A doctor orders 0.1 mg Synthroid (levothyroxine); 50 mcg tablets are available. How many tablets per dose
should the nurse administer to this patient?
6 tablets
4 tablets
2 tablets
1 tablet
1 tablet
The Correct Answer is C
To determine the correct answer, we need to calculate the number of tablets per dose based on the prescribed dosage and the available tablet strength.
The doctor orders 0.1 mg of Synthroid (levothyroxine), and 50 mcg tablets are available.
First, we need to convert the prescribed dosage from milligrams (mg) to micrograms (mcg) to match the tablet strength:
0.1 mg = 100 mcg
Next, we need to calculate the number of tablets per dose:
Number of tablets per dose = Prescribed dosage / Tablet strength Number of tablets per dose = 100 mcg / 50 mcg
Number of tablets per dose = 2 tablets
Therefore, the correct answer is c. 2 tablets. The nurse should administer 2 tablets per dose to the patient to achieve the prescribed dosage of 0.1 mg.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
When calculating a pediatric dose from an adult dose, using the child's body surface area (BSA) is a more accurate method. BSA takes into account both the child's weight and height, which are important factors in determining the appropriate dose.
Body surface area can be calculated using various formulas, such as the Mosteller formula (BSA = √[height (cm) x weight (kg) / 3600]) or the Du Bois formula (BSA = 0.007184 x [height (cm)]^0.725 x [weight (kg)]^0.425).
By considering the child's BSA, the dose can be adjusted more precisely to account for differences in body composition and metabolic rate compared to adults. This helps to ensure that the child receives an appropriate and safe dosage.
Options b, c, and d (ideal body weight, actual body weight, actual body height) alone may not provide an accurate calculation for pediatric dosing, as they do not account for variations in body size and composition among children of different ages and developmental stages. BSA takes into consideration both weight and height, providing a more reliable basis for dose calculation in pediatrics.
Therefore, the accurate method for calculating the child's dose when confirming a pediatric dose from an
adult dose is to use body surface area (BSA).
Correct Answer is C
Explanation
A scored tablet has a line or groove that allows it to be easily split into two or more parts. A capsule can be opened and its contents can be mixed with food or liquid for administration. A lozenge is designed to dissolve slowly in the mouth. An unscored tablet, on the other hand, is not designed to be divided or crushed and should be administered whole.
A. A scored tablet is incorrect because it can be split into two or more parts.
B. A capsule is incorrect because it can be opened and its contents can be mixed with food or liquid for administration.
C. An unscored tablet is the correct answer.
D. A lozenge is incorrect because it is designed to dissolve slowly in the mouth.
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