Ati Mental Health Proctored Exam 3
Calculation
A nurse is preparing to administer lithium 300 mg PO every 8 hr. Available is lithium carbonate 150 mg capsules. How many capsules should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
capsules
Explanation & Rationale
150 mg is to 1 capsule as 300 mg is to x capsules So, 150/1 = 300/x Cross-multiplying: 150x = 300 Dividing both sides by 150: x = 2 Therefore, the nurse should administer 2 capsules per dose.
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