A client is prescribed 250 mg of metformin. The pharmacy supplies 500 mg pre- scored tablets of metformin. How should the nurse administer the medication to the client?
Administer one half tablet
Administer two tablets
Administer one tablet
Administer one-and-a-half tablets
The Correct Answer is A
Administer one half tablet. To find the amount of tablets to administer, use the formula: (ordered dose / available dose). In this case, (250 mg / 500 mg) = 0.5 tablet. Since the tablet is pre-scored, it can be easily split in half.
Metformin is a medication that belongs to a class of drugs called biguanides. It is used to treat type 2 diabetes by lowering blood sugar levels and improving insulin sensitivity. Metformin works by reducing the amount of glucose produced by the liver and increasing the uptake of glucose by the muscles and other tissues.
Metformin can also help prevent or delay the onset of diabetes complications, such as heart disease and kidney damage.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The correct answer is choice B. 2 bottles. To find the number of bottles required, use the formula: (dose x duration) / (bottle size x tablet strength). In this case, (600 mg/day x 7 days) / (7 tablets/bottle x 300 mg/tablet) = 2 bottles.
Correct Answer is D
Explanation
The toddler is ordered to receive 25 mg/kg of Principen IV over 30 minutes. The toddler weighs 22 lb, which is equivalent to 10 kg. To calculate the total amount of Principen the toddler should receive, multiply the weight by the dosage:
10 kg x 25 mg/kg = 250 mg
The Principen dose arrives from the pharmacy prepared in 50 mL of IV solution, which means there is 250 mg of Principen in 50 mL of solution. To calculate how many milliliters per hour the nurse should administer, we can use the following formula:
50 mL / 0.5 hour = X mL per hour X = 100 mL per hour
Therefore, the nurse should administer 100 mL of Principen per hour to the toddler.
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