Calculate the following dosage:
Order: Tegretol 200 mg p.o. t.i.d. Available: 100 mg tablets
How many tablets will you administer?
1 1/2 tablets
2 tablets
4 tablets
3 tablets
The Correct Answer is B
To solve this problem, we need to use the formula:
Desired dose / Available dose = Number of tablets
Plugging in the given values, we get:
200 mg / 100 mg = Number of tablets
2 = Number of tablets
Therefore, the correct dosage is 2 tablets.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
To solve this problem, we need to find the infusion rate in ml/min by dividing the volume of the solution by the duration of the infusion. In this case, the infusion rate is:
100 ml / 60 min = 1.67 ml/min
Then, we need to multiply the infusion rate by the drop factor to find the flow rate in gtt/min. The drop factor is given as 10 gtt/ml. Therefore, the flow rate is:
1.67 ml/min * 10 gtt/ml = 16.7 gtt/min
However, since we cannot administer partial drops, we need to round the answer to the nearest whole number. The closest whole number to 16.7 gtt/min is 17 gtt/min, so we round up. Therefore, the flow rate in gtt/min is 17 gtt/min.
Correct Answer is C
Explanation
Step 1: Identify the given information
- Ordered dose = 1.0 mg
- Available concentration = 0.4 mg per 1 mL
Step 2: Use the ratio and proportion method
Required dose ÷ Available concentration = Volume to administer
Step 3: Plug in the values
= (1.0 ÷ 0.4)
Step 4: Solve step by step
- 1.0 ÷ 0.4 = 2.5 mL
Step 5: Round to the nearest tenth
- 2.5 mL (already rounded)
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