q = 0.45 mg/0.25 mg x 1 mL = 1.8 ml
Fill in the blank
An adult client with myasthenia gravis is receiving pyridostigmine (Mestinon) 126
mg PO every 4 hours. The drug is available as 60 mg in 5 ml syrup. How many ml
should the nurse administer? (If rounding is required, round to the nearest tenth.)
Rationale
Using the formula, Desired dose / dose on Hand x Quantity of volume on hand
(D/H x Q)
126 mg / 60 mg x 5 ml = 10.5 ml
Fill in the blank
A client who is complaining of nausea and vomiting postoperatively receives a
prescription for metoclopramide (Reglan) 10 mg IV. The medication is available
in vials containing 5 mg/ml. How many ml should the nurse administer? (Enter
numeric value only.)
Rationale
10 mg : X ml = 5 mg : 1 ml
5X = 10
X = 2 ml
Fill in the blank
A client with acute decompensated heart failure (HF) is to receive an IV infusion
of 0.9% normal saline with inamrinone (Inocor) 0.1 grams/100 ml at a rate of 8
mcg/kg/minute. The client' s current weight is 183 lbs. The nurse should program
,NURS 1002-DOSAGE ASSIGNMENT EXAM
QUESTIONS,ANSWERS WITH RATIONALE
the infusion pump to deliver how many ml/hour? (Enter numeric value only. If
rounding is required, round to the nearest whole number.)
Rationale
First convert the weight into kilograms: 183 pounds/2.2 kg = 83 kg
Next calculate the number of mcg/kg/minute: 8 x 83 = 664
mcg/min
Calculate the number of mcg/hour: 664 x 60 minutes = 39,840 mcg/hour
Now calculate the number of ml/hour needed to administer 39,840 mcg/hour:
100,000 mcg : 250 ml :: 39,840 mcg : X = 100,000/39,840 :: 250/X and 100,000X =
3,984,000
X = 39.84 (rounded to) 40 ml/hour
Fill in the blank
A client is receiving an IV solution of 2 grams of medication diluted in 100 ml of
normal saline over a one hour time period. How many mg of medication is the
client receiving per minute? (Enter numeric value only. If rounding is required,
round to the nearest whole number.)
Rationale
2 grams = 2000 mg
1 hour = 60 minutes
2000 mg/60 minutes = 33.333 mg/minute, rounded to 33 mg/minute
Fill in the blank
The nurse is preparing to administer vancomycin (Vancocin) 750 mg in 250 ml
of Dextrose 5% in Water (D5W) over 75 minutes. The secondary infusion pump
should be programmed to administer how many ml/hour? (Enter numeric value
only. If rounding is required, round to the nearest whole number.)
Rationale
250 ml of the antibiotic is to infuse over 75 minutes or 1.25 hours
250 ml divided by 1.25 hour equals = 200 ml/hour
Fill in the blank
, NURS 1002-DOSAGE ASSIGNMENT EXAM
QUESTIONS,ANSWERS WITH RATIONALE
A client with coronary artery disease receives a prescription for clopidogrel
(Plavix) 300 mg PO. The medication is available in 75 mg tablets. How many
tablets should the nurse administer? (Enter numeric value only.)
Rationale
Using the formula, Desired/Have: 300 mg/75 mg = 4 tablets
Fill in the blank
A client with multiple sclerosis and muscle spasms receives a prescription for
baclofen (Kemstro) 30 mg PO daily. The medication is supplied from the
pharmacy in 20 mg scored tablets. How many tablets should the nurse
administer? (Enter numeric value only. If rounding is required, round to the
nearest tenth.)
Rationale
Use ratio and proportion, 30 mg : X tablets = 20 mg : 1
tablet 20X = 30
X = 1.5
Fill in the blank
A client with Parkinson’s disease is receiving benztropine (Cogentin) 3.5 mg PO
twice daily. The medication is available in 0.5 mg tablets. How many tablets
should the nurse administer for each dose? (Enter numeric value only.)
Rationale
Using D/H: 3.5 mg / 0.5 mg = 7 tablets
Fill in the blank
The healthcare provider prescribes thiamine HCL 0.03 grams IM TID for a client
with beriberi. Thiamine is available for injection 100 mg/ml. The nurse should
prepare to administer how many ml? (Enter numeric value only. If rounding is
required, round to the nearest tenth.)
Rationale
Using the known conversion: 1 gram = 1000 mg as 0.03 gram = 30 mg
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