ATI LPN
ATI LPN Pharmacology Exam Questions
Extract:
Question 1 of 5
Calculate the following dosage using ratio and proportions method. Round answers to the nearest tenth. Order: Tegretol 200 mg p.o.t.i.d. Available
Correct Answer: B
Rationale:
To calculate the dosage of Tegretol, use the formula: Desired dose/Available dose = X/1. Start with the desired dose of 200 mg and the available dose of 1 tablet. Cross-multiply to find X: 200/1 = X/200, X = 200. So, the patient needs 200 mg, which is equivalent to 1 tablet. Since the order is for 200 mg p.o.t.i.d (three times a day), the total daily dosage would be 3 tablets.
Therefore, the correct answer is B: 2 tabs.
Choice A is incorrect because it doesn't consider the frequency of administration.
Choice C is incorrect as it's less than the calculated dosage.
Choice D is incorrect as it's higher than the calculated dosage.
Question 2 of 5
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Question 3 of 5
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Question 4 of 5
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Question 5 of 5
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